Merge "Bump default experimental from gnu++2a to gnu++2b." into main
diff --git a/OWNERS b/OWNERS
index e5374ed..58edc89 100644
--- a/OWNERS
+++ b/OWNERS
@@ -3,29 +3,13 @@
 # approving build related projects.
 
 # AMER
-agespino@google.com  #{LAST_RESORT_SUGGESTION}
 ccross@android.com
 colefaust@google.com
-cparsons@google.com  #{LAST_RESORT_SUGGESTION}
-dacek@google.com  #{LAST_RESORT_SUGGESTION}
-delmerico@google.com  #{LAST_RESORT_SUGGESTION}
 dwillemsen@google.com
-eakammer@google.com  #{LAST_RESORT_SUGGESTION}
 jihoonkang@google.com
-jobredeaux@google.com  #{LAST_RESORT_SUGGESTION}
 joeo@google.com
-juu@google.com  #{LAST_RESORT_SUGGESTION}
 lamontjones@google.com
 mrziwang@google.com
 spandandas@google.com
-tradical@google.com  #{LAST_RESORT_SUGGESTION}
-usta@google.com  #{LAST_RESORT_SUGGESTION}
-vinhdaitran@google.com  #{LAST_RESORT_SUGGESTION}
 weiwli@google.com
-yudiliu@google.com
-
-# APAC
-jingwen@google.com  #{LAST_RESORT_SUGGESTION}
-
-# EMEA
-lberki@google.com  #{LAST_RESORT_SUGGESTION}
+yudiliu@google.com
\ No newline at end of file
diff --git a/aconfig/Android.bp b/aconfig/Android.bp
index faa4ddb..04de919 100644
--- a/aconfig/Android.bp
+++ b/aconfig/Android.bp
@@ -12,28 +12,19 @@
         "soong",
         "soong-android",
         "soong-bazel",
-        "soong-android",
-        "soong-java",
-        "soong-rust",
     ],
     srcs: [
         "aconfig_declarations.go",
         "aconfig_values.go",
         "aconfig_value_set.go",
         "all_aconfig_declarations.go",
-        "cc_aconfig_library.go",
         "init.go",
-        "java_aconfig_library.go",
         "testing.go",
-        "rust_aconfig_library.go",
     ],
     testSrcs: [
         "aconfig_declarations_test.go",
         "aconfig_values_test.go",
         "aconfig_value_set_test.go",
-        "java_aconfig_library_test.go",
-        "cc_aconfig_library_test.go",
-        "rust_aconfig_library_test.go",
     ],
     pluginFor: ["soong_build"],
 }
diff --git a/aconfig/aconfig_declarations.go b/aconfig/aconfig_declarations.go
index 897f892..e662f1d 100644
--- a/aconfig/aconfig_declarations.go
+++ b/aconfig/aconfig_declarations.go
@@ -38,6 +38,9 @@
 
 		// Values from TARGET_RELEASE / RELEASE_ACONFIG_VALUE_SETS
 		Values []string `blueprint:"mutated"`
+
+		// Container(system/vendor/apex) that this module belongs to
+		Container string
 	}
 
 	intermediatePath android.WritablePath
@@ -69,6 +72,8 @@
 	if len(module.properties.Package) == 0 {
 		ctx.PropertyErrorf("package", "missing package property")
 	}
+	// TODO(b/311155208): Add mandatory check for container after all pre-existing
+	// ones are changed.
 
 	// Add a dependency on the aconfig_value_sets defined in
 	// RELEASE_ACONFIG_VALUE_SETS, and add any aconfig_values that
@@ -110,12 +115,21 @@
 }
 
 // Provider published by aconfig_value_set
-type declarationsProviderData struct {
+type DeclarationsProviderData struct {
 	Package          string
+	Container        string
 	IntermediatePath android.WritablePath
 }
 
-var declarationsProviderKey = blueprint.NewProvider(declarationsProviderData{})
+var DeclarationsProviderKey = blueprint.NewProvider(DeclarationsProviderData{})
+
+// This is used to collect the aconfig declarations info on the transitive closure,
+// the data is keyed on the container.
+type TransitiveDeclarationsInfo struct {
+	AconfigFiles map[string]*android.DepSet[android.Path]
+}
+
+var TransitiveDeclarationsInfoProvider = blueprint.NewProvider(TransitiveDeclarationsInfo{})
 
 func (module *DeclarationsModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	// Get the values that came from the global RELEASE_ACONFIG_VALUE_SETS flag
@@ -156,13 +170,49 @@
 		},
 	})
 
-	ctx.SetProvider(declarationsProviderKey, declarationsProviderData{
+	ctx.SetProvider(DeclarationsProviderKey, DeclarationsProviderData{
 		Package:          module.properties.Package,
+		Container:        module.properties.Container,
 		IntermediatePath: intermediatePath,
 	})
 
 }
 
+func CollectTransitiveAconfigFiles(ctx android.ModuleContext, transitiveAconfigFiles *map[string]*android.DepSet[android.Path]) {
+	if *transitiveAconfigFiles == nil {
+		*transitiveAconfigFiles = make(map[string]*android.DepSet[android.Path])
+	}
+	ctx.VisitDirectDeps(func(module android.Module) {
+		if dep := ctx.OtherModuleProvider(module, DeclarationsProviderKey).(DeclarationsProviderData); dep.IntermediatePath != nil {
+			aconfigMap := make(map[string]*android.DepSet[android.Path])
+			aconfigMap[dep.Container] = android.NewDepSet(android.POSTORDER, []android.Path{dep.IntermediatePath}, nil)
+			mergeTransitiveAconfigFiles(aconfigMap, *transitiveAconfigFiles)
+			return
+		}
+		if dep := ctx.OtherModuleProvider(module, TransitiveDeclarationsInfoProvider).(TransitiveDeclarationsInfo); len(dep.AconfigFiles) > 0 {
+			mergeTransitiveAconfigFiles(dep.AconfigFiles, *transitiveAconfigFiles)
+		}
+	})
+
+	ctx.SetProvider(TransitiveDeclarationsInfoProvider, TransitiveDeclarationsInfo{
+		AconfigFiles: *transitiveAconfigFiles,
+	})
+}
+
+func mergeTransitiveAconfigFiles(from, to map[string]*android.DepSet[android.Path]) {
+	for fromKey, fromValue := range from {
+		if fromValue == nil {
+			continue
+		}
+		toValue, ok := to[fromKey]
+		if !ok {
+			to[fromKey] = fromValue
+		} else {
+			to[fromKey] = android.NewDepSet(android.POSTORDER, toValue.ToList(), []*android.DepSet[android.Path]{fromValue})
+		}
+	}
+}
+
 type bazelAconfigDeclarationsAttributes struct {
 	Srcs    bazel.LabelListAttribute
 	Package string
diff --git a/aconfig/aconfig_declarations_test.go b/aconfig/aconfig_declarations_test.go
index e0d8f7d..e6bd87c 100644
--- a/aconfig/aconfig_declarations_test.go
+++ b/aconfig/aconfig_declarations_test.go
@@ -26,6 +26,7 @@
 		aconfig_declarations {
 			name: "module_name",
 			package: "com.example.package",
+			container: "com.android.foo",
 			srcs: [
 				"foo.aconfig",
 				"bar.aconfig",
@@ -37,8 +38,9 @@
 	module := result.ModuleForTests("module_name", "").Module().(*DeclarationsModule)
 
 	// Check that the provider has the right contents
-	depData := result.ModuleProvider(module, declarationsProviderKey).(declarationsProviderData)
+	depData := result.ModuleProvider(module, DeclarationsProviderKey).(DeclarationsProviderData)
 	android.AssertStringEquals(t, "package", depData.Package, "com.example.package")
+	android.AssertStringEquals(t, "container", depData.Container, "com.android.foo")
 	if !strings.HasSuffix(depData.IntermediatePath.String(), "/intermediate.pb") {
 		t.Errorf("Missing intermediates path in provider: %s", depData.IntermediatePath.String())
 	}
diff --git a/aconfig/all_aconfig_declarations.go b/aconfig/all_aconfig_declarations.go
index 6096c6c..7ccb81a 100644
--- a/aconfig/all_aconfig_declarations.go
+++ b/aconfig/all_aconfig_declarations.go
@@ -37,17 +37,17 @@
 	// Find all of the aconfig_declarations modules
 	var cacheFiles android.Paths
 	ctx.VisitAllModules(func(module android.Module) {
-		if !ctx.ModuleHasProvider(module, declarationsProviderKey) {
+		if !ctx.ModuleHasProvider(module, DeclarationsProviderKey) {
 			return
 		}
-		decl := ctx.ModuleProvider(module, declarationsProviderKey).(declarationsProviderData)
+		decl := ctx.ModuleProvider(module, DeclarationsProviderKey).(DeclarationsProviderData)
 		cacheFiles = append(cacheFiles, decl.IntermediatePath)
 	})
 
 	// Generate build action for aconfig
 	this.intermediatePath = android.PathForIntermediates(ctx, "all_aconfig_declarations.pb")
 	ctx.Build(pctx, android.BuildParams{
-		Rule:        allDeclarationsRule,
+		Rule:        AllDeclarationsRule,
 		Inputs:      cacheFiles,
 		Output:      this.intermediatePath,
 		Description: "all_aconfig_declarations",
diff --git a/aconfig/codegen/Android.bp b/aconfig/codegen/Android.bp
new file mode 100644
index 0000000..494f7e6
--- /dev/null
+++ b/aconfig/codegen/Android.bp
@@ -0,0 +1,32 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+bootstrap_go_package {
+    name: "soong-aconfig-codegen",
+    pkgPath: "android/soong/aconfig/codegen",
+    deps: [
+        "blueprint",
+        "blueprint-pathtools",
+        "sbox_proto",
+        "soong",
+        "soong-aconfig",
+        "soong-android",
+        "soong-bazel",
+        "soong-java",
+        "soong-rust",
+    ],
+    srcs: [
+        "cc_aconfig_library.go",
+        "init.go",
+        "java_aconfig_library.go",
+        "rust_aconfig_library.go",
+        "testing.go",
+    ],
+    testSrcs: [
+        "java_aconfig_library_test.go",
+        "cc_aconfig_library_test.go",
+        "rust_aconfig_library_test.go",
+    ],
+    pluginFor: ["soong_build"],
+}
diff --git a/aconfig/cc_aconfig_library.go b/aconfig/codegen/cc_aconfig_library.go
similarity index 91%
rename from aconfig/cc_aconfig_library.go
rename to aconfig/codegen/cc_aconfig_library.go
index 8aa696b..7b68844 100644
--- a/aconfig/cc_aconfig_library.go
+++ b/aconfig/codegen/cc_aconfig_library.go
@@ -12,9 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package aconfig
+package codegen
 
 import (
+	"android/soong/aconfig"
 	"android/soong/android"
 	"android/soong/bazel"
 	"android/soong/cc"
@@ -38,10 +39,6 @@
 	// name of the aconfig_declarations module to generate a library for
 	Aconfig_declarations string
 
-	// whether to generate test mode version of the library
-	// TODO: remove "Test" property when "Mode" can be used in all the branches
-	Test *bool
-
 	// default mode is "production", the other accepted modes are:
 	// "test": to generate test mode version of the library
 	// "exported": to generate exported mode version of the library
@@ -96,7 +93,7 @@
 	if len(declarationsModules) != 1 {
 		panic(fmt.Errorf("Exactly one aconfig_declarations property required"))
 	}
-	declarations := ctx.OtherModuleProvider(declarationsModules[0], declarationsProviderKey).(declarationsProviderData)
+	declarations := ctx.OtherModuleProvider(declarationsModules[0], aconfig.DeclarationsProviderKey).(aconfig.DeclarationsProviderData)
 
 	// Figure out the generated file paths.  This has to match aconfig's codegen_cpp.rs.
 	this.generatedDir = android.PathForModuleGen(ctx)
@@ -126,19 +123,13 @@
 	if len(declarationsModules) != 1 {
 		panic(fmt.Errorf("Exactly one aconfig_declarations property required"))
 	}
-	declarations := ctx.OtherModuleProvider(declarationsModules[0], declarationsProviderKey).(declarationsProviderData)
+	declarations := ctx.OtherModuleProvider(declarationsModules[0], aconfig.DeclarationsProviderKey).(aconfig.DeclarationsProviderData)
 
-	if this.properties.Mode != nil && this.properties.Test != nil {
-		ctx.PropertyErrorf("test", "test prop should not be specified when mode prop is set")
-	}
 	mode := proptools.StringDefault(this.properties.Mode, "production")
 	if !isModeSupported(mode) {
 		ctx.PropertyErrorf("mode", "%q is not a supported mode", mode)
 	}
-	// TODO: remove "Test" property
-	if proptools.Bool(this.properties.Test) {
-		mode = "test"
-	}
+
 	ctx.Build(pctx, android.BuildParams{
 		Rule:  cppRule,
 		Input: declarations.IntermediatePath,
diff --git a/aconfig/cc_aconfig_library_test.go b/aconfig/codegen/cc_aconfig_library_test.go
similarity index 94%
rename from aconfig/cc_aconfig_library_test.go
rename to aconfig/codegen/cc_aconfig_library_test.go
index 9a819e5..0c8a969 100644
--- a/aconfig/cc_aconfig_library_test.go
+++ b/aconfig/codegen/cc_aconfig_library_test.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package aconfig
+package codegen
 
 import (
 	"fmt"
@@ -71,8 +71,6 @@
 	setting, expectedErr string
 }{
 	{"mode: `unsupported`,", "mode: \"unsupported\" is not a supported mode"},
-	// TODO: remove this test case when test prop is removed
-	{"mode: `test`, test: true", "test prop should not be specified when mode prop is set"},
 }
 
 func TestIncorrectCCCodegenMode(t *testing.T) {
diff --git a/aconfig/codegen/init.go b/aconfig/codegen/init.go
new file mode 100644
index 0000000..0bff9d2
--- /dev/null
+++ b/aconfig/codegen/init.go
@@ -0,0 +1,83 @@
+// Copyright 2023 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package codegen
+
+import (
+	"android/soong/android"
+
+	"github.com/google/blueprint"
+)
+
+var (
+	pctx = android.NewPackageContext("android/soong/aconfig/codegen")
+
+	// For java_aconfig_library: Generate java library
+	javaRule = pctx.AndroidStaticRule("java_aconfig_library",
+		blueprint.RuleParams{
+			Command: `rm -rf ${out}.tmp` +
+				` && mkdir -p ${out}.tmp` +
+				` && ${aconfig} create-java-lib` +
+				`    --mode ${mode}` +
+				`    --cache ${in}` +
+				`    --out ${out}.tmp` +
+				` && $soong_zip -write_if_changed -jar -o ${out} -C ${out}.tmp -D ${out}.tmp` +
+				` && rm -rf ${out}.tmp`,
+			CommandDeps: []string{
+				"$aconfig",
+				"$soong_zip",
+			},
+			Restat: true,
+		}, "mode")
+
+	// For cc_aconfig_library: Generate C++ library
+	cppRule = pctx.AndroidStaticRule("cc_aconfig_library",
+		blueprint.RuleParams{
+			Command: `rm -rf ${gendir}` +
+				` && mkdir -p ${gendir}` +
+				` && ${aconfig} create-cpp-lib` +
+				`    --mode ${mode}` +
+				`    --cache ${in}` +
+				`    --out ${gendir}`,
+			CommandDeps: []string{
+				"$aconfig",
+			},
+		}, "gendir", "mode")
+
+	// For rust_aconfig_library: Generate Rust library
+	rustRule = pctx.AndroidStaticRule("rust_aconfig_library",
+		blueprint.RuleParams{
+			Command: `rm -rf ${gendir}` +
+				` && mkdir -p ${gendir}` +
+				` && ${aconfig} create-rust-lib` +
+				`    --mode ${mode}` +
+				`    --cache ${in}` +
+				`    --out ${gendir}`,
+			CommandDeps: []string{
+				"$aconfig",
+			},
+		}, "gendir", "mode")
+)
+
+func init() {
+	RegisterBuildComponents(android.InitRegistrationContext)
+	pctx.HostBinToolVariable("aconfig", "aconfig")
+	pctx.HostBinToolVariable("soong_zip", "soong_zip")
+}
+
+func RegisterBuildComponents(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("cc_aconfig_library", CcAconfigLibraryFactory)
+	ctx.RegisterModuleType("java_aconfig_library", JavaDeclarationsLibraryFactory)
+	ctx.RegisterModuleType("rust_aconfig_library", RustAconfigLibraryFactory)
+}
diff --git a/aconfig/java_aconfig_library.go b/aconfig/codegen/java_aconfig_library.go
similarity index 88%
rename from aconfig/java_aconfig_library.go
rename to aconfig/codegen/java_aconfig_library.go
index b6c90fc..e2fb15b 100644
--- a/aconfig/java_aconfig_library.go
+++ b/aconfig/codegen/java_aconfig_library.go
@@ -12,11 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package aconfig
+package codegen
 
 import (
 	"fmt"
 
+	"android/soong/aconfig"
 	"android/soong/android"
 	"android/soong/bazel"
 	"android/soong/java"
@@ -36,10 +37,6 @@
 	// name of the aconfig_declarations module to generate a library for
 	Aconfig_declarations string
 
-	// whether to generate test mode version of the library
-	// TODO: remove "Test" property when "Mode" can be used in all the branches
-	Test *bool
-
 	// default mode is "production", the other accepted modes are:
 	// "test": to generate test mode version of the library
 	// "exported": to generate exported mode version of the library
@@ -77,22 +74,15 @@
 	if len(declarationsModules) != 1 {
 		panic(fmt.Errorf("Exactly one aconfig_declarations property required"))
 	}
-	declarations := ctx.OtherModuleProvider(declarationsModules[0], declarationsProviderKey).(declarationsProviderData)
+	declarations := ctx.OtherModuleProvider(declarationsModules[0], aconfig.DeclarationsProviderKey).(aconfig.DeclarationsProviderData)
 
 	// Generate the action to build the srcjar
 	srcJarPath := android.PathForModuleGen(ctx, ctx.ModuleName()+".srcjar")
 
-	if callbacks.properties.Mode != nil && callbacks.properties.Test != nil {
-		ctx.PropertyErrorf("test", "test prop should not be specified when mode prop is set")
-	}
 	mode := proptools.StringDefault(callbacks.properties.Mode, "production")
 	if !isModeSupported(mode) {
 		ctx.PropertyErrorf("mode", "%q is not a supported mode", mode)
 	}
-	// TODO: remove "Test" property
-	if proptools.Bool(callbacks.properties.Test) {
-		mode = "test"
-	}
 
 	ctx.Build(pctx, android.BuildParams{
 		Rule:        javaRule,
@@ -104,10 +94,6 @@
 		},
 	})
 
-	// Tell the java module about the .aconfig files, so they can be propagated up the dependency chain.
-	// TODO: It would be nice to have that propagation code here instead of on java.Module and java.JavaInfo.
-	module.AddAconfigIntermediate(declarations.IntermediatePath)
-
 	return srcJarPath
 }
 
diff --git a/aconfig/java_aconfig_library_test.go b/aconfig/codegen/java_aconfig_library_test.go
similarity index 82%
rename from aconfig/java_aconfig_library_test.go
rename to aconfig/codegen/java_aconfig_library_test.go
index 05532e7..cbfdc21 100644
--- a/aconfig/java_aconfig_library_test.go
+++ b/aconfig/codegen/java_aconfig_library_test.go
@@ -12,11 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package aconfig
+package codegen
 
 import (
 	"fmt"
-	"strings"
 	"testing"
 
 	"android/soong/android"
@@ -34,14 +33,25 @@
 		ExtendWithErrorHandler(android.FixtureExpectsNoErrors).
 		RunTestWithBp(t, bp+`
 			aconfig_declarations {
-				name: "my_aconfig_declarations",
+				name: "my_aconfig_declarations_foo",
 				package: "com.example.package",
 				srcs: ["foo.aconfig"],
 			}
 
 			java_aconfig_library {
-				name: "my_java_aconfig_library",
-				aconfig_declarations: "my_aconfig_declarations",
+				name: "my_java_aconfig_library_foo",
+				aconfig_declarations: "my_aconfig_declarations_foo",
+			}
+
+			aconfig_declarations {
+				name: "my_aconfig_declarations_bar",
+				package: "com.example.package",
+				srcs: ["bar.aconfig"],
+			}
+
+			java_aconfig_library {
+				name: "my_java_aconfig_library_bar",
+				aconfig_declarations: "my_aconfig_declarations_bar",
 			}
 		`)
 
@@ -50,10 +60,9 @@
 	entry := android.AndroidMkEntriesForTest(t, result.TestContext, module)[0]
 
 	makeVar := entry.EntryMap["LOCAL_ACONFIG_FILES"]
-	android.AssertIntEquals(t, "len(LOCAL_ACONFIG_FILES)", 1, len(makeVar))
-	if !strings.HasSuffix(makeVar[0], "intermediate.pb") {
-		t.Errorf("LOCAL_ACONFIG_FILES should end with /intermediates.pb, instead it is: %s", makeVar[0])
-	}
+	android.AssertIntEquals(t, "len(LOCAL_ACONFIG_FILES)", 2, len(makeVar))
+	android.EnsureListContainsSuffix(t, makeVar, "my_aconfig_declarations_foo/intermediate.pb")
+	android.EnsureListContainsSuffix(t, makeVar, "my_aconfig_declarations_bar/intermediate.pb")
 }
 
 func TestAndroidMkJavaLibrary(t *testing.T) {
@@ -64,7 +73,8 @@
 				"src/foo.java",
 			],
 			static_libs: [
-				"my_java_aconfig_library",
+				"my_java_aconfig_library_foo",
+				"my_java_aconfig_library_bar",
 			],
 			platform_apis: true,
 		}
@@ -81,7 +91,8 @@
 				"src/foo.java",
 			],
 			static_libs: [
-				"my_java_aconfig_library",
+				"my_java_aconfig_library_foo",
+				"my_java_aconfig_library_bar",
 			],
 			platform_apis: true,
 		}
@@ -98,7 +109,8 @@
 				"src/foo.java",
 			],
 			static_libs: [
-				"my_java_aconfig_library",
+				"my_java_aconfig_library_foo",
+				"my_java_aconfig_library_bar",
 			],
 			platform_apis: true,
 			main_class: "foo",
@@ -116,7 +128,8 @@
 				"src/foo.java",
 			],
 			static_libs: [
-				"my_java_aconfig_library",
+				"my_java_aconfig_library_foo",
+				"my_java_aconfig_library_bar",
 			],
 			platform_apis: true,
 		}
@@ -134,7 +147,8 @@
 				"src/foo.java",
 			],
 			static_libs: [
-				"my_java_aconfig_library",
+				"my_java_aconfig_library_foo",
+				"my_java_aconfig_library_bar",
 			],
 			platform_apis: true,
 		}
@@ -217,9 +231,3 @@
 func TestUnsupportedMode(t *testing.T) {
 	testCodegenModeWithError(t, "mode: `unsupported`,", "mode: \"unsupported\" is not a supported mode")
 }
-
-// TODO: remove this test case when test prop is removed
-func TestBothModeAndTestAreSet(t *testing.T) {
-	testCodegenModeWithError(t, "mode: `test`, test: true",
-		"test prop should not be specified when mode prop is set")
-}
diff --git a/aconfig/rust_aconfig_library.go b/aconfig/codegen/rust_aconfig_library.go
similarity index 86%
rename from aconfig/rust_aconfig_library.go
rename to aconfig/codegen/rust_aconfig_library.go
index 43078b6..3525de1 100644
--- a/aconfig/rust_aconfig_library.go
+++ b/aconfig/codegen/rust_aconfig_library.go
@@ -1,8 +1,9 @@
-package aconfig
+package codegen
 
 import (
 	"fmt"
 
+	"android/soong/aconfig"
 	"android/soong/android"
 	"android/soong/rust"
 
@@ -20,10 +21,6 @@
 	// name of the aconfig_declarations module to generate a library for
 	Aconfig_declarations string
 
-	// whether to generate test mode version of the library
-	// TODO: remove "Test" property when "Mode" can be used in all the branches
-	Test *bool
-
 	// default mode is "production", the other accepted modes are:
 	// "test": to generate test mode version of the library
 	// "exported": to generate exported mode version of the library
@@ -68,21 +65,13 @@
 	if len(declarationsModules) != 1 {
 		panic(fmt.Errorf("Exactly one aconfig_declarations property required"))
 	}
-	declarations := ctx.OtherModuleProvider(declarationsModules[0], declarationsProviderKey).(declarationsProviderData)
+	declarations := ctx.OtherModuleProvider(declarationsModules[0], aconfig.DeclarationsProviderKey).(aconfig.DeclarationsProviderData)
 
-	if a.Properties.Mode != nil && a.Properties.Test != nil {
-		ctx.PropertyErrorf("test", "test prop should not be specified when mode prop is set")
-	}
 	mode := proptools.StringDefault(a.Properties.Mode, "production")
 	if !isModeSupported(mode) {
 		ctx.PropertyErrorf("mode", "%q is not a supported mode", mode)
 	}
 
-	// TODO: remove "Test" property
-	if proptools.Bool(a.Properties.Test) {
-		mode = "test"
-	}
-
 	ctx.Build(pctx, android.BuildParams{
 		Rule:  rustRule,
 		Input: declarations.IntermediatePath,
diff --git a/aconfig/rust_aconfig_library_test.go b/aconfig/codegen/rust_aconfig_library_test.go
similarity index 96%
rename from aconfig/rust_aconfig_library_test.go
rename to aconfig/codegen/rust_aconfig_library_test.go
index 5e630b5..c09f701 100644
--- a/aconfig/rust_aconfig_library_test.go
+++ b/aconfig/codegen/rust_aconfig_library_test.go
@@ -1,4 +1,4 @@
-package aconfig
+package codegen
 
 import (
 	"fmt"
@@ -119,8 +119,6 @@
 	setting, expectedErr string
 }{
 	{"mode: `unsupported`,", "mode: \"unsupported\" is not a supported mode"},
-	// TODO: remove this test case when test prop is removed
-	{"mode: `test`, test: true", "test prop should not be specified when mode prop is set"},
 }
 
 func TestIncorrectRustCodegenMode(t *testing.T) {
diff --git a/aconfig/codegen/testing.go b/aconfig/codegen/testing.go
new file mode 100644
index 0000000..3e1c22e
--- /dev/null
+++ b/aconfig/codegen/testing.go
@@ -0,0 +1,25 @@
+// Copyright (C) 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package codegen
+
+import (
+	"android/soong/aconfig"
+	"android/soong/android"
+)
+
+var PrepareForTestWithAconfigBuildComponents = android.FixtureRegisterWithContext(func(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("aconfig_declarations", aconfig.DeclarationsFactory)
+	RegisterBuildComponents(ctx)
+})
diff --git a/aconfig/init.go b/aconfig/init.go
index 3d62714..79bf002 100644
--- a/aconfig/init.go
+++ b/aconfig/init.go
@@ -40,55 +40,8 @@
 			Restat: true,
 		}, "release_version", "package", "declarations", "values", "default-permission")
 
-	// For java_aconfig_library: Generate java file
-	javaRule = pctx.AndroidStaticRule("java_aconfig_library",
-		blueprint.RuleParams{
-			Command: `rm -rf ${out}.tmp` +
-				` && mkdir -p ${out}.tmp` +
-				` && ${aconfig} create-java-lib` +
-				`    --mode ${mode}` +
-				`    --cache ${in}` +
-				`    --out ${out}.tmp` +
-				` && $soong_zip -write_if_changed -jar -o ${out} -C ${out}.tmp -D ${out}.tmp` +
-				` && rm -rf ${out}.tmp`,
-			CommandDeps: []string{
-				"$aconfig",
-				"$soong_zip",
-			},
-			Restat: true,
-		}, "mode")
-
-	// For java_aconfig_library: Generate java file
-	cppRule = pctx.AndroidStaticRule("cc_aconfig_library",
-		blueprint.RuleParams{
-			Command: `rm -rf ${gendir}` +
-				` && mkdir -p ${gendir}` +
-				` && ${aconfig} create-cpp-lib` +
-				`    --mode ${mode}` +
-				`    --cache ${in}` +
-				`    --out ${gendir}`,
-			CommandDeps: []string{
-				"$aconfig",
-				"$soong_zip",
-			},
-		}, "gendir", "mode")
-
-	rustRule = pctx.AndroidStaticRule("rust_aconfig_library",
-		blueprint.RuleParams{
-			Command: `rm -rf ${gendir}` +
-				` && mkdir -p ${gendir}` +
-				` && ${aconfig} create-rust-lib` +
-				`    --mode ${mode}` +
-				`    --cache ${in}` +
-				`    --out ${gendir}`,
-			CommandDeps: []string{
-				"$aconfig",
-				"$soong_zip",
-			},
-		}, "gendir", "mode")
-
-	// For all_aconfig_declarations
-	allDeclarationsRule = pctx.AndroidStaticRule("all_aconfig_declarations_dump",
+	// For all_aconfig_declarations: Combine all parsed_flags proto files
+	AllDeclarationsRule = pctx.AndroidStaticRule("All_aconfig_declarations_dump",
 		blueprint.RuleParams{
 			Command: `${aconfig} dump --format protobuf --out ${out} ${cache_files}`,
 			CommandDeps: []string{
@@ -107,8 +60,5 @@
 	ctx.RegisterModuleType("aconfig_declarations", DeclarationsFactory)
 	ctx.RegisterModuleType("aconfig_values", ValuesFactory)
 	ctx.RegisterModuleType("aconfig_value_set", ValueSetFactory)
-	ctx.RegisterModuleType("cc_aconfig_library", CcAconfigLibraryFactory)
-	ctx.RegisterModuleType("java_aconfig_library", JavaDeclarationsLibraryFactory)
-	ctx.RegisterModuleType("rust_aconfig_library", RustAconfigLibraryFactory)
 	ctx.RegisterParallelSingletonType("all_aconfig_declarations", AllAconfigDeclarationsFactory)
 }
diff --git a/android/Android.bp b/android/Android.bp
index 7fbba43..62f534c 100644
--- a/android/Android.bp
+++ b/android/Android.bp
@@ -37,6 +37,7 @@
         "api_levels.go",
         "arch.go",
         "arch_list.go",
+        "base_module_context.go",
         "bazel.go",
         "bazel_handler.go",
         "bazel_paths.go",
@@ -51,6 +52,7 @@
         "defs.go",
         "depset_generic.go",
         "deptag.go",
+        "early_module_context.go",
         "expand.go",
         "filegroup.go",
         "fixture.go",
@@ -65,6 +67,7 @@
         "makevars.go",
         "metrics.go",
         "module.go",
+        "module_context.go",
         "mutator.go",
         "namespace.go",
         "neverallow.go",
diff --git a/android/androidmk.go b/android/androidmk.go
index 62f82f2..f6e8799 100644
--- a/android/androidmk.go
+++ b/android/androidmk.go
@@ -486,17 +486,6 @@
 	return generateDistContributionsForMake(distContributions)
 }
 
-// Write the license variables to Make for AndroidMkData.Custom(..) methods that do not call WriteAndroidMkData(..)
-// It's required to propagate the license metadata even for module types that have non-standard interfaces to Make.
-func (a *AndroidMkEntries) WriteLicenseVariables(w io.Writer) {
-	AndroidMkEmitAssignList(w, "LOCAL_LICENSE_KINDS", a.EntryMap["LOCAL_LICENSE_KINDS"])
-	AndroidMkEmitAssignList(w, "LOCAL_LICENSE_CONDITIONS", a.EntryMap["LOCAL_LICENSE_CONDITIONS"])
-	AndroidMkEmitAssignList(w, "LOCAL_NOTICE_FILE", a.EntryMap["LOCAL_NOTICE_FILE"])
-	if pn, ok := a.EntryMap["LOCAL_LICENSE_PACKAGE_NAME"]; ok {
-		AndroidMkEmitAssignList(w, "LOCAL_LICENSE_PACKAGE_NAME", pn)
-	}
-}
-
 // fillInEntries goes through the common variable processing and calls the extra data funcs to
 // generate and fill in AndroidMkEntries's in-struct data, ready to be flushed to a file.
 type fillInEntriesContext interface {
@@ -534,15 +523,6 @@
 	// Collect make variable assignment entries.
 	a.SetString("LOCAL_PATH", ctx.ModuleDir(mod))
 	a.SetString("LOCAL_MODULE", name+a.SubName)
-	a.AddStrings("LOCAL_LICENSE_KINDS", base.commonProperties.Effective_license_kinds...)
-	a.AddStrings("LOCAL_LICENSE_CONDITIONS", base.commonProperties.Effective_license_conditions...)
-	a.AddStrings("LOCAL_NOTICE_FILE", base.commonProperties.Effective_license_text.Strings()...)
-	// TODO(b/151177513): Does this code need to set LOCAL_MODULE_IS_CONTAINER ?
-	if base.commonProperties.Effective_package_name != nil {
-		a.SetString("LOCAL_LICENSE_PACKAGE_NAME", *base.commonProperties.Effective_package_name)
-	} else if len(base.commonProperties.Effective_licenses) > 0 {
-		a.SetString("LOCAL_LICENSE_PACKAGE_NAME", strings.Join(base.commonProperties.Effective_licenses, " "))
-	}
 	a.SetString("LOCAL_MODULE_CLASS", a.Class)
 	a.SetString("LOCAL_PREBUILT_MODULE_FILE", a.OutputFile.String())
 	a.AddStrings("LOCAL_REQUIRED_MODULES", a.Required...)
diff --git a/android/apex_contributions.go b/android/apex_contributions.go
index 6eaca8b..9b188de 100644
--- a/android/apex_contributions.go
+++ b/android/apex_contributions.go
@@ -98,7 +98,7 @@
 func (a *allApexContributions) SetPrebuiltSelectionInfoProvider(ctx BaseModuleContext) {
 	addContentsToProvider := func(p *PrebuiltSelectionInfoMap, m *apexContributions) {
 		for _, content := range m.Contents() {
-			if !ctx.OtherModuleExists(content) {
+			if !ctx.OtherModuleExists(content) && !ctx.Config().AllowMissingDependencies() {
 				ctx.ModuleErrorf("%s listed in apex_contributions %s does not exist\n", content, m.Name())
 			}
 			pi := &PrebuiltSelectionInfo{
diff --git a/android/base_module_context.go b/android/base_module_context.go
new file mode 100644
index 0000000..ec9c888
--- /dev/null
+++ b/android/base_module_context.go
@@ -0,0 +1,656 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package android
+
+import (
+	"fmt"
+	"github.com/google/blueprint"
+	"regexp"
+	"strings"
+)
+
+// BaseModuleContext is the same as blueprint.BaseModuleContext except that Config() returns
+// a Config instead of an interface{}, and some methods have been wrapped to use an android.Module
+// instead of a blueprint.Module, plus some extra methods that return Android-specific information
+// about the current module.
+type BaseModuleContext interface {
+	EarlyModuleContext
+
+	blueprintBaseModuleContext() blueprint.BaseModuleContext
+
+	// OtherModuleName returns the name of another Module.  See BaseModuleContext.ModuleName for more information.
+	// It is intended for use inside the visit functions of Visit* and WalkDeps.
+	OtherModuleName(m blueprint.Module) string
+
+	// OtherModuleDir returns the directory of another Module.  See BaseModuleContext.ModuleDir for more information.
+	// It is intended for use inside the visit functions of Visit* and WalkDeps.
+	OtherModuleDir(m blueprint.Module) string
+
+	// OtherModuleErrorf reports an error on another Module.  See BaseModuleContext.ModuleErrorf for more information.
+	// It is intended for use inside the visit functions of Visit* and WalkDeps.
+	OtherModuleErrorf(m blueprint.Module, fmt string, args ...interface{})
+
+	// OtherModuleDependencyTag returns the dependency tag used to depend on a module, or nil if there is no dependency
+	// on the module.  When called inside a Visit* method with current module being visited, and there are multiple
+	// dependencies on the module being visited, it returns the dependency tag used for the current dependency.
+	OtherModuleDependencyTag(m blueprint.Module) blueprint.DependencyTag
+
+	// OtherModuleExists returns true if a module with the specified name exists, as determined by the NameInterface
+	// passed to Context.SetNameInterface, or SimpleNameInterface if it was not called.
+	OtherModuleExists(name string) bool
+
+	// OtherModuleDependencyVariantExists returns true if a module with the
+	// specified name and variant exists. The variant must match the given
+	// variations. It must also match all the non-local variations of the current
+	// module. In other words, it checks for the module that AddVariationDependencies
+	// would add a dependency on with the same arguments.
+	OtherModuleDependencyVariantExists(variations []blueprint.Variation, name string) bool
+
+	// OtherModuleFarDependencyVariantExists returns true if a module with the
+	// specified name and variant exists. The variant must match the given
+	// variations, but not the non-local variations of the current module. In
+	// other words, it checks for the module that AddFarVariationDependencies
+	// would add a dependency on with the same arguments.
+	OtherModuleFarDependencyVariantExists(variations []blueprint.Variation, name string) bool
+
+	// OtherModuleReverseDependencyVariantExists returns true if a module with the
+	// specified name exists with the same variations as the current module. In
+	// other words, it checks for the module that AddReverseDependency would add a
+	// dependency on with the same argument.
+	OtherModuleReverseDependencyVariantExists(name string) bool
+
+	// OtherModuleType returns the type of another Module.  See BaseModuleContext.ModuleType for more information.
+	// It is intended for use inside the visit functions of Visit* and WalkDeps.
+	OtherModuleType(m blueprint.Module) string
+
+	// OtherModuleProvider returns the value for a provider for the given module.  If the value is
+	// not set it returns the zero value of the type of the provider, so the return value can always
+	// be type asserted to the type of the provider.  The value returned may be a deep copy of the
+	// value originally passed to SetProvider.
+	OtherModuleProvider(m blueprint.Module, provider blueprint.ProviderKey) interface{}
+
+	// OtherModuleHasProvider returns true if the provider for the given module has been set.
+	OtherModuleHasProvider(m blueprint.Module, provider blueprint.ProviderKey) bool
+
+	// Provider returns the value for a provider for the current module.  If the value is
+	// not set it returns the zero value of the type of the provider, so the return value can always
+	// be type asserted to the type of the provider.  It panics if called before the appropriate
+	// mutator or GenerateBuildActions pass for the provider.  The value returned may be a deep
+	// copy of the value originally passed to SetProvider.
+	Provider(provider blueprint.ProviderKey) interface{}
+
+	// HasProvider returns true if the provider for the current module has been set.
+	HasProvider(provider blueprint.ProviderKey) bool
+
+	// SetProvider sets the value for a provider for the current module.  It panics if not called
+	// during the appropriate mutator or GenerateBuildActions pass for the provider, if the value
+	// is not of the appropriate type, or if the value has already been set.  The value should not
+	// be modified after being passed to SetProvider.
+	SetProvider(provider blueprint.ProviderKey, value interface{})
+
+	GetDirectDepsWithTag(tag blueprint.DependencyTag) []Module
+
+	// GetDirectDepWithTag returns the Module the direct dependency with the specified name, or nil if
+	// none exists.  It panics if the dependency does not have the specified tag.  It skips any
+	// dependencies that are not an android.Module.
+	GetDirectDepWithTag(name string, tag blueprint.DependencyTag) blueprint.Module
+
+	// GetDirectDep returns the Module and DependencyTag for the  direct dependency with the specified
+	// name, or nil if none exists.  If there are multiple dependencies on the same module it returns
+	// the first DependencyTag.
+	GetDirectDep(name string) (blueprint.Module, blueprint.DependencyTag)
+
+	ModuleFromName(name string) (blueprint.Module, bool)
+
+	// VisitDirectDepsBlueprint calls visit for each direct dependency.  If there are multiple
+	// direct dependencies on the same module visit will be called multiple times on that module
+	// and OtherModuleDependencyTag will return a different tag for each.
+	//
+	// The Module passed to the visit function should not be retained outside of the visit
+	// function, it may be invalidated by future mutators.
+	VisitDirectDepsBlueprint(visit func(blueprint.Module))
+
+	// VisitDirectDeps calls visit for each direct dependency.  If there are multiple
+	// direct dependencies on the same module visit will be called multiple times on that module
+	// and OtherModuleDependencyTag will return a different tag for each.  It raises an error if any of the
+	// dependencies are not an android.Module.
+	//
+	// The Module passed to the visit function should not be retained outside of the visit
+	// function, it may be invalidated by future mutators.
+	VisitDirectDeps(visit func(Module))
+
+	VisitDirectDepsWithTag(tag blueprint.DependencyTag, visit func(Module))
+
+	// VisitDirectDepsIf calls pred for each direct dependency, and if pred returns true calls visit.  If there are
+	// multiple direct dependencies on the same module pred and visit will be called multiple times on that module and
+	// OtherModuleDependencyTag will return a different tag for each.  It skips any
+	// dependencies that are not an android.Module.
+	//
+	// The Module passed to the visit function should not be retained outside of the visit function, it may be
+	// invalidated by future mutators.
+	VisitDirectDepsIf(pred func(Module) bool, visit func(Module))
+	// Deprecated: use WalkDeps instead to support multiple dependency tags on the same module
+	VisitDepsDepthFirst(visit func(Module))
+	// Deprecated: use WalkDeps instead to support multiple dependency tags on the same module
+	VisitDepsDepthFirstIf(pred func(Module) bool, visit func(Module))
+
+	// WalkDeps calls visit for each transitive dependency, traversing the dependency tree in top down order.  visit may
+	// be called multiple times for the same (child, parent) pair if there are multiple direct dependencies between the
+	// child and parent with different tags.  OtherModuleDependencyTag will return the tag for the currently visited
+	// (child, parent) pair.  If visit returns false WalkDeps will not continue recursing down to child.  It skips
+	// any dependencies that are not an android.Module.
+	//
+	// The Modules passed to the visit function should not be retained outside of the visit function, they may be
+	// invalidated by future mutators.
+	WalkDeps(visit func(child, parent Module) bool)
+
+	// WalkDepsBlueprint calls visit for each transitive dependency, traversing the dependency
+	// tree in top down order.  visit may be called multiple times for the same (child, parent)
+	// pair if there are multiple direct dependencies between the child and parent with different
+	// tags.  OtherModuleDependencyTag will return the tag for the currently visited
+	// (child, parent) pair.  If visit returns false WalkDeps will not continue recursing down
+	// to child.
+	//
+	// The Modules passed to the visit function should not be retained outside of the visit function, they may be
+	// invalidated by future mutators.
+	WalkDepsBlueprint(visit func(blueprint.Module, blueprint.Module) bool)
+
+	// GetWalkPath is supposed to be called in visit function passed in WalkDeps()
+	// and returns a top-down dependency path from a start module to current child module.
+	GetWalkPath() []Module
+
+	// PrimaryModule returns the first variant of the current module.  Variants of a module are always visited in
+	// order by mutators and GenerateBuildActions, so the data created by the current mutator can be read from the
+	// Module returned by PrimaryModule without data races.  This can be used to perform singleton actions that are
+	// only done once for all variants of a module.
+	PrimaryModule() Module
+
+	// FinalModule returns the last variant of the current module.  Variants of a module are always visited in
+	// order by mutators and GenerateBuildActions, so the data created by the current mutator can be read from all
+	// variants using VisitAllModuleVariants if the current module == FinalModule().  This can be used to perform
+	// singleton actions that are only done once for all variants of a module.
+	FinalModule() Module
+
+	// VisitAllModuleVariants calls visit for each variant of the current module.  Variants of a module are always
+	// visited in order by mutators and GenerateBuildActions, so the data created by the current mutator can be read
+	// from all variants if the current module == FinalModule().  Otherwise, care must be taken to not access any
+	// data modified by the current mutator.
+	VisitAllModuleVariants(visit func(Module))
+
+	// GetTagPath is supposed to be called in visit function passed in WalkDeps()
+	// and returns a top-down dependency tags path from a start module to current child module.
+	// It has one less entry than GetWalkPath() as it contains the dependency tags that
+	// exist between each adjacent pair of modules in the GetWalkPath().
+	// GetTagPath()[i] is the tag between GetWalkPath()[i] and GetWalkPath()[i+1]
+	GetTagPath() []blueprint.DependencyTag
+
+	// GetPathString is supposed to be called in visit function passed in WalkDeps()
+	// and returns a multi-line string showing the modules and dependency tags
+	// among them along the top-down dependency path from a start module to current child module.
+	// skipFirst when set to true, the output doesn't include the start module,
+	// which is already printed when this function is used along with ModuleErrorf().
+	GetPathString(skipFirst bool) string
+
+	AddMissingDependencies(missingDeps []string)
+
+	// getMissingDependencies returns the list of missing dependencies.
+	// Calling this function prevents adding new dependencies.
+	getMissingDependencies() []string
+
+	// AddUnconvertedBp2buildDep stores module name of a direct dependency that was not converted via bp2build
+	AddUnconvertedBp2buildDep(dep string)
+
+	// AddMissingBp2buildDep stores the module name of a direct dependency that was not found.
+	AddMissingBp2buildDep(dep string)
+
+	Target() Target
+	TargetPrimary() bool
+
+	// The additional arch specific targets (e.g. 32/64 bit) that this module variant is
+	// responsible for creating.
+	MultiTargets() []Target
+	Arch() Arch
+	Os() OsType
+	Host() bool
+	Device() bool
+	Darwin() bool
+	Windows() bool
+	PrimaryArch() bool
+}
+
+type baseModuleContext struct {
+	bp blueprint.BaseModuleContext
+	earlyModuleContext
+	os            OsType
+	target        Target
+	multiTargets  []Target
+	targetPrimary bool
+
+	walkPath []Module
+	tagPath  []blueprint.DependencyTag
+
+	strictVisitDeps bool // If true, enforce that all dependencies are enabled
+
+	bazelConversionMode bool
+}
+
+func (b *baseModuleContext) isBazelConversionMode() bool {
+	return b.bazelConversionMode
+}
+func (b *baseModuleContext) OtherModuleName(m blueprint.Module) string {
+	return b.bp.OtherModuleName(m)
+}
+func (b *baseModuleContext) OtherModuleDir(m blueprint.Module) string { return b.bp.OtherModuleDir(m) }
+func (b *baseModuleContext) OtherModuleErrorf(m blueprint.Module, fmt string, args ...interface{}) {
+	b.bp.OtherModuleErrorf(m, fmt, args...)
+}
+func (b *baseModuleContext) OtherModuleDependencyTag(m blueprint.Module) blueprint.DependencyTag {
+	return b.bp.OtherModuleDependencyTag(m)
+}
+func (b *baseModuleContext) OtherModuleExists(name string) bool { return b.bp.OtherModuleExists(name) }
+func (b *baseModuleContext) OtherModuleDependencyVariantExists(variations []blueprint.Variation, name string) bool {
+	return b.bp.OtherModuleDependencyVariantExists(variations, name)
+}
+func (b *baseModuleContext) OtherModuleFarDependencyVariantExists(variations []blueprint.Variation, name string) bool {
+	return b.bp.OtherModuleFarDependencyVariantExists(variations, name)
+}
+func (b *baseModuleContext) OtherModuleReverseDependencyVariantExists(name string) bool {
+	return b.bp.OtherModuleReverseDependencyVariantExists(name)
+}
+func (b *baseModuleContext) OtherModuleType(m blueprint.Module) string {
+	return b.bp.OtherModuleType(m)
+}
+func (b *baseModuleContext) OtherModuleProvider(m blueprint.Module, provider blueprint.ProviderKey) interface{} {
+	return b.bp.OtherModuleProvider(m, provider)
+}
+func (b *baseModuleContext) OtherModuleHasProvider(m blueprint.Module, provider blueprint.ProviderKey) bool {
+	return b.bp.OtherModuleHasProvider(m, provider)
+}
+func (b *baseModuleContext) Provider(provider blueprint.ProviderKey) interface{} {
+	return b.bp.Provider(provider)
+}
+func (b *baseModuleContext) HasProvider(provider blueprint.ProviderKey) bool {
+	return b.bp.HasProvider(provider)
+}
+func (b *baseModuleContext) SetProvider(provider blueprint.ProviderKey, value interface{}) {
+	b.bp.SetProvider(provider, value)
+}
+
+func (b *baseModuleContext) GetDirectDepWithTag(name string, tag blueprint.DependencyTag) blueprint.Module {
+	return b.bp.GetDirectDepWithTag(name, tag)
+}
+
+func (b *baseModuleContext) blueprintBaseModuleContext() blueprint.BaseModuleContext {
+	return b.bp
+}
+
+// AddUnconvertedBp2buildDep stores module name of a dependency that was not converted to Bazel.
+func (b *baseModuleContext) AddUnconvertedBp2buildDep(dep string) {
+	unconvertedDeps := &b.Module().base().commonProperties.BazelConversionStatus.UnconvertedDeps
+	*unconvertedDeps = append(*unconvertedDeps, dep)
+}
+
+// AddMissingBp2buildDep stores module name of a dependency that was not found in a Android.bp file.
+func (b *baseModuleContext) AddMissingBp2buildDep(dep string) {
+	missingDeps := &b.Module().base().commonProperties.BazelConversionStatus.MissingDeps
+	*missingDeps = append(*missingDeps, dep)
+}
+
+func (b *baseModuleContext) AddMissingDependencies(deps []string) {
+	if deps != nil {
+		missingDeps := &b.Module().base().commonProperties.MissingDeps
+		*missingDeps = append(*missingDeps, deps...)
+		*missingDeps = FirstUniqueStrings(*missingDeps)
+	}
+}
+
+func (b *baseModuleContext) checkedMissingDeps() bool {
+	return b.Module().base().commonProperties.CheckedMissingDeps
+}
+
+func (b *baseModuleContext) getMissingDependencies() []string {
+	checked := &b.Module().base().commonProperties.CheckedMissingDeps
+	*checked = true
+	var missingDeps []string
+	missingDeps = append(missingDeps, b.Module().base().commonProperties.MissingDeps...)
+	missingDeps = append(missingDeps, b.bp.EarlyGetMissingDependencies()...)
+	missingDeps = FirstUniqueStrings(missingDeps)
+	return missingDeps
+}
+
+type AllowDisabledModuleDependency interface {
+	blueprint.DependencyTag
+	AllowDisabledModuleDependency(target Module) bool
+}
+
+func (b *baseModuleContext) validateAndroidModule(module blueprint.Module, tag blueprint.DependencyTag, strict bool) Module {
+	aModule, _ := module.(Module)
+
+	if !strict {
+		return aModule
+	}
+
+	if aModule == nil {
+		b.ModuleErrorf("module %q (%#v) not an android module", b.OtherModuleName(module), tag)
+		return nil
+	}
+
+	if !aModule.Enabled() {
+		if t, ok := tag.(AllowDisabledModuleDependency); !ok || !t.AllowDisabledModuleDependency(aModule) {
+			if b.Config().AllowMissingDependencies() {
+				b.AddMissingDependencies([]string{b.OtherModuleName(aModule)})
+			} else {
+				b.ModuleErrorf("depends on disabled module %q", b.OtherModuleName(aModule))
+			}
+		}
+		return nil
+	}
+	return aModule
+}
+
+type dep struct {
+	mod blueprint.Module
+	tag blueprint.DependencyTag
+}
+
+func (b *baseModuleContext) getDirectDepsInternal(name string, tag blueprint.DependencyTag) []dep {
+	var deps []dep
+	b.VisitDirectDepsBlueprint(func(module blueprint.Module) {
+		if aModule, _ := module.(Module); aModule != nil {
+			if aModule.base().BaseModuleName() == name {
+				returnedTag := b.bp.OtherModuleDependencyTag(aModule)
+				if tag == nil || returnedTag == tag {
+					deps = append(deps, dep{aModule, returnedTag})
+				}
+			}
+		} else if b.bp.OtherModuleName(module) == name {
+			returnedTag := b.bp.OtherModuleDependencyTag(module)
+			if tag == nil || returnedTag == tag {
+				deps = append(deps, dep{module, returnedTag})
+			}
+		}
+	})
+	return deps
+}
+
+func (b *baseModuleContext) getDirectDepInternal(name string, tag blueprint.DependencyTag) (blueprint.Module, blueprint.DependencyTag) {
+	deps := b.getDirectDepsInternal(name, tag)
+	if len(deps) == 1 {
+		return deps[0].mod, deps[0].tag
+	} else if len(deps) >= 2 {
+		panic(fmt.Errorf("Multiple dependencies having same BaseModuleName() %q found from %q",
+			name, b.ModuleName()))
+	} else {
+		return nil, nil
+	}
+}
+
+func (b *baseModuleContext) getDirectDepFirstTag(name string) (blueprint.Module, blueprint.DependencyTag) {
+	foundDeps := b.getDirectDepsInternal(name, nil)
+	deps := map[blueprint.Module]bool{}
+	for _, dep := range foundDeps {
+		deps[dep.mod] = true
+	}
+	if len(deps) == 1 {
+		return foundDeps[0].mod, foundDeps[0].tag
+	} else if len(deps) >= 2 {
+		// this could happen if two dependencies have the same name in different namespaces
+		// TODO(b/186554727): this should not occur if namespaces are handled within
+		// getDirectDepsInternal.
+		panic(fmt.Errorf("Multiple dependencies having same BaseModuleName() %q found from %q",
+			name, b.ModuleName()))
+	} else {
+		return nil, nil
+	}
+}
+
+func (b *baseModuleContext) GetDirectDepsWithTag(tag blueprint.DependencyTag) []Module {
+	var deps []Module
+	b.VisitDirectDepsBlueprint(func(module blueprint.Module) {
+		if aModule, _ := module.(Module); aModule != nil {
+			if b.bp.OtherModuleDependencyTag(aModule) == tag {
+				deps = append(deps, aModule)
+			}
+		}
+	})
+	return deps
+}
+
+// GetDirectDep returns the Module and DependencyTag for the direct dependency with the specified
+// name, or nil if none exists. If there are multiple dependencies on the same module it returns the
+// first DependencyTag.
+func (b *baseModuleContext) GetDirectDep(name string) (blueprint.Module, blueprint.DependencyTag) {
+	return b.getDirectDepFirstTag(name)
+}
+
+func (b *baseModuleContext) ModuleFromName(name string) (blueprint.Module, bool) {
+	if !b.isBazelConversionMode() {
+		panic("cannot call ModuleFromName if not in bazel conversion mode")
+	}
+	var m blueprint.Module
+	var ok bool
+	if moduleName, _ := SrcIsModuleWithTag(name); moduleName != "" {
+		m, ok = b.bp.ModuleFromName(moduleName)
+	} else {
+		m, ok = b.bp.ModuleFromName(name)
+	}
+	if !ok {
+		return m, ok
+	}
+	// If this module is not preferred, tried to get the prebuilt version instead
+	if a, aOk := m.(Module); aOk && !IsModulePrebuilt(a) && !IsModulePreferred(a) {
+		return b.ModuleFromName("prebuilt_" + name)
+	}
+	return m, ok
+}
+
+func (b *baseModuleContext) VisitDirectDepsBlueprint(visit func(blueprint.Module)) {
+	b.bp.VisitDirectDeps(visit)
+}
+
+func (b *baseModuleContext) VisitDirectDeps(visit func(Module)) {
+	b.bp.VisitDirectDeps(func(module blueprint.Module) {
+		if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+			visit(aModule)
+		}
+	})
+}
+
+func (b *baseModuleContext) VisitDirectDepsWithTag(tag blueprint.DependencyTag, visit func(Module)) {
+	b.bp.VisitDirectDeps(func(module blueprint.Module) {
+		if b.bp.OtherModuleDependencyTag(module) == tag {
+			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+				visit(aModule)
+			}
+		}
+	})
+}
+
+func (b *baseModuleContext) VisitDirectDepsIf(pred func(Module) bool, visit func(Module)) {
+	b.bp.VisitDirectDepsIf(
+		// pred
+		func(module blueprint.Module) bool {
+			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+				return pred(aModule)
+			} else {
+				return false
+			}
+		},
+		// visit
+		func(module blueprint.Module) {
+			visit(module.(Module))
+		})
+}
+
+func (b *baseModuleContext) VisitDepsDepthFirst(visit func(Module)) {
+	b.bp.VisitDepsDepthFirst(func(module blueprint.Module) {
+		if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+			visit(aModule)
+		}
+	})
+}
+
+func (b *baseModuleContext) VisitDepsDepthFirstIf(pred func(Module) bool, visit func(Module)) {
+	b.bp.VisitDepsDepthFirstIf(
+		// pred
+		func(module blueprint.Module) bool {
+			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+				return pred(aModule)
+			} else {
+				return false
+			}
+		},
+		// visit
+		func(module blueprint.Module) {
+			visit(module.(Module))
+		})
+}
+
+func (b *baseModuleContext) WalkDepsBlueprint(visit func(blueprint.Module, blueprint.Module) bool) {
+	b.bp.WalkDeps(visit)
+}
+
+func (b *baseModuleContext) WalkDeps(visit func(Module, Module) bool) {
+	b.walkPath = []Module{b.Module()}
+	b.tagPath = []blueprint.DependencyTag{}
+	b.bp.WalkDeps(func(child, parent blueprint.Module) bool {
+		childAndroidModule, _ := child.(Module)
+		parentAndroidModule, _ := parent.(Module)
+		if childAndroidModule != nil && parentAndroidModule != nil {
+			// record walkPath before visit
+			for b.walkPath[len(b.walkPath)-1] != parentAndroidModule {
+				b.walkPath = b.walkPath[0 : len(b.walkPath)-1]
+				b.tagPath = b.tagPath[0 : len(b.tagPath)-1]
+			}
+			b.walkPath = append(b.walkPath, childAndroidModule)
+			b.tagPath = append(b.tagPath, b.OtherModuleDependencyTag(childAndroidModule))
+			return visit(childAndroidModule, parentAndroidModule)
+		} else {
+			return false
+		}
+	})
+}
+
+func (b *baseModuleContext) GetWalkPath() []Module {
+	return b.walkPath
+}
+
+func (b *baseModuleContext) GetTagPath() []blueprint.DependencyTag {
+	return b.tagPath
+}
+
+func (b *baseModuleContext) VisitAllModuleVariants(visit func(Module)) {
+	b.bp.VisitAllModuleVariants(func(module blueprint.Module) {
+		visit(module.(Module))
+	})
+}
+
+func (b *baseModuleContext) PrimaryModule() Module {
+	return b.bp.PrimaryModule().(Module)
+}
+
+func (b *baseModuleContext) FinalModule() Module {
+	return b.bp.FinalModule().(Module)
+}
+
+// IsMetaDependencyTag returns true for cross-cutting metadata dependencies.
+func IsMetaDependencyTag(tag blueprint.DependencyTag) bool {
+	if tag == licenseKindTag {
+		return true
+	} else if tag == licensesTag {
+		return true
+	} else if tag == acDepTag {
+		return true
+	}
+	return false
+}
+
+// A regexp for removing boilerplate from BaseDependencyTag from the string representation of
+// a dependency tag.
+var tagCleaner = regexp.MustCompile(`\QBaseDependencyTag:{}\E(, )?`)
+
+// PrettyPrintTag returns string representation of the tag, but prefers
+// custom String() method if available.
+func PrettyPrintTag(tag blueprint.DependencyTag) string {
+	// Use tag's custom String() method if available.
+	if stringer, ok := tag.(fmt.Stringer); ok {
+		return stringer.String()
+	}
+
+	// Otherwise, get a default string representation of the tag's struct.
+	tagString := fmt.Sprintf("%T: %+v", tag, tag)
+
+	// Remove the boilerplate from BaseDependencyTag as it adds no value.
+	tagString = tagCleaner.ReplaceAllString(tagString, "")
+	return tagString
+}
+
+func (b *baseModuleContext) GetPathString(skipFirst bool) string {
+	sb := strings.Builder{}
+	tagPath := b.GetTagPath()
+	walkPath := b.GetWalkPath()
+	if !skipFirst {
+		sb.WriteString(walkPath[0].String())
+	}
+	for i, m := range walkPath[1:] {
+		sb.WriteString("\n")
+		sb.WriteString(fmt.Sprintf("           via tag %s\n", PrettyPrintTag(tagPath[i])))
+		sb.WriteString(fmt.Sprintf("    -> %s", m.String()))
+	}
+	return sb.String()
+}
+
+func (b *baseModuleContext) Target() Target {
+	return b.target
+}
+
+func (b *baseModuleContext) TargetPrimary() bool {
+	return b.targetPrimary
+}
+
+func (b *baseModuleContext) MultiTargets() []Target {
+	return b.multiTargets
+}
+
+func (b *baseModuleContext) Arch() Arch {
+	return b.target.Arch
+}
+
+func (b *baseModuleContext) Os() OsType {
+	return b.os
+}
+
+func (b *baseModuleContext) Host() bool {
+	return b.os.Class == Host
+}
+
+func (b *baseModuleContext) Device() bool {
+	return b.os.Class == Device
+}
+
+func (b *baseModuleContext) Darwin() bool {
+	return b.os == Darwin
+}
+
+func (b *baseModuleContext) Windows() bool {
+	return b.os == Windows
+}
+
+func (b *baseModuleContext) PrimaryArch() bool {
+	if len(b.config.Targets[b.target.Os]) <= 1 {
+		return true
+	}
+	return b.target.Arch.ArchType == b.config.Targets[b.target.Os][0].Arch.ArchType
+}
diff --git a/android/config.go b/android/config.go
index bf0b9de..0aad3bd 100644
--- a/android/config.go
+++ b/android/config.go
@@ -570,8 +570,6 @@
 		config: config,
 	}
 
-	config.productVariables.Build_from_text_stub = boolPtr(config.BuildFromTextStub())
-
 	// Soundness check of the build and source directories. This won't catch strange
 	// configurations with symlinks, but at least checks the obvious case.
 	absBuildDir, err := filepath.Abs(cmdArgs.SoongOutDir)
@@ -693,7 +691,9 @@
 		"framework-location":                {},
 		"framework-media":                   {},
 		"framework-mediaprovider":           {},
+		"framework-nfc":                     {},
 		"framework-ondevicepersonalization": {},
+		"framework-pdf":                     {},
 		"framework-permission":              {},
 		"framework-permission-s":            {},
 		"framework-scheduling":              {},
@@ -707,6 +707,8 @@
 		"i18n.module.public.api":            {},
 	}
 
+	config.productVariables.Build_from_text_stub = boolPtr(config.BuildFromTextStub())
+
 	return Config{config}, err
 }
 
@@ -2075,11 +2077,17 @@
 	return c.IsEnvTrue("EMMA_INSTRUMENT") || c.IsEnvTrue("EMMA_INSTRUMENT_STATIC") || c.IsEnvTrue("EMMA_INSTRUMENT_FRAMEWORK")
 }
 
+func (c *deviceConfig) BuildFromSourceStub() bool {
+	return Bool(c.config.productVariables.BuildFromSourceStub)
+}
+
 func (c *config) BuildFromTextStub() bool {
 	// TODO: b/302320354 - Remove the coverage build specific logic once the
 	// robust solution for handling native properties in from-text stub build
 	// is implemented.
-	return !c.buildFromSourceStub && !c.JavaCoverageEnabled()
+	return !c.buildFromSourceStub &&
+		!c.JavaCoverageEnabled() &&
+		!c.deviceConfig.BuildFromSourceStub()
 }
 
 func (c *config) SetBuildFromTextStub(b bool) {
diff --git a/android/early_module_context.go b/android/early_module_context.go
new file mode 100644
index 0000000..8f75773
--- /dev/null
+++ b/android/early_module_context.go
@@ -0,0 +1,169 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package android
+
+import (
+	"github.com/google/blueprint"
+	"os"
+	"text/scanner"
+)
+
+// EarlyModuleContext provides methods that can be called early, as soon as the properties have
+// been parsed into the module and before any mutators have run.
+type EarlyModuleContext interface {
+	// Module returns the current module as a Module.  It should rarely be necessary, as the module already has a
+	// reference to itself.
+	Module() Module
+
+	// ModuleName returns the name of the module.  This is generally the value that was returned by Module.Name() when
+	// the module was created, but may have been modified by calls to BaseMutatorContext.Rename.
+	ModuleName() string
+
+	// ModuleDir returns the path to the directory that contains the definition of the module.
+	ModuleDir() string
+
+	// ModuleType returns the name of the module type that was used to create the module, as specified in
+	// RegisterModuleType.
+	ModuleType() string
+
+	// BlueprintFile returns the name of the blueprint file that contains the definition of this
+	// module.
+	BlueprintsFile() string
+
+	// ContainsProperty returns true if the specified property name was set in the module definition.
+	ContainsProperty(name string) bool
+
+	// Errorf reports an error at the specified position of the module definition file.
+	Errorf(pos scanner.Position, fmt string, args ...interface{})
+
+	// ModuleErrorf reports an error at the line number of the module type in the module definition.
+	ModuleErrorf(fmt string, args ...interface{})
+
+	// PropertyErrorf reports an error at the line number of a property in the module definition.
+	PropertyErrorf(property, fmt string, args ...interface{})
+
+	// Failed returns true if any errors have been reported.  In most cases the module can continue with generating
+	// build rules after an error, allowing it to report additional errors in a single run, but in cases where the error
+	// has prevented the module from creating necessary data it can return early when Failed returns true.
+	Failed() bool
+
+	// AddNinjaFileDeps adds dependencies on the specified files to the rule that creates the ninja manifest.  The
+	// primary builder will be rerun whenever the specified files are modified.
+	AddNinjaFileDeps(deps ...string)
+
+	DeviceSpecific() bool
+	SocSpecific() bool
+	ProductSpecific() bool
+	SystemExtSpecific() bool
+	Platform() bool
+
+	Config() Config
+	DeviceConfig() DeviceConfig
+
+	// Deprecated: use Config()
+	AConfig() Config
+
+	// GlobWithDeps returns a list of files that match the specified pattern but do not match any
+	// of the patterns in excludes.  It also adds efficient dependencies to rerun the primary
+	// builder whenever a file matching the pattern as added or removed, without rerunning if a
+	// file that does not match the pattern is added to a searched directory.
+	GlobWithDeps(pattern string, excludes []string) ([]string, error)
+
+	Glob(globPattern string, excludes []string) Paths
+	GlobFiles(globPattern string, excludes []string) Paths
+	IsSymlink(path Path) bool
+	Readlink(path Path) string
+
+	// Namespace returns the Namespace object provided by the NameInterface set by Context.SetNameInterface, or the
+	// default SimpleNameInterface if Context.SetNameInterface was not called.
+	Namespace() *Namespace
+}
+
+// Deprecated: use EarlyModuleContext instead
+type BaseContext interface {
+	EarlyModuleContext
+}
+
+type earlyModuleContext struct {
+	blueprint.EarlyModuleContext
+
+	kind   moduleKind
+	config Config
+}
+
+func (e *earlyModuleContext) Glob(globPattern string, excludes []string) Paths {
+	return Glob(e, globPattern, excludes)
+}
+
+func (e *earlyModuleContext) GlobFiles(globPattern string, excludes []string) Paths {
+	return GlobFiles(e, globPattern, excludes)
+}
+
+func (e *earlyModuleContext) IsSymlink(path Path) bool {
+	fileInfo, err := e.config.fs.Lstat(path.String())
+	if err != nil {
+		e.ModuleErrorf("os.Lstat(%q) failed: %s", path.String(), err)
+	}
+	return fileInfo.Mode()&os.ModeSymlink == os.ModeSymlink
+}
+
+func (e *earlyModuleContext) Readlink(path Path) string {
+	dest, err := e.config.fs.Readlink(path.String())
+	if err != nil {
+		e.ModuleErrorf("os.Readlink(%q) failed: %s", path.String(), err)
+	}
+	return dest
+}
+
+func (e *earlyModuleContext) Module() Module {
+	module, _ := e.EarlyModuleContext.Module().(Module)
+	return module
+}
+
+func (e *earlyModuleContext) Config() Config {
+	return e.EarlyModuleContext.Config().(Config)
+}
+
+func (e *earlyModuleContext) AConfig() Config {
+	return e.config
+}
+
+func (e *earlyModuleContext) DeviceConfig() DeviceConfig {
+	return DeviceConfig{e.config.deviceConfig}
+}
+
+func (e *earlyModuleContext) Platform() bool {
+	return e.kind == platformModule
+}
+
+func (e *earlyModuleContext) DeviceSpecific() bool {
+	return e.kind == deviceSpecificModule
+}
+
+func (e *earlyModuleContext) SocSpecific() bool {
+	return e.kind == socSpecificModule
+}
+
+func (e *earlyModuleContext) ProductSpecific() bool {
+	return e.kind == productSpecificModule
+}
+
+func (e *earlyModuleContext) SystemExtSpecific() bool {
+	return e.kind == systemExtSpecificModule
+}
+
+func (e *earlyModuleContext) Namespace() *Namespace {
+	return e.EarlyModuleContext.Namespace().(*Namespace)
+}
diff --git a/android/module.go b/android/module.go
index 0d405eb..af69a1b 100644
--- a/android/module.go
+++ b/android/module.go
@@ -15,22 +15,17 @@
 package android
 
 import (
+	"android/soong/bazel"
+	"android/soong/ui/metrics/bp2build_metrics_proto"
 	"crypto/md5"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
 	"net/url"
-	"os"
-	"path"
 	"path/filepath"
 	"reflect"
-	"regexp"
 	"sort"
 	"strings"
-	"text/scanner"
-
-	"android/soong/bazel"
-	"android/soong/ui/metrics/bp2build_metrics_proto"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
@@ -41,469 +36,6 @@
 	DeviceStaticLibrary = "static_library"
 )
 
-// BuildParameters describes the set of potential parameters to build a Ninja rule.
-// In general, these correspond to a Ninja concept.
-type BuildParams struct {
-	// A Ninja Rule that will be written to the Ninja file. This allows factoring out common code
-	// among multiple modules to reduce repetition in the Ninja file of action requirements. A rule
-	// can contain variables that should be provided in Args.
-	Rule blueprint.Rule
-	// Deps represents the depfile format. When using RuleBuilder, this defaults to GCC when depfiles
-	// are used.
-	Deps blueprint.Deps
-	// Depfile is a writeable path that allows correct incremental builds when the inputs have not
-	// been fully specified by the Ninja rule. Ninja supports a subset of the Makefile depfile syntax.
-	Depfile WritablePath
-	// A description of the build action.
-	Description string
-	// Output is an output file of the action. When using this field, references to $out in the Ninja
-	// command will refer to this file.
-	Output WritablePath
-	// Outputs is a slice of output file of the action. When using this field, references to $out in
-	// the Ninja command will refer to these files.
-	Outputs WritablePaths
-	// SymlinkOutput is an output file specifically that is a symlink.
-	SymlinkOutput WritablePath
-	// SymlinkOutputs is a slice of output files specifically that is a symlink.
-	SymlinkOutputs WritablePaths
-	// ImplicitOutput is an output file generated by the action. Note: references to `$out` in the
-	// Ninja command will NOT include references to this file.
-	ImplicitOutput WritablePath
-	// ImplicitOutputs is a slice of output files generated by the action. Note: references to `$out`
-	// in the Ninja command will NOT include references to these files.
-	ImplicitOutputs WritablePaths
-	// Input is an input file to the Ninja action. When using this field, references to $in in the
-	// Ninja command will refer to this file.
-	Input Path
-	// Inputs is a slice of input files to the Ninja action. When using this field, references to $in
-	// in the Ninja command will refer to these files.
-	Inputs Paths
-	// Implicit is an input file to the Ninja action. Note: references to `$in` in the Ninja command
-	// will NOT include references to this file.
-	Implicit Path
-	// Implicits is a slice of input files to the Ninja action. Note: references to `$in` in the Ninja
-	// command will NOT include references to these files.
-	Implicits Paths
-	// OrderOnly are Ninja order-only inputs to the action. When these are out of date, the output is
-	// not rebuilt until they are built, but changes in order-only dependencies alone do not cause the
-	// output to be rebuilt.
-	OrderOnly Paths
-	// Validation is an output path for a validation action. Validation outputs imply lower
-	// non-blocking priority to building non-validation outputs.
-	Validation Path
-	// Validations is a slice of output path for a validation action. Validation outputs imply lower
-	// non-blocking priority to building non-validation outputs.
-	Validations Paths
-	// Whether to skip outputting a default target statement which will be built by Ninja when no
-	// targets are specified on Ninja's command line.
-	Default bool
-	// Args is a key value mapping for replacements of variables within the Rule
-	Args map[string]string
-}
-
-type ModuleBuildParams BuildParams
-
-// EarlyModuleContext provides methods that can be called early, as soon as the properties have
-// been parsed into the module and before any mutators have run.
-type EarlyModuleContext interface {
-	// Module returns the current module as a Module.  It should rarely be necessary, as the module already has a
-	// reference to itself.
-	Module() Module
-
-	// ModuleName returns the name of the module.  This is generally the value that was returned by Module.Name() when
-	// the module was created, but may have been modified by calls to BaseMutatorContext.Rename.
-	ModuleName() string
-
-	// ModuleDir returns the path to the directory that contains the definition of the module.
-	ModuleDir() string
-
-	// ModuleType returns the name of the module type that was used to create the module, as specified in
-	// RegisterModuleType.
-	ModuleType() string
-
-	// BlueprintFile returns the name of the blueprint file that contains the definition of this
-	// module.
-	BlueprintsFile() string
-
-	// ContainsProperty returns true if the specified property name was set in the module definition.
-	ContainsProperty(name string) bool
-
-	// Errorf reports an error at the specified position of the module definition file.
-	Errorf(pos scanner.Position, fmt string, args ...interface{})
-
-	// ModuleErrorf reports an error at the line number of the module type in the module definition.
-	ModuleErrorf(fmt string, args ...interface{})
-
-	// PropertyErrorf reports an error at the line number of a property in the module definition.
-	PropertyErrorf(property, fmt string, args ...interface{})
-
-	// Failed returns true if any errors have been reported.  In most cases the module can continue with generating
-	// build rules after an error, allowing it to report additional errors in a single run, but in cases where the error
-	// has prevented the module from creating necessary data it can return early when Failed returns true.
-	Failed() bool
-
-	// AddNinjaFileDeps adds dependencies on the specified files to the rule that creates the ninja manifest.  The
-	// primary builder will be rerun whenever the specified files are modified.
-	AddNinjaFileDeps(deps ...string)
-
-	DeviceSpecific() bool
-	SocSpecific() bool
-	ProductSpecific() bool
-	SystemExtSpecific() bool
-	Platform() bool
-
-	Config() Config
-	DeviceConfig() DeviceConfig
-
-	// Deprecated: use Config()
-	AConfig() Config
-
-	// GlobWithDeps returns a list of files that match the specified pattern but do not match any
-	// of the patterns in excludes.  It also adds efficient dependencies to rerun the primary
-	// builder whenever a file matching the pattern as added or removed, without rerunning if a
-	// file that does not match the pattern is added to a searched directory.
-	GlobWithDeps(pattern string, excludes []string) ([]string, error)
-
-	Glob(globPattern string, excludes []string) Paths
-	GlobFiles(globPattern string, excludes []string) Paths
-	IsSymlink(path Path) bool
-	Readlink(path Path) string
-
-	// Namespace returns the Namespace object provided by the NameInterface set by Context.SetNameInterface, or the
-	// default SimpleNameInterface if Context.SetNameInterface was not called.
-	Namespace() *Namespace
-}
-
-// BaseModuleContext is the same as blueprint.BaseModuleContext except that Config() returns
-// a Config instead of an interface{}, and some methods have been wrapped to use an android.Module
-// instead of a blueprint.Module, plus some extra methods that return Android-specific information
-// about the current module.
-type BaseModuleContext interface {
-	EarlyModuleContext
-
-	blueprintBaseModuleContext() blueprint.BaseModuleContext
-
-	// OtherModuleName returns the name of another Module.  See BaseModuleContext.ModuleName for more information.
-	// It is intended for use inside the visit functions of Visit* and WalkDeps.
-	OtherModuleName(m blueprint.Module) string
-
-	// OtherModuleDir returns the directory of another Module.  See BaseModuleContext.ModuleDir for more information.
-	// It is intended for use inside the visit functions of Visit* and WalkDeps.
-	OtherModuleDir(m blueprint.Module) string
-
-	// OtherModuleErrorf reports an error on another Module.  See BaseModuleContext.ModuleErrorf for more information.
-	// It is intended for use inside the visit functions of Visit* and WalkDeps.
-	OtherModuleErrorf(m blueprint.Module, fmt string, args ...interface{})
-
-	// OtherModuleDependencyTag returns the dependency tag used to depend on a module, or nil if there is no dependency
-	// on the module.  When called inside a Visit* method with current module being visited, and there are multiple
-	// dependencies on the module being visited, it returns the dependency tag used for the current dependency.
-	OtherModuleDependencyTag(m blueprint.Module) blueprint.DependencyTag
-
-	// OtherModuleExists returns true if a module with the specified name exists, as determined by the NameInterface
-	// passed to Context.SetNameInterface, or SimpleNameInterface if it was not called.
-	OtherModuleExists(name string) bool
-
-	// OtherModuleDependencyVariantExists returns true if a module with the
-	// specified name and variant exists. The variant must match the given
-	// variations. It must also match all the non-local variations of the current
-	// module. In other words, it checks for the module that AddVariationDependencies
-	// would add a dependency on with the same arguments.
-	OtherModuleDependencyVariantExists(variations []blueprint.Variation, name string) bool
-
-	// OtherModuleFarDependencyVariantExists returns true if a module with the
-	// specified name and variant exists. The variant must match the given
-	// variations, but not the non-local variations of the current module. In
-	// other words, it checks for the module that AddFarVariationDependencies
-	// would add a dependency on with the same arguments.
-	OtherModuleFarDependencyVariantExists(variations []blueprint.Variation, name string) bool
-
-	// OtherModuleReverseDependencyVariantExists returns true if a module with the
-	// specified name exists with the same variations as the current module. In
-	// other words, it checks for the module that AddReverseDependency would add a
-	// dependency on with the same argument.
-	OtherModuleReverseDependencyVariantExists(name string) bool
-
-	// OtherModuleType returns the type of another Module.  See BaseModuleContext.ModuleType for more information.
-	// It is intended for use inside the visit functions of Visit* and WalkDeps.
-	OtherModuleType(m blueprint.Module) string
-
-	// OtherModuleProvider returns the value for a provider for the given module.  If the value is
-	// not set it returns the zero value of the type of the provider, so the return value can always
-	// be type asserted to the type of the provider.  The value returned may be a deep copy of the
-	// value originally passed to SetProvider.
-	OtherModuleProvider(m blueprint.Module, provider blueprint.ProviderKey) interface{}
-
-	// OtherModuleHasProvider returns true if the provider for the given module has been set.
-	OtherModuleHasProvider(m blueprint.Module, provider blueprint.ProviderKey) bool
-
-	// Provider returns the value for a provider for the current module.  If the value is
-	// not set it returns the zero value of the type of the provider, so the return value can always
-	// be type asserted to the type of the provider.  It panics if called before the appropriate
-	// mutator or GenerateBuildActions pass for the provider.  The value returned may be a deep
-	// copy of the value originally passed to SetProvider.
-	Provider(provider blueprint.ProviderKey) interface{}
-
-	// HasProvider returns true if the provider for the current module has been set.
-	HasProvider(provider blueprint.ProviderKey) bool
-
-	// SetProvider sets the value for a provider for the current module.  It panics if not called
-	// during the appropriate mutator or GenerateBuildActions pass for the provider, if the value
-	// is not of the appropriate type, or if the value has already been set.  The value should not
-	// be modified after being passed to SetProvider.
-	SetProvider(provider blueprint.ProviderKey, value interface{})
-
-	GetDirectDepsWithTag(tag blueprint.DependencyTag) []Module
-
-	// GetDirectDepWithTag returns the Module the direct dependency with the specified name, or nil if
-	// none exists.  It panics if the dependency does not have the specified tag.  It skips any
-	// dependencies that are not an android.Module.
-	GetDirectDepWithTag(name string, tag blueprint.DependencyTag) blueprint.Module
-
-	// GetDirectDep returns the Module and DependencyTag for the  direct dependency with the specified
-	// name, or nil if none exists.  If there are multiple dependencies on the same module it returns
-	// the first DependencyTag.
-	GetDirectDep(name string) (blueprint.Module, blueprint.DependencyTag)
-
-	ModuleFromName(name string) (blueprint.Module, bool)
-
-	// VisitDirectDepsBlueprint calls visit for each direct dependency.  If there are multiple
-	// direct dependencies on the same module visit will be called multiple times on that module
-	// and OtherModuleDependencyTag will return a different tag for each.
-	//
-	// The Module passed to the visit function should not be retained outside of the visit
-	// function, it may be invalidated by future mutators.
-	VisitDirectDepsBlueprint(visit func(blueprint.Module))
-
-	// VisitDirectDeps calls visit for each direct dependency.  If there are multiple
-	// direct dependencies on the same module visit will be called multiple times on that module
-	// and OtherModuleDependencyTag will return a different tag for each.  It raises an error if any of the
-	// dependencies are not an android.Module.
-	//
-	// The Module passed to the visit function should not be retained outside of the visit
-	// function, it may be invalidated by future mutators.
-	VisitDirectDeps(visit func(Module))
-
-	VisitDirectDepsWithTag(tag blueprint.DependencyTag, visit func(Module))
-
-	// VisitDirectDepsIf calls pred for each direct dependency, and if pred returns true calls visit.  If there are
-	// multiple direct dependencies on the same module pred and visit will be called multiple times on that module and
-	// OtherModuleDependencyTag will return a different tag for each.  It skips any
-	// dependencies that are not an android.Module.
-	//
-	// The Module passed to the visit function should not be retained outside of the visit function, it may be
-	// invalidated by future mutators.
-	VisitDirectDepsIf(pred func(Module) bool, visit func(Module))
-	// Deprecated: use WalkDeps instead to support multiple dependency tags on the same module
-	VisitDepsDepthFirst(visit func(Module))
-	// Deprecated: use WalkDeps instead to support multiple dependency tags on the same module
-	VisitDepsDepthFirstIf(pred func(Module) bool, visit func(Module))
-
-	// WalkDeps calls visit for each transitive dependency, traversing the dependency tree in top down order.  visit may
-	// be called multiple times for the same (child, parent) pair if there are multiple direct dependencies between the
-	// child and parent with different tags.  OtherModuleDependencyTag will return the tag for the currently visited
-	// (child, parent) pair.  If visit returns false WalkDeps will not continue recursing down to child.  It skips
-	// any dependencies that are not an android.Module.
-	//
-	// The Modules passed to the visit function should not be retained outside of the visit function, they may be
-	// invalidated by future mutators.
-	WalkDeps(visit func(child, parent Module) bool)
-
-	// WalkDepsBlueprint calls visit for each transitive dependency, traversing the dependency
-	// tree in top down order.  visit may be called multiple times for the same (child, parent)
-	// pair if there are multiple direct dependencies between the child and parent with different
-	// tags.  OtherModuleDependencyTag will return the tag for the currently visited
-	// (child, parent) pair.  If visit returns false WalkDeps will not continue recursing down
-	// to child.
-	//
-	// The Modules passed to the visit function should not be retained outside of the visit function, they may be
-	// invalidated by future mutators.
-	WalkDepsBlueprint(visit func(blueprint.Module, blueprint.Module) bool)
-
-	// GetWalkPath is supposed to be called in visit function passed in WalkDeps()
-	// and returns a top-down dependency path from a start module to current child module.
-	GetWalkPath() []Module
-
-	// PrimaryModule returns the first variant of the current module.  Variants of a module are always visited in
-	// order by mutators and GenerateBuildActions, so the data created by the current mutator can be read from the
-	// Module returned by PrimaryModule without data races.  This can be used to perform singleton actions that are
-	// only done once for all variants of a module.
-	PrimaryModule() Module
-
-	// FinalModule returns the last variant of the current module.  Variants of a module are always visited in
-	// order by mutators and GenerateBuildActions, so the data created by the current mutator can be read from all
-	// variants using VisitAllModuleVariants if the current module == FinalModule().  This can be used to perform
-	// singleton actions that are only done once for all variants of a module.
-	FinalModule() Module
-
-	// VisitAllModuleVariants calls visit for each variant of the current module.  Variants of a module are always
-	// visited in order by mutators and GenerateBuildActions, so the data created by the current mutator can be read
-	// from all variants if the current module == FinalModule().  Otherwise, care must be taken to not access any
-	// data modified by the current mutator.
-	VisitAllModuleVariants(visit func(Module))
-
-	// GetTagPath is supposed to be called in visit function passed in WalkDeps()
-	// and returns a top-down dependency tags path from a start module to current child module.
-	// It has one less entry than GetWalkPath() as it contains the dependency tags that
-	// exist between each adjacent pair of modules in the GetWalkPath().
-	// GetTagPath()[i] is the tag between GetWalkPath()[i] and GetWalkPath()[i+1]
-	GetTagPath() []blueprint.DependencyTag
-
-	// GetPathString is supposed to be called in visit function passed in WalkDeps()
-	// and returns a multi-line string showing the modules and dependency tags
-	// among them along the top-down dependency path from a start module to current child module.
-	// skipFirst when set to true, the output doesn't include the start module,
-	// which is already printed when this function is used along with ModuleErrorf().
-	GetPathString(skipFirst bool) string
-
-	AddMissingDependencies(missingDeps []string)
-
-	// getMissingDependencies returns the list of missing dependencies.
-	// Calling this function prevents adding new dependencies.
-	getMissingDependencies() []string
-
-	// AddUnconvertedBp2buildDep stores module name of a direct dependency that was not converted via bp2build
-	AddUnconvertedBp2buildDep(dep string)
-
-	// AddMissingBp2buildDep stores the module name of a direct dependency that was not found.
-	AddMissingBp2buildDep(dep string)
-
-	Target() Target
-	TargetPrimary() bool
-
-	// The additional arch specific targets (e.g. 32/64 bit) that this module variant is
-	// responsible for creating.
-	MultiTargets() []Target
-	Arch() Arch
-	Os() OsType
-	Host() bool
-	Device() bool
-	Darwin() bool
-	Windows() bool
-	PrimaryArch() bool
-}
-
-// Deprecated: use EarlyModuleContext instead
-type BaseContext interface {
-	EarlyModuleContext
-}
-
-type ModuleContext interface {
-	BaseModuleContext
-
-	blueprintModuleContext() blueprint.ModuleContext
-
-	// Deprecated: use ModuleContext.Build instead.
-	ModuleBuild(pctx PackageContext, params ModuleBuildParams)
-
-	// Returns a list of paths expanded from globs and modules referenced using ":module" syntax.  The property must
-	// be tagged with `android:"path" to support automatic source module dependency resolution.
-	//
-	// Deprecated: use PathsForModuleSrc or PathsForModuleSrcExcludes instead.
-	ExpandSources(srcFiles, excludes []string) Paths
-
-	// Returns a single path expanded from globs and modules referenced using ":module" syntax.  The property must
-	// be tagged with `android:"path" to support automatic source module dependency resolution.
-	//
-	// Deprecated: use PathForModuleSrc instead.
-	ExpandSource(srcFile, prop string) Path
-
-	ExpandOptionalSource(srcFile *string, prop string) OptionalPath
-
-	// InstallExecutable creates a rule to copy srcPath to name in the installPath directory,
-	// with the given additional dependencies.  The file is marked executable after copying.
-	//
-	// The installed file will be returned by FilesToInstall(), and the PackagingSpec for the
-	// installed file will be returned by PackagingSpecs() on this module or by
-	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
-	// for which IsInstallDepNeeded returns true.
-	InstallExecutable(installPath InstallPath, name string, srcPath Path, deps ...Path) InstallPath
-
-	// InstallFile creates a rule to copy srcPath to name in the installPath directory,
-	// with the given additional dependencies.
-	//
-	// The installed file will be returned by FilesToInstall(), and the PackagingSpec for the
-	// installed file will be returned by PackagingSpecs() on this module or by
-	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
-	// for which IsInstallDepNeeded returns true.
-	InstallFile(installPath InstallPath, name string, srcPath Path, deps ...Path) InstallPath
-
-	// InstallFileWithExtraFilesZip creates a rule to copy srcPath to name in the installPath
-	// directory, and also unzip a zip file containing extra files to install into the same
-	// directory.
-	//
-	// The installed file will be returned by FilesToInstall(), and the PackagingSpec for the
-	// installed file will be returned by PackagingSpecs() on this module or by
-	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
-	// for which IsInstallDepNeeded returns true.
-	InstallFileWithExtraFilesZip(installPath InstallPath, name string, srcPath Path, extraZip Path, deps ...Path) InstallPath
-
-	// InstallSymlink creates a rule to create a symlink from src srcPath to name in the installPath
-	// directory.
-	//
-	// The installed symlink will be returned by FilesToInstall(), and the PackagingSpec for the
-	// installed file will be returned by PackagingSpecs() on this module or by
-	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
-	// for which IsInstallDepNeeded returns true.
-	InstallSymlink(installPath InstallPath, name string, srcPath InstallPath) InstallPath
-
-	// InstallAbsoluteSymlink creates a rule to create an absolute symlink from src srcPath to name
-	// in the installPath directory.
-	//
-	// The installed symlink will be returned by FilesToInstall(), and the PackagingSpec for the
-	// installed file will be returned by PackagingSpecs() on this module or by
-	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
-	// for which IsInstallDepNeeded returns true.
-	InstallAbsoluteSymlink(installPath InstallPath, name string, absPath string) InstallPath
-
-	// PackageFile creates a PackagingSpec as if InstallFile was called, but without creating
-	// the rule to copy the file.  This is useful to define how a module would be packaged
-	// without installing it into the global installation directories.
-	//
-	// The created PackagingSpec for the will be returned by PackagingSpecs() on this module or by
-	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
-	// for which IsInstallDepNeeded returns true.
-	PackageFile(installPath InstallPath, name string, srcPath Path) PackagingSpec
-
-	CheckbuildFile(srcPath Path)
-
-	InstallInData() bool
-	InstallInTestcases() bool
-	InstallInSanitizerDir() bool
-	InstallInRamdisk() bool
-	InstallInVendorRamdisk() bool
-	InstallInDebugRamdisk() bool
-	InstallInRecovery() bool
-	InstallInRoot() bool
-	InstallInVendor() bool
-	InstallForceOS() (*OsType, *ArchType)
-
-	RequiredModuleNames() []string
-	HostRequiredModuleNames() []string
-	TargetRequiredModuleNames() []string
-
-	ModuleSubDir() string
-	SoongConfigTraceHash() string
-
-	Variable(pctx PackageContext, name, value string)
-	Rule(pctx PackageContext, name string, params blueprint.RuleParams, argNames ...string) blueprint.Rule
-	// Similar to blueprint.ModuleContext.Build, but takes Paths instead of []string,
-	// and performs more verification.
-	Build(pctx PackageContext, params BuildParams)
-	// Phony creates a Make-style phony rule, a rule with no commands that can depend on other
-	// phony rules or real files.  Phony can be called on the same name multiple times to add
-	// additional dependencies.
-	Phony(phony string, deps ...Path)
-
-	// GetMissingDependencies returns the list of dependencies that were passed to AddDependencies or related methods,
-	// but do not exist.
-	GetMissingDependencies() []string
-
-	// LicenseMetadataFile returns the path where the license metadata for this module will be
-	// generated.
-	LicenseMetadataFile() Path
-}
-
 type Module interface {
 	blueprint.Module
 
@@ -1677,18 +1209,6 @@
 	return m.commonProperties.BazelConversionStatus.Partition
 }
 
-// AddUnconvertedBp2buildDep stores module name of a dependency that was not converted to Bazel.
-func (b *baseModuleContext) AddUnconvertedBp2buildDep(dep string) {
-	unconvertedDeps := &b.Module().base().commonProperties.BazelConversionStatus.UnconvertedDeps
-	*unconvertedDeps = append(*unconvertedDeps, dep)
-}
-
-// AddMissingBp2buildDep stores module name of a dependency that was not found in a Android.bp file.
-func (b *baseModuleContext) AddMissingBp2buildDep(dep string) {
-	missingDeps := &b.Module().base().commonProperties.BazelConversionStatus.MissingDeps
-	*missingDeps = append(*missingDeps, dep)
-}
-
 // GetUnconvertedBp2buildDeps returns the list of module names of this module's direct dependencies that
 // were not converted to Bazel.
 func (m *ModuleBase) GetUnconvertedBp2buildDeps() []string {
@@ -2605,162 +2125,6 @@
 
 }
 
-type earlyModuleContext struct {
-	blueprint.EarlyModuleContext
-
-	kind   moduleKind
-	config Config
-}
-
-func (e *earlyModuleContext) Glob(globPattern string, excludes []string) Paths {
-	return Glob(e, globPattern, excludes)
-}
-
-func (e *earlyModuleContext) GlobFiles(globPattern string, excludes []string) Paths {
-	return GlobFiles(e, globPattern, excludes)
-}
-
-func (e *earlyModuleContext) IsSymlink(path Path) bool {
-	fileInfo, err := e.config.fs.Lstat(path.String())
-	if err != nil {
-		e.ModuleErrorf("os.Lstat(%q) failed: %s", path.String(), err)
-	}
-	return fileInfo.Mode()&os.ModeSymlink == os.ModeSymlink
-}
-
-func (e *earlyModuleContext) Readlink(path Path) string {
-	dest, err := e.config.fs.Readlink(path.String())
-	if err != nil {
-		e.ModuleErrorf("os.Readlink(%q) failed: %s", path.String(), err)
-	}
-	return dest
-}
-
-func (e *earlyModuleContext) Module() Module {
-	module, _ := e.EarlyModuleContext.Module().(Module)
-	return module
-}
-
-func (e *earlyModuleContext) Config() Config {
-	return e.EarlyModuleContext.Config().(Config)
-}
-
-func (e *earlyModuleContext) AConfig() Config {
-	return e.config
-}
-
-func (e *earlyModuleContext) DeviceConfig() DeviceConfig {
-	return DeviceConfig{e.config.deviceConfig}
-}
-
-func (e *earlyModuleContext) Platform() bool {
-	return e.kind == platformModule
-}
-
-func (e *earlyModuleContext) DeviceSpecific() bool {
-	return e.kind == deviceSpecificModule
-}
-
-func (e *earlyModuleContext) SocSpecific() bool {
-	return e.kind == socSpecificModule
-}
-
-func (e *earlyModuleContext) ProductSpecific() bool {
-	return e.kind == productSpecificModule
-}
-
-func (e *earlyModuleContext) SystemExtSpecific() bool {
-	return e.kind == systemExtSpecificModule
-}
-
-func (e *earlyModuleContext) Namespace() *Namespace {
-	return e.EarlyModuleContext.Namespace().(*Namespace)
-}
-
-type baseModuleContext struct {
-	bp blueprint.BaseModuleContext
-	earlyModuleContext
-	os            OsType
-	target        Target
-	multiTargets  []Target
-	targetPrimary bool
-
-	walkPath []Module
-	tagPath  []blueprint.DependencyTag
-
-	strictVisitDeps bool // If true, enforce that all dependencies are enabled
-
-	bazelConversionMode bool
-}
-
-func (b *baseModuleContext) isBazelConversionMode() bool {
-	return b.bazelConversionMode
-}
-func (b *baseModuleContext) OtherModuleName(m blueprint.Module) string {
-	return b.bp.OtherModuleName(m)
-}
-func (b *baseModuleContext) OtherModuleDir(m blueprint.Module) string { return b.bp.OtherModuleDir(m) }
-func (b *baseModuleContext) OtherModuleErrorf(m blueprint.Module, fmt string, args ...interface{}) {
-	b.bp.OtherModuleErrorf(m, fmt, args...)
-}
-func (b *baseModuleContext) OtherModuleDependencyTag(m blueprint.Module) blueprint.DependencyTag {
-	return b.bp.OtherModuleDependencyTag(m)
-}
-func (b *baseModuleContext) OtherModuleExists(name string) bool { return b.bp.OtherModuleExists(name) }
-func (b *baseModuleContext) OtherModuleDependencyVariantExists(variations []blueprint.Variation, name string) bool {
-	return b.bp.OtherModuleDependencyVariantExists(variations, name)
-}
-func (b *baseModuleContext) OtherModuleFarDependencyVariantExists(variations []blueprint.Variation, name string) bool {
-	return b.bp.OtherModuleFarDependencyVariantExists(variations, name)
-}
-func (b *baseModuleContext) OtherModuleReverseDependencyVariantExists(name string) bool {
-	return b.bp.OtherModuleReverseDependencyVariantExists(name)
-}
-func (b *baseModuleContext) OtherModuleType(m blueprint.Module) string {
-	return b.bp.OtherModuleType(m)
-}
-func (b *baseModuleContext) OtherModuleProvider(m blueprint.Module, provider blueprint.ProviderKey) interface{} {
-	return b.bp.OtherModuleProvider(m, provider)
-}
-func (b *baseModuleContext) OtherModuleHasProvider(m blueprint.Module, provider blueprint.ProviderKey) bool {
-	return b.bp.OtherModuleHasProvider(m, provider)
-}
-func (b *baseModuleContext) Provider(provider blueprint.ProviderKey) interface{} {
-	return b.bp.Provider(provider)
-}
-func (b *baseModuleContext) HasProvider(provider blueprint.ProviderKey) bool {
-	return b.bp.HasProvider(provider)
-}
-func (b *baseModuleContext) SetProvider(provider blueprint.ProviderKey, value interface{}) {
-	b.bp.SetProvider(provider, value)
-}
-
-func (b *baseModuleContext) GetDirectDepWithTag(name string, tag blueprint.DependencyTag) blueprint.Module {
-	return b.bp.GetDirectDepWithTag(name, tag)
-}
-
-func (b *baseModuleContext) blueprintBaseModuleContext() blueprint.BaseModuleContext {
-	return b.bp
-}
-
-type moduleContext struct {
-	bp blueprint.ModuleContext
-	baseModuleContext
-	packagingSpecs  []PackagingSpec
-	installFiles    InstallPaths
-	checkbuildFiles Paths
-	module          Module
-	phonies         map[string]Paths
-
-	katiInstalls []katiInstall
-	katiSymlinks []katiInstall
-
-	// For tests
-	buildParams []BuildParams
-	ruleParams  map[blueprint.Rule]blueprint.RuleParams
-	variables   map[string]string
-}
-
 // katiInstall stores a request from Soong to Make to create an install rule.
 type katiInstall struct {
 	from          Path
@@ -2804,525 +2168,6 @@
 	return paths
 }
 
-func (m *moduleContext) ninjaError(params BuildParams, err error) (PackageContext, BuildParams) {
-	return pctx, BuildParams{
-		Rule:            ErrorRule,
-		Description:     params.Description,
-		Output:          params.Output,
-		Outputs:         params.Outputs,
-		ImplicitOutput:  params.ImplicitOutput,
-		ImplicitOutputs: params.ImplicitOutputs,
-		Args: map[string]string{
-			"error": err.Error(),
-		},
-	}
-}
-
-func (m *moduleContext) ModuleBuild(pctx PackageContext, params ModuleBuildParams) {
-	m.Build(pctx, BuildParams(params))
-}
-
-func validateBuildParams(params blueprint.BuildParams) error {
-	// Validate that the symlink outputs are declared outputs or implicit outputs
-	allOutputs := map[string]bool{}
-	for _, output := range params.Outputs {
-		allOutputs[output] = true
-	}
-	for _, output := range params.ImplicitOutputs {
-		allOutputs[output] = true
-	}
-	for _, symlinkOutput := range params.SymlinkOutputs {
-		if !allOutputs[symlinkOutput] {
-			return fmt.Errorf(
-				"Symlink output %s is not a declared output or implicit output",
-				symlinkOutput)
-		}
-	}
-	return nil
-}
-
-// Convert build parameters from their concrete Android types into their string representations,
-// and combine the singular and plural fields of the same type (e.g. Output and Outputs).
-func convertBuildParams(params BuildParams) blueprint.BuildParams {
-	bparams := blueprint.BuildParams{
-		Rule:            params.Rule,
-		Description:     params.Description,
-		Deps:            params.Deps,
-		Outputs:         params.Outputs.Strings(),
-		ImplicitOutputs: params.ImplicitOutputs.Strings(),
-		SymlinkOutputs:  params.SymlinkOutputs.Strings(),
-		Inputs:          params.Inputs.Strings(),
-		Implicits:       params.Implicits.Strings(),
-		OrderOnly:       params.OrderOnly.Strings(),
-		Validations:     params.Validations.Strings(),
-		Args:            params.Args,
-		Optional:        !params.Default,
-	}
-
-	if params.Depfile != nil {
-		bparams.Depfile = params.Depfile.String()
-	}
-	if params.Output != nil {
-		bparams.Outputs = append(bparams.Outputs, params.Output.String())
-	}
-	if params.SymlinkOutput != nil {
-		bparams.SymlinkOutputs = append(bparams.SymlinkOutputs, params.SymlinkOutput.String())
-	}
-	if params.ImplicitOutput != nil {
-		bparams.ImplicitOutputs = append(bparams.ImplicitOutputs, params.ImplicitOutput.String())
-	}
-	if params.Input != nil {
-		bparams.Inputs = append(bparams.Inputs, params.Input.String())
-	}
-	if params.Implicit != nil {
-		bparams.Implicits = append(bparams.Implicits, params.Implicit.String())
-	}
-	if params.Validation != nil {
-		bparams.Validations = append(bparams.Validations, params.Validation.String())
-	}
-
-	bparams.Outputs = proptools.NinjaEscapeList(bparams.Outputs)
-	bparams.ImplicitOutputs = proptools.NinjaEscapeList(bparams.ImplicitOutputs)
-	bparams.SymlinkOutputs = proptools.NinjaEscapeList(bparams.SymlinkOutputs)
-	bparams.Inputs = proptools.NinjaEscapeList(bparams.Inputs)
-	bparams.Implicits = proptools.NinjaEscapeList(bparams.Implicits)
-	bparams.OrderOnly = proptools.NinjaEscapeList(bparams.OrderOnly)
-	bparams.Validations = proptools.NinjaEscapeList(bparams.Validations)
-	bparams.Depfile = proptools.NinjaEscape(bparams.Depfile)
-
-	return bparams
-}
-
-func (m *moduleContext) Variable(pctx PackageContext, name, value string) {
-	if m.config.captureBuild {
-		m.variables[name] = value
-	}
-
-	m.bp.Variable(pctx.PackageContext, name, value)
-}
-
-func (m *moduleContext) Rule(pctx PackageContext, name string, params blueprint.RuleParams,
-	argNames ...string) blueprint.Rule {
-
-	if m.config.UseRemoteBuild() {
-		if params.Pool == nil {
-			// When USE_GOMA=true or USE_RBE=true are set and the rule is not supported by goma/RBE, restrict
-			// jobs to the local parallelism value
-			params.Pool = localPool
-		} else if params.Pool == remotePool {
-			// remotePool is a fake pool used to identify rule that are supported for remoting. If the rule's
-			// pool is the remotePool, replace with nil so that ninja runs it at NINJA_REMOTE_NUM_JOBS
-			// parallelism.
-			params.Pool = nil
-		}
-	}
-
-	rule := m.bp.Rule(pctx.PackageContext, name, params, argNames...)
-
-	if m.config.captureBuild {
-		m.ruleParams[rule] = params
-	}
-
-	return rule
-}
-
-func (m *moduleContext) Build(pctx PackageContext, params BuildParams) {
-	if params.Description != "" {
-		params.Description = "${moduleDesc}" + params.Description + "${moduleDescSuffix}"
-	}
-
-	if missingDeps := m.GetMissingDependencies(); len(missingDeps) > 0 {
-		pctx, params = m.ninjaError(params, fmt.Errorf("module %s missing dependencies: %s\n",
-			m.ModuleName(), strings.Join(missingDeps, ", ")))
-	}
-
-	if m.config.captureBuild {
-		m.buildParams = append(m.buildParams, params)
-	}
-
-	bparams := convertBuildParams(params)
-	err := validateBuildParams(bparams)
-	if err != nil {
-		m.ModuleErrorf(
-			"%s: build parameter validation failed: %s",
-			m.ModuleName(),
-			err.Error())
-	}
-	m.bp.Build(pctx.PackageContext, bparams)
-}
-
-func (m *moduleContext) Phony(name string, deps ...Path) {
-	addPhony(m.config, name, deps...)
-}
-
-func (m *moduleContext) GetMissingDependencies() []string {
-	var missingDeps []string
-	missingDeps = append(missingDeps, m.Module().base().commonProperties.MissingDeps...)
-	missingDeps = append(missingDeps, m.bp.GetMissingDependencies()...)
-	missingDeps = FirstUniqueStrings(missingDeps)
-	return missingDeps
-}
-
-func (b *baseModuleContext) AddMissingDependencies(deps []string) {
-	if deps != nil {
-		missingDeps := &b.Module().base().commonProperties.MissingDeps
-		*missingDeps = append(*missingDeps, deps...)
-		*missingDeps = FirstUniqueStrings(*missingDeps)
-	}
-}
-
-func (b *baseModuleContext) checkedMissingDeps() bool {
-	return b.Module().base().commonProperties.CheckedMissingDeps
-}
-
-func (b *baseModuleContext) getMissingDependencies() []string {
-	checked := &b.Module().base().commonProperties.CheckedMissingDeps
-	*checked = true
-	var missingDeps []string
-	missingDeps = append(missingDeps, b.Module().base().commonProperties.MissingDeps...)
-	missingDeps = append(missingDeps, b.bp.EarlyGetMissingDependencies()...)
-	missingDeps = FirstUniqueStrings(missingDeps)
-	return missingDeps
-}
-
-type AllowDisabledModuleDependency interface {
-	blueprint.DependencyTag
-	AllowDisabledModuleDependency(target Module) bool
-}
-
-func (b *baseModuleContext) validateAndroidModule(module blueprint.Module, tag blueprint.DependencyTag, strict bool) Module {
-	aModule, _ := module.(Module)
-
-	if !strict {
-		return aModule
-	}
-
-	if aModule == nil {
-		b.ModuleErrorf("module %q (%#v) not an android module", b.OtherModuleName(module), tag)
-		return nil
-	}
-
-	if !aModule.Enabled() {
-		if t, ok := tag.(AllowDisabledModuleDependency); !ok || !t.AllowDisabledModuleDependency(aModule) {
-			if b.Config().AllowMissingDependencies() {
-				b.AddMissingDependencies([]string{b.OtherModuleName(aModule)})
-			} else {
-				b.ModuleErrorf("depends on disabled module %q", b.OtherModuleName(aModule))
-			}
-		}
-		return nil
-	}
-	return aModule
-}
-
-type dep struct {
-	mod blueprint.Module
-	tag blueprint.DependencyTag
-}
-
-func (b *baseModuleContext) getDirectDepsInternal(name string, tag blueprint.DependencyTag) []dep {
-	var deps []dep
-	b.VisitDirectDepsBlueprint(func(module blueprint.Module) {
-		if aModule, _ := module.(Module); aModule != nil {
-			if aModule.base().BaseModuleName() == name {
-				returnedTag := b.bp.OtherModuleDependencyTag(aModule)
-				if tag == nil || returnedTag == tag {
-					deps = append(deps, dep{aModule, returnedTag})
-				}
-			}
-		} else if b.bp.OtherModuleName(module) == name {
-			returnedTag := b.bp.OtherModuleDependencyTag(module)
-			if tag == nil || returnedTag == tag {
-				deps = append(deps, dep{module, returnedTag})
-			}
-		}
-	})
-	return deps
-}
-
-func (b *baseModuleContext) getDirectDepInternal(name string, tag blueprint.DependencyTag) (blueprint.Module, blueprint.DependencyTag) {
-	deps := b.getDirectDepsInternal(name, tag)
-	if len(deps) == 1 {
-		return deps[0].mod, deps[0].tag
-	} else if len(deps) >= 2 {
-		panic(fmt.Errorf("Multiple dependencies having same BaseModuleName() %q found from %q",
-			name, b.ModuleName()))
-	} else {
-		return nil, nil
-	}
-}
-
-func (b *baseModuleContext) getDirectDepFirstTag(name string) (blueprint.Module, blueprint.DependencyTag) {
-	foundDeps := b.getDirectDepsInternal(name, nil)
-	deps := map[blueprint.Module]bool{}
-	for _, dep := range foundDeps {
-		deps[dep.mod] = true
-	}
-	if len(deps) == 1 {
-		return foundDeps[0].mod, foundDeps[0].tag
-	} else if len(deps) >= 2 {
-		// this could happen if two dependencies have the same name in different namespaces
-		// TODO(b/186554727): this should not occur if namespaces are handled within
-		// getDirectDepsInternal.
-		panic(fmt.Errorf("Multiple dependencies having same BaseModuleName() %q found from %q",
-			name, b.ModuleName()))
-	} else {
-		return nil, nil
-	}
-}
-
-func (b *baseModuleContext) GetDirectDepsWithTag(tag blueprint.DependencyTag) []Module {
-	var deps []Module
-	b.VisitDirectDepsBlueprint(func(module blueprint.Module) {
-		if aModule, _ := module.(Module); aModule != nil {
-			if b.bp.OtherModuleDependencyTag(aModule) == tag {
-				deps = append(deps, aModule)
-			}
-		}
-	})
-	return deps
-}
-
-func (m *moduleContext) GetDirectDepWithTag(name string, tag blueprint.DependencyTag) blueprint.Module {
-	module, _ := m.getDirectDepInternal(name, tag)
-	return module
-}
-
-// GetDirectDep returns the Module and DependencyTag for the direct dependency with the specified
-// name, or nil if none exists. If there are multiple dependencies on the same module it returns the
-// first DependencyTag.
-func (b *baseModuleContext) GetDirectDep(name string) (blueprint.Module, blueprint.DependencyTag) {
-	return b.getDirectDepFirstTag(name)
-}
-
-func (b *baseModuleContext) ModuleFromName(name string) (blueprint.Module, bool) {
-	if !b.isBazelConversionMode() {
-		panic("cannot call ModuleFromName if not in bazel conversion mode")
-	}
-	var m blueprint.Module
-	var ok bool
-	if moduleName, _ := SrcIsModuleWithTag(name); moduleName != "" {
-		m, ok = b.bp.ModuleFromName(moduleName)
-	} else {
-		m, ok = b.bp.ModuleFromName(name)
-	}
-	if !ok {
-		return m, ok
-	}
-	// If this module is not preferred, tried to get the prebuilt version instead
-	if a, aOk := m.(Module); aOk && !IsModulePrebuilt(a) && !IsModulePreferred(a) {
-		return b.ModuleFromName("prebuilt_" + name)
-	}
-	return m, ok
-}
-
-func (b *baseModuleContext) VisitDirectDepsBlueprint(visit func(blueprint.Module)) {
-	b.bp.VisitDirectDeps(visit)
-}
-
-func (b *baseModuleContext) VisitDirectDeps(visit func(Module)) {
-	b.bp.VisitDirectDeps(func(module blueprint.Module) {
-		if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
-			visit(aModule)
-		}
-	})
-}
-
-func (b *baseModuleContext) VisitDirectDepsWithTag(tag blueprint.DependencyTag, visit func(Module)) {
-	b.bp.VisitDirectDeps(func(module blueprint.Module) {
-		if b.bp.OtherModuleDependencyTag(module) == tag {
-			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
-				visit(aModule)
-			}
-		}
-	})
-}
-
-func (b *baseModuleContext) VisitDirectDepsIf(pred func(Module) bool, visit func(Module)) {
-	b.bp.VisitDirectDepsIf(
-		// pred
-		func(module blueprint.Module) bool {
-			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
-				return pred(aModule)
-			} else {
-				return false
-			}
-		},
-		// visit
-		func(module blueprint.Module) {
-			visit(module.(Module))
-		})
-}
-
-func (b *baseModuleContext) VisitDepsDepthFirst(visit func(Module)) {
-	b.bp.VisitDepsDepthFirst(func(module blueprint.Module) {
-		if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
-			visit(aModule)
-		}
-	})
-}
-
-func (b *baseModuleContext) VisitDepsDepthFirstIf(pred func(Module) bool, visit func(Module)) {
-	b.bp.VisitDepsDepthFirstIf(
-		// pred
-		func(module blueprint.Module) bool {
-			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
-				return pred(aModule)
-			} else {
-				return false
-			}
-		},
-		// visit
-		func(module blueprint.Module) {
-			visit(module.(Module))
-		})
-}
-
-func (b *baseModuleContext) WalkDepsBlueprint(visit func(blueprint.Module, blueprint.Module) bool) {
-	b.bp.WalkDeps(visit)
-}
-
-func (b *baseModuleContext) WalkDeps(visit func(Module, Module) bool) {
-	b.walkPath = []Module{b.Module()}
-	b.tagPath = []blueprint.DependencyTag{}
-	b.bp.WalkDeps(func(child, parent blueprint.Module) bool {
-		childAndroidModule, _ := child.(Module)
-		parentAndroidModule, _ := parent.(Module)
-		if childAndroidModule != nil && parentAndroidModule != nil {
-			// record walkPath before visit
-			for b.walkPath[len(b.walkPath)-1] != parentAndroidModule {
-				b.walkPath = b.walkPath[0 : len(b.walkPath)-1]
-				b.tagPath = b.tagPath[0 : len(b.tagPath)-1]
-			}
-			b.walkPath = append(b.walkPath, childAndroidModule)
-			b.tagPath = append(b.tagPath, b.OtherModuleDependencyTag(childAndroidModule))
-			return visit(childAndroidModule, parentAndroidModule)
-		} else {
-			return false
-		}
-	})
-}
-
-func (b *baseModuleContext) GetWalkPath() []Module {
-	return b.walkPath
-}
-
-func (b *baseModuleContext) GetTagPath() []blueprint.DependencyTag {
-	return b.tagPath
-}
-
-func (b *baseModuleContext) VisitAllModuleVariants(visit func(Module)) {
-	b.bp.VisitAllModuleVariants(func(module blueprint.Module) {
-		visit(module.(Module))
-	})
-}
-
-func (b *baseModuleContext) PrimaryModule() Module {
-	return b.bp.PrimaryModule().(Module)
-}
-
-func (b *baseModuleContext) FinalModule() Module {
-	return b.bp.FinalModule().(Module)
-}
-
-// IsMetaDependencyTag returns true for cross-cutting metadata dependencies.
-func IsMetaDependencyTag(tag blueprint.DependencyTag) bool {
-	if tag == licenseKindTag {
-		return true
-	} else if tag == licensesTag {
-		return true
-	} else if tag == acDepTag {
-		return true
-	}
-	return false
-}
-
-// A regexp for removing boilerplate from BaseDependencyTag from the string representation of
-// a dependency tag.
-var tagCleaner = regexp.MustCompile(`\QBaseDependencyTag:{}\E(, )?`)
-
-// PrettyPrintTag returns string representation of the tag, but prefers
-// custom String() method if available.
-func PrettyPrintTag(tag blueprint.DependencyTag) string {
-	// Use tag's custom String() method if available.
-	if stringer, ok := tag.(fmt.Stringer); ok {
-		return stringer.String()
-	}
-
-	// Otherwise, get a default string representation of the tag's struct.
-	tagString := fmt.Sprintf("%T: %+v", tag, tag)
-
-	// Remove the boilerplate from BaseDependencyTag as it adds no value.
-	tagString = tagCleaner.ReplaceAllString(tagString, "")
-	return tagString
-}
-
-func (b *baseModuleContext) GetPathString(skipFirst bool) string {
-	sb := strings.Builder{}
-	tagPath := b.GetTagPath()
-	walkPath := b.GetWalkPath()
-	if !skipFirst {
-		sb.WriteString(walkPath[0].String())
-	}
-	for i, m := range walkPath[1:] {
-		sb.WriteString("\n")
-		sb.WriteString(fmt.Sprintf("           via tag %s\n", PrettyPrintTag(tagPath[i])))
-		sb.WriteString(fmt.Sprintf("    -> %s", m.String()))
-	}
-	return sb.String()
-}
-
-func (m *moduleContext) ModuleSubDir() string {
-	return m.bp.ModuleSubDir()
-}
-
-func (m *moduleContext) SoongConfigTraceHash() string {
-	return m.module.base().commonProperties.SoongConfigTraceHash
-}
-
-func (b *baseModuleContext) Target() Target {
-	return b.target
-}
-
-func (b *baseModuleContext) TargetPrimary() bool {
-	return b.targetPrimary
-}
-
-func (b *baseModuleContext) MultiTargets() []Target {
-	return b.multiTargets
-}
-
-func (b *baseModuleContext) Arch() Arch {
-	return b.target.Arch
-}
-
-func (b *baseModuleContext) Os() OsType {
-	return b.os
-}
-
-func (b *baseModuleContext) Host() bool {
-	return b.os.Class == Host
-}
-
-func (b *baseModuleContext) Device() bool {
-	return b.os.Class == Device
-}
-
-func (b *baseModuleContext) Darwin() bool {
-	return b.os == Darwin
-}
-
-func (b *baseModuleContext) Windows() bool {
-	return b.os == Windows
-}
-
-func (b *baseModuleContext) PrimaryArch() bool {
-	if len(b.config.Targets[b.target.Os]) <= 1 {
-		return true
-	}
-	return b.target.Arch.ArchType == b.config.Targets[b.target.Os][0].Arch.ArchType
-}
-
 // Makes this module a platform module, i.e. not specific to soc, device,
 // product, or system_ext.
 func (m *ModuleBase) MakeAsPlatform() {
@@ -3346,274 +2191,6 @@
 	return proptools.Bool(m.commonProperties.Native_bridge_supported)
 }
 
-func (m *moduleContext) InstallInData() bool {
-	return m.module.InstallInData()
-}
-
-func (m *moduleContext) InstallInTestcases() bool {
-	return m.module.InstallInTestcases()
-}
-
-func (m *moduleContext) InstallInSanitizerDir() bool {
-	return m.module.InstallInSanitizerDir()
-}
-
-func (m *moduleContext) InstallInRamdisk() bool {
-	return m.module.InstallInRamdisk()
-}
-
-func (m *moduleContext) InstallInVendorRamdisk() bool {
-	return m.module.InstallInVendorRamdisk()
-}
-
-func (m *moduleContext) InstallInDebugRamdisk() bool {
-	return m.module.InstallInDebugRamdisk()
-}
-
-func (m *moduleContext) InstallInRecovery() bool {
-	return m.module.InstallInRecovery()
-}
-
-func (m *moduleContext) InstallInRoot() bool {
-	return m.module.InstallInRoot()
-}
-
-func (m *moduleContext) InstallForceOS() (*OsType, *ArchType) {
-	return m.module.InstallForceOS()
-}
-
-func (m *moduleContext) InstallInVendor() bool {
-	return m.module.InstallInVendor()
-}
-
-func (m *moduleContext) skipInstall() bool {
-	if m.module.base().commonProperties.SkipInstall {
-		return true
-	}
-
-	if m.module.base().commonProperties.HideFromMake {
-		return true
-	}
-
-	// We'll need a solution for choosing which of modules with the same name in different
-	// namespaces to install.  For now, reuse the list of namespaces exported to Make as the
-	// list of namespaces to install in a Soong-only build.
-	if !m.module.base().commonProperties.NamespaceExportedToMake {
-		return true
-	}
-
-	return false
-}
-
-func (m *moduleContext) InstallFile(installPath InstallPath, name string, srcPath Path,
-	deps ...Path) InstallPath {
-	return m.installFile(installPath, name, srcPath, deps, false, nil)
-}
-
-func (m *moduleContext) InstallExecutable(installPath InstallPath, name string, srcPath Path,
-	deps ...Path) InstallPath {
-	return m.installFile(installPath, name, srcPath, deps, true, nil)
-}
-
-func (m *moduleContext) InstallFileWithExtraFilesZip(installPath InstallPath, name string, srcPath Path,
-	extraZip Path, deps ...Path) InstallPath {
-	return m.installFile(installPath, name, srcPath, deps, false, &extraFilesZip{
-		zip: extraZip,
-		dir: installPath,
-	})
-}
-
-func (m *moduleContext) PackageFile(installPath InstallPath, name string, srcPath Path) PackagingSpec {
-	fullInstallPath := installPath.Join(m, name)
-	return m.packageFile(fullInstallPath, srcPath, false)
-}
-
-func (m *moduleContext) packageFile(fullInstallPath InstallPath, srcPath Path, executable bool) PackagingSpec {
-	licenseFiles := m.Module().EffectiveLicenseFiles()
-	spec := PackagingSpec{
-		relPathInPackage:      Rel(m, fullInstallPath.PartitionDir(), fullInstallPath.String()),
-		srcPath:               srcPath,
-		symlinkTarget:         "",
-		executable:            executable,
-		effectiveLicenseFiles: &licenseFiles,
-		partition:             fullInstallPath.partition,
-	}
-	m.packagingSpecs = append(m.packagingSpecs, spec)
-	return spec
-}
-
-func (m *moduleContext) installFile(installPath InstallPath, name string, srcPath Path, deps []Path,
-	executable bool, extraZip *extraFilesZip) InstallPath {
-
-	fullInstallPath := installPath.Join(m, name)
-	m.module.base().hooks.runInstallHooks(m, srcPath, fullInstallPath, false)
-
-	if !m.skipInstall() {
-		deps = append(deps, InstallPaths(m.module.base().installFilesDepSet.ToList()).Paths()...)
-
-		var implicitDeps, orderOnlyDeps Paths
-
-		if m.Host() {
-			// Installed host modules might be used during the build, depend directly on their
-			// dependencies so their timestamp is updated whenever their dependency is updated
-			implicitDeps = deps
-		} else {
-			orderOnlyDeps = deps
-		}
-
-		if m.Config().KatiEnabled() {
-			// When creating the install rule in Soong but embedding in Make, write the rule to a
-			// makefile instead of directly to the ninja file so that main.mk can add the
-			// dependencies from the `required` property that are hard to resolve in Soong.
-			m.katiInstalls = append(m.katiInstalls, katiInstall{
-				from:          srcPath,
-				to:            fullInstallPath,
-				implicitDeps:  implicitDeps,
-				orderOnlyDeps: orderOnlyDeps,
-				executable:    executable,
-				extraFiles:    extraZip,
-			})
-		} else {
-			rule := Cp
-			if executable {
-				rule = CpExecutable
-			}
-
-			extraCmds := ""
-			if extraZip != nil {
-				extraCmds += fmt.Sprintf(" && ( unzip -qDD -d '%s' '%s' 2>&1 | grep -v \"zipfile is empty\"; exit $${PIPESTATUS[0]} )",
-					extraZip.dir.String(), extraZip.zip.String())
-				extraCmds += " || ( code=$$?; if [ $$code -ne 0 -a $$code -ne 1 ]; then exit $$code; fi )"
-				implicitDeps = append(implicitDeps, extraZip.zip)
-			}
-
-			m.Build(pctx, BuildParams{
-				Rule:        rule,
-				Description: "install " + fullInstallPath.Base(),
-				Output:      fullInstallPath,
-				Input:       srcPath,
-				Implicits:   implicitDeps,
-				OrderOnly:   orderOnlyDeps,
-				Default:     !m.Config().KatiEnabled(),
-				Args: map[string]string{
-					"extraCmds": extraCmds,
-				},
-			})
-		}
-
-		m.installFiles = append(m.installFiles, fullInstallPath)
-	}
-
-	m.packageFile(fullInstallPath, srcPath, executable)
-
-	m.checkbuildFiles = append(m.checkbuildFiles, srcPath)
-
-	return fullInstallPath
-}
-
-func (m *moduleContext) InstallSymlink(installPath InstallPath, name string, srcPath InstallPath) InstallPath {
-	fullInstallPath := installPath.Join(m, name)
-	m.module.base().hooks.runInstallHooks(m, srcPath, fullInstallPath, true)
-
-	relPath, err := filepath.Rel(path.Dir(fullInstallPath.String()), srcPath.String())
-	if err != nil {
-		panic(fmt.Sprintf("Unable to generate symlink between %q and %q: %s", fullInstallPath.Base(), srcPath.Base(), err))
-	}
-	if !m.skipInstall() {
-
-		if m.Config().KatiEnabled() {
-			// When creating the symlink rule in Soong but embedding in Make, write the rule to a
-			// makefile instead of directly to the ninja file so that main.mk can add the
-			// dependencies from the `required` property that are hard to resolve in Soong.
-			m.katiSymlinks = append(m.katiSymlinks, katiInstall{
-				from: srcPath,
-				to:   fullInstallPath,
-			})
-		} else {
-			// The symlink doesn't need updating when the target is modified, but we sometimes
-			// have a dependency on a symlink to a binary instead of to the binary directly, and
-			// the mtime of the symlink must be updated when the binary is modified, so use a
-			// normal dependency here instead of an order-only dependency.
-			m.Build(pctx, BuildParams{
-				Rule:        Symlink,
-				Description: "install symlink " + fullInstallPath.Base(),
-				Output:      fullInstallPath,
-				Input:       srcPath,
-				Default:     !m.Config().KatiEnabled(),
-				Args: map[string]string{
-					"fromPath": relPath,
-				},
-			})
-		}
-
-		m.installFiles = append(m.installFiles, fullInstallPath)
-		m.checkbuildFiles = append(m.checkbuildFiles, srcPath)
-	}
-
-	m.packagingSpecs = append(m.packagingSpecs, PackagingSpec{
-		relPathInPackage: Rel(m, fullInstallPath.PartitionDir(), fullInstallPath.String()),
-		srcPath:          nil,
-		symlinkTarget:    relPath,
-		executable:       false,
-		partition:        fullInstallPath.partition,
-	})
-
-	return fullInstallPath
-}
-
-// installPath/name -> absPath where absPath might be a path that is available only at runtime
-// (e.g. /apex/...)
-func (m *moduleContext) InstallAbsoluteSymlink(installPath InstallPath, name string, absPath string) InstallPath {
-	fullInstallPath := installPath.Join(m, name)
-	m.module.base().hooks.runInstallHooks(m, nil, fullInstallPath, true)
-
-	if !m.skipInstall() {
-		if m.Config().KatiEnabled() {
-			// When creating the symlink rule in Soong but embedding in Make, write the rule to a
-			// makefile instead of directly to the ninja file so that main.mk can add the
-			// dependencies from the `required` property that are hard to resolve in Soong.
-			m.katiSymlinks = append(m.katiSymlinks, katiInstall{
-				absFrom: absPath,
-				to:      fullInstallPath,
-			})
-		} else {
-			m.Build(pctx, BuildParams{
-				Rule:        Symlink,
-				Description: "install symlink " + fullInstallPath.Base() + " -> " + absPath,
-				Output:      fullInstallPath,
-				Default:     !m.Config().KatiEnabled(),
-				Args: map[string]string{
-					"fromPath": absPath,
-				},
-			})
-		}
-
-		m.installFiles = append(m.installFiles, fullInstallPath)
-	}
-
-	m.packagingSpecs = append(m.packagingSpecs, PackagingSpec{
-		relPathInPackage: Rel(m, fullInstallPath.PartitionDir(), fullInstallPath.String()),
-		srcPath:          nil,
-		symlinkTarget:    absPath,
-		executable:       false,
-		partition:        fullInstallPath.partition,
-	})
-
-	return fullInstallPath
-}
-
-func (m *moduleContext) CheckbuildFile(srcPath Path) {
-	m.checkbuildFiles = append(m.checkbuildFiles, srcPath)
-}
-
-func (m *moduleContext) blueprintModuleContext() blueprint.ModuleContext {
-	return m.bp
-}
-
-func (m *moduleContext) LicenseMetadataFile() Path {
-	return m.module.base().licenseMetadataFile
-}
-
 // SrcIsModule decodes module references in the format ":unqualified-name" or "//namespace:name"
 // into the module name, or empty string if the input was not a module reference.
 func SrcIsModule(s string) (module string) {
@@ -3820,44 +2397,6 @@
 	HostToolPath() OptionalPath
 }
 
-// Returns a list of paths expanded from globs and modules referenced using ":module" syntax.  The property must
-// be tagged with `android:"path" to support automatic source module dependency resolution.
-//
-// Deprecated: use PathsForModuleSrc or PathsForModuleSrcExcludes instead.
-func (m *moduleContext) ExpandSources(srcFiles, excludes []string) Paths {
-	return PathsForModuleSrcExcludes(m, srcFiles, excludes)
-}
-
-// Returns a single path expanded from globs and modules referenced using ":module" syntax.  The property must
-// be tagged with `android:"path" to support automatic source module dependency resolution.
-//
-// Deprecated: use PathForModuleSrc instead.
-func (m *moduleContext) ExpandSource(srcFile, _ string) Path {
-	return PathForModuleSrc(m, srcFile)
-}
-
-// Returns an optional single path expanded from globs and modules referenced using ":module" syntax if
-// the srcFile is non-nil.  The property must be tagged with `android:"path" to support automatic source module
-// dependency resolution.
-func (m *moduleContext) ExpandOptionalSource(srcFile *string, _ string) OptionalPath {
-	if srcFile != nil {
-		return OptionalPathForPath(PathForModuleSrc(m, *srcFile))
-	}
-	return OptionalPath{}
-}
-
-func (m *moduleContext) RequiredModuleNames() []string {
-	return m.module.RequiredModuleNames()
-}
-
-func (m *moduleContext) HostRequiredModuleNames() []string {
-	return m.module.HostRequiredModuleNames()
-}
-
-func (m *moduleContext) TargetRequiredModuleNames() []string {
-	return m.module.TargetRequiredModuleNames()
-}
-
 func init() {
 	RegisterParallelSingletonType("buildtarget", BuildTargetSingleton)
 	RegisterParallelSingletonType("soongconfigtrace", soongConfigTraceSingletonFunc)
diff --git a/android/module_context.go b/android/module_context.go
new file mode 100644
index 0000000..a0a4104
--- /dev/null
+++ b/android/module_context.go
@@ -0,0 +1,698 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package android
+
+import (
+	"fmt"
+	"github.com/google/blueprint"
+	"github.com/google/blueprint/proptools"
+	"path"
+	"path/filepath"
+	"strings"
+)
+
+// BuildParameters describes the set of potential parameters to build a Ninja rule.
+// In general, these correspond to a Ninja concept.
+type BuildParams struct {
+	// A Ninja Rule that will be written to the Ninja file. This allows factoring out common code
+	// among multiple modules to reduce repetition in the Ninja file of action requirements. A rule
+	// can contain variables that should be provided in Args.
+	Rule blueprint.Rule
+	// Deps represents the depfile format. When using RuleBuilder, this defaults to GCC when depfiles
+	// are used.
+	Deps blueprint.Deps
+	// Depfile is a writeable path that allows correct incremental builds when the inputs have not
+	// been fully specified by the Ninja rule. Ninja supports a subset of the Makefile depfile syntax.
+	Depfile WritablePath
+	// A description of the build action.
+	Description string
+	// Output is an output file of the action. When using this field, references to $out in the Ninja
+	// command will refer to this file.
+	Output WritablePath
+	// Outputs is a slice of output file of the action. When using this field, references to $out in
+	// the Ninja command will refer to these files.
+	Outputs WritablePaths
+	// SymlinkOutput is an output file specifically that is a symlink.
+	SymlinkOutput WritablePath
+	// SymlinkOutputs is a slice of output files specifically that is a symlink.
+	SymlinkOutputs WritablePaths
+	// ImplicitOutput is an output file generated by the action. Note: references to `$out` in the
+	// Ninja command will NOT include references to this file.
+	ImplicitOutput WritablePath
+	// ImplicitOutputs is a slice of output files generated by the action. Note: references to `$out`
+	// in the Ninja command will NOT include references to these files.
+	ImplicitOutputs WritablePaths
+	// Input is an input file to the Ninja action. When using this field, references to $in in the
+	// Ninja command will refer to this file.
+	Input Path
+	// Inputs is a slice of input files to the Ninja action. When using this field, references to $in
+	// in the Ninja command will refer to these files.
+	Inputs Paths
+	// Implicit is an input file to the Ninja action. Note: references to `$in` in the Ninja command
+	// will NOT include references to this file.
+	Implicit Path
+	// Implicits is a slice of input files to the Ninja action. Note: references to `$in` in the Ninja
+	// command will NOT include references to these files.
+	Implicits Paths
+	// OrderOnly are Ninja order-only inputs to the action. When these are out of date, the output is
+	// not rebuilt until they are built, but changes in order-only dependencies alone do not cause the
+	// output to be rebuilt.
+	OrderOnly Paths
+	// Validation is an output path for a validation action. Validation outputs imply lower
+	// non-blocking priority to building non-validation outputs.
+	Validation Path
+	// Validations is a slice of output path for a validation action. Validation outputs imply lower
+	// non-blocking priority to building non-validation outputs.
+	Validations Paths
+	// Whether to skip outputting a default target statement which will be built by Ninja when no
+	// targets are specified on Ninja's command line.
+	Default bool
+	// Args is a key value mapping for replacements of variables within the Rule
+	Args map[string]string
+}
+
+type ModuleBuildParams BuildParams
+
+type ModuleContext interface {
+	BaseModuleContext
+
+	blueprintModuleContext() blueprint.ModuleContext
+
+	// Deprecated: use ModuleContext.Build instead.
+	ModuleBuild(pctx PackageContext, params ModuleBuildParams)
+
+	// Returns a list of paths expanded from globs and modules referenced using ":module" syntax.  The property must
+	// be tagged with `android:"path" to support automatic source module dependency resolution.
+	//
+	// Deprecated: use PathsForModuleSrc or PathsForModuleSrcExcludes instead.
+	ExpandSources(srcFiles, excludes []string) Paths
+
+	// Returns a single path expanded from globs and modules referenced using ":module" syntax.  The property must
+	// be tagged with `android:"path" to support automatic source module dependency resolution.
+	//
+	// Deprecated: use PathForModuleSrc instead.
+	ExpandSource(srcFile, prop string) Path
+
+	ExpandOptionalSource(srcFile *string, prop string) OptionalPath
+
+	// InstallExecutable creates a rule to copy srcPath to name in the installPath directory,
+	// with the given additional dependencies.  The file is marked executable after copying.
+	//
+	// The installed file will be returned by FilesToInstall(), and the PackagingSpec for the
+	// installed file will be returned by PackagingSpecs() on this module or by
+	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
+	// for which IsInstallDepNeeded returns true.
+	InstallExecutable(installPath InstallPath, name string, srcPath Path, deps ...InstallPath) InstallPath
+
+	// InstallFile creates a rule to copy srcPath to name in the installPath directory,
+	// with the given additional dependencies.
+	//
+	// The installed file will be returned by FilesToInstall(), and the PackagingSpec for the
+	// installed file will be returned by PackagingSpecs() on this module or by
+	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
+	// for which IsInstallDepNeeded returns true.
+	InstallFile(installPath InstallPath, name string, srcPath Path, deps ...InstallPath) InstallPath
+
+	// InstallFileWithExtraFilesZip creates a rule to copy srcPath to name in the installPath
+	// directory, and also unzip a zip file containing extra files to install into the same
+	// directory.
+	//
+	// The installed file will be returned by FilesToInstall(), and the PackagingSpec for the
+	// installed file will be returned by PackagingSpecs() on this module or by
+	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
+	// for which IsInstallDepNeeded returns true.
+	InstallFileWithExtraFilesZip(installPath InstallPath, name string, srcPath Path, extraZip Path, deps ...InstallPath) InstallPath
+
+	// InstallSymlink creates a rule to create a symlink from src srcPath to name in the installPath
+	// directory.
+	//
+	// The installed symlink will be returned by FilesToInstall(), and the PackagingSpec for the
+	// installed file will be returned by PackagingSpecs() on this module or by
+	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
+	// for which IsInstallDepNeeded returns true.
+	InstallSymlink(installPath InstallPath, name string, srcPath InstallPath) InstallPath
+
+	// InstallAbsoluteSymlink creates a rule to create an absolute symlink from src srcPath to name
+	// in the installPath directory.
+	//
+	// The installed symlink will be returned by FilesToInstall(), and the PackagingSpec for the
+	// installed file will be returned by PackagingSpecs() on this module or by
+	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
+	// for which IsInstallDepNeeded returns true.
+	InstallAbsoluteSymlink(installPath InstallPath, name string, absPath string) InstallPath
+
+	// PackageFile creates a PackagingSpec as if InstallFile was called, but without creating
+	// the rule to copy the file.  This is useful to define how a module would be packaged
+	// without installing it into the global installation directories.
+	//
+	// The created PackagingSpec for the will be returned by PackagingSpecs() on this module or by
+	// TransitivePackagingSpecs() on modules that depend on this module through dependency tags
+	// for which IsInstallDepNeeded returns true.
+	PackageFile(installPath InstallPath, name string, srcPath Path) PackagingSpec
+
+	CheckbuildFile(srcPath Path)
+
+	InstallInData() bool
+	InstallInTestcases() bool
+	InstallInSanitizerDir() bool
+	InstallInRamdisk() bool
+	InstallInVendorRamdisk() bool
+	InstallInDebugRamdisk() bool
+	InstallInRecovery() bool
+	InstallInRoot() bool
+	InstallInVendor() bool
+	InstallForceOS() (*OsType, *ArchType)
+
+	RequiredModuleNames() []string
+	HostRequiredModuleNames() []string
+	TargetRequiredModuleNames() []string
+
+	ModuleSubDir() string
+	SoongConfigTraceHash() string
+
+	Variable(pctx PackageContext, name, value string)
+	Rule(pctx PackageContext, name string, params blueprint.RuleParams, argNames ...string) blueprint.Rule
+	// Similar to blueprint.ModuleContext.Build, but takes Paths instead of []string,
+	// and performs more verification.
+	Build(pctx PackageContext, params BuildParams)
+	// Phony creates a Make-style phony rule, a rule with no commands that can depend on other
+	// phony rules or real files.  Phony can be called on the same name multiple times to add
+	// additional dependencies.
+	Phony(phony string, deps ...Path)
+
+	// GetMissingDependencies returns the list of dependencies that were passed to AddDependencies or related methods,
+	// but do not exist.
+	GetMissingDependencies() []string
+
+	// LicenseMetadataFile returns the path where the license metadata for this module will be
+	// generated.
+	LicenseMetadataFile() Path
+}
+
+type moduleContext struct {
+	bp blueprint.ModuleContext
+	baseModuleContext
+	packagingSpecs  []PackagingSpec
+	installFiles    InstallPaths
+	checkbuildFiles Paths
+	module          Module
+	phonies         map[string]Paths
+
+	katiInstalls []katiInstall
+	katiSymlinks []katiInstall
+
+	// For tests
+	buildParams []BuildParams
+	ruleParams  map[blueprint.Rule]blueprint.RuleParams
+	variables   map[string]string
+}
+
+func (m *moduleContext) ninjaError(params BuildParams, err error) (PackageContext, BuildParams) {
+	return pctx, BuildParams{
+		Rule:            ErrorRule,
+		Description:     params.Description,
+		Output:          params.Output,
+		Outputs:         params.Outputs,
+		ImplicitOutput:  params.ImplicitOutput,
+		ImplicitOutputs: params.ImplicitOutputs,
+		Args: map[string]string{
+			"error": err.Error(),
+		},
+	}
+}
+
+func (m *moduleContext) ModuleBuild(pctx PackageContext, params ModuleBuildParams) {
+	m.Build(pctx, BuildParams(params))
+}
+
+func validateBuildParams(params blueprint.BuildParams) error {
+	// Validate that the symlink outputs are declared outputs or implicit outputs
+	allOutputs := map[string]bool{}
+	for _, output := range params.Outputs {
+		allOutputs[output] = true
+	}
+	for _, output := range params.ImplicitOutputs {
+		allOutputs[output] = true
+	}
+	for _, symlinkOutput := range params.SymlinkOutputs {
+		if !allOutputs[symlinkOutput] {
+			return fmt.Errorf(
+				"Symlink output %s is not a declared output or implicit output",
+				symlinkOutput)
+		}
+	}
+	return nil
+}
+
+// Convert build parameters from their concrete Android types into their string representations,
+// and combine the singular and plural fields of the same type (e.g. Output and Outputs).
+func convertBuildParams(params BuildParams) blueprint.BuildParams {
+	bparams := blueprint.BuildParams{
+		Rule:            params.Rule,
+		Description:     params.Description,
+		Deps:            params.Deps,
+		Outputs:         params.Outputs.Strings(),
+		ImplicitOutputs: params.ImplicitOutputs.Strings(),
+		SymlinkOutputs:  params.SymlinkOutputs.Strings(),
+		Inputs:          params.Inputs.Strings(),
+		Implicits:       params.Implicits.Strings(),
+		OrderOnly:       params.OrderOnly.Strings(),
+		Validations:     params.Validations.Strings(),
+		Args:            params.Args,
+		Optional:        !params.Default,
+	}
+
+	if params.Depfile != nil {
+		bparams.Depfile = params.Depfile.String()
+	}
+	if params.Output != nil {
+		bparams.Outputs = append(bparams.Outputs, params.Output.String())
+	}
+	if params.SymlinkOutput != nil {
+		bparams.SymlinkOutputs = append(bparams.SymlinkOutputs, params.SymlinkOutput.String())
+	}
+	if params.ImplicitOutput != nil {
+		bparams.ImplicitOutputs = append(bparams.ImplicitOutputs, params.ImplicitOutput.String())
+	}
+	if params.Input != nil {
+		bparams.Inputs = append(bparams.Inputs, params.Input.String())
+	}
+	if params.Implicit != nil {
+		bparams.Implicits = append(bparams.Implicits, params.Implicit.String())
+	}
+	if params.Validation != nil {
+		bparams.Validations = append(bparams.Validations, params.Validation.String())
+	}
+
+	bparams.Outputs = proptools.NinjaEscapeList(bparams.Outputs)
+	bparams.ImplicitOutputs = proptools.NinjaEscapeList(bparams.ImplicitOutputs)
+	bparams.SymlinkOutputs = proptools.NinjaEscapeList(bparams.SymlinkOutputs)
+	bparams.Inputs = proptools.NinjaEscapeList(bparams.Inputs)
+	bparams.Implicits = proptools.NinjaEscapeList(bparams.Implicits)
+	bparams.OrderOnly = proptools.NinjaEscapeList(bparams.OrderOnly)
+	bparams.Validations = proptools.NinjaEscapeList(bparams.Validations)
+	bparams.Depfile = proptools.NinjaEscape(bparams.Depfile)
+
+	return bparams
+}
+
+func (m *moduleContext) Variable(pctx PackageContext, name, value string) {
+	if m.config.captureBuild {
+		m.variables[name] = value
+	}
+
+	m.bp.Variable(pctx.PackageContext, name, value)
+}
+
+func (m *moduleContext) Rule(pctx PackageContext, name string, params blueprint.RuleParams,
+	argNames ...string) blueprint.Rule {
+
+	if m.config.UseRemoteBuild() {
+		if params.Pool == nil {
+			// When USE_GOMA=true or USE_RBE=true are set and the rule is not supported by goma/RBE, restrict
+			// jobs to the local parallelism value
+			params.Pool = localPool
+		} else if params.Pool == remotePool {
+			// remotePool is a fake pool used to identify rule that are supported for remoting. If the rule's
+			// pool is the remotePool, replace with nil so that ninja runs it at NINJA_REMOTE_NUM_JOBS
+			// parallelism.
+			params.Pool = nil
+		}
+	}
+
+	rule := m.bp.Rule(pctx.PackageContext, name, params, argNames...)
+
+	if m.config.captureBuild {
+		m.ruleParams[rule] = params
+	}
+
+	return rule
+}
+
+func (m *moduleContext) Build(pctx PackageContext, params BuildParams) {
+	if params.Description != "" {
+		params.Description = "${moduleDesc}" + params.Description + "${moduleDescSuffix}"
+	}
+
+	if missingDeps := m.GetMissingDependencies(); len(missingDeps) > 0 {
+		pctx, params = m.ninjaError(params, fmt.Errorf("module %s missing dependencies: %s\n",
+			m.ModuleName(), strings.Join(missingDeps, ", ")))
+	}
+
+	if m.config.captureBuild {
+		m.buildParams = append(m.buildParams, params)
+	}
+
+	bparams := convertBuildParams(params)
+	err := validateBuildParams(bparams)
+	if err != nil {
+		m.ModuleErrorf(
+			"%s: build parameter validation failed: %s",
+			m.ModuleName(),
+			err.Error())
+	}
+	m.bp.Build(pctx.PackageContext, bparams)
+}
+
+func (m *moduleContext) Phony(name string, deps ...Path) {
+	addPhony(m.config, name, deps...)
+}
+
+func (m *moduleContext) GetMissingDependencies() []string {
+	var missingDeps []string
+	missingDeps = append(missingDeps, m.Module().base().commonProperties.MissingDeps...)
+	missingDeps = append(missingDeps, m.bp.GetMissingDependencies()...)
+	missingDeps = FirstUniqueStrings(missingDeps)
+	return missingDeps
+}
+
+func (m *moduleContext) GetDirectDepWithTag(name string, tag blueprint.DependencyTag) blueprint.Module {
+	module, _ := m.getDirectDepInternal(name, tag)
+	return module
+}
+
+func (m *moduleContext) ModuleSubDir() string {
+	return m.bp.ModuleSubDir()
+}
+
+func (m *moduleContext) SoongConfigTraceHash() string {
+	return m.module.base().commonProperties.SoongConfigTraceHash
+}
+
+func (m *moduleContext) InstallInData() bool {
+	return m.module.InstallInData()
+}
+
+func (m *moduleContext) InstallInTestcases() bool {
+	return m.module.InstallInTestcases()
+}
+
+func (m *moduleContext) InstallInSanitizerDir() bool {
+	return m.module.InstallInSanitizerDir()
+}
+
+func (m *moduleContext) InstallInRamdisk() bool {
+	return m.module.InstallInRamdisk()
+}
+
+func (m *moduleContext) InstallInVendorRamdisk() bool {
+	return m.module.InstallInVendorRamdisk()
+}
+
+func (m *moduleContext) InstallInDebugRamdisk() bool {
+	return m.module.InstallInDebugRamdisk()
+}
+
+func (m *moduleContext) InstallInRecovery() bool {
+	return m.module.InstallInRecovery()
+}
+
+func (m *moduleContext) InstallInRoot() bool {
+	return m.module.InstallInRoot()
+}
+
+func (m *moduleContext) InstallForceOS() (*OsType, *ArchType) {
+	return m.module.InstallForceOS()
+}
+
+func (m *moduleContext) InstallInVendor() bool {
+	return m.module.InstallInVendor()
+}
+
+func (m *moduleContext) skipInstall() bool {
+	if m.module.base().commonProperties.SkipInstall {
+		return true
+	}
+
+	if m.module.base().commonProperties.HideFromMake {
+		return true
+	}
+
+	// We'll need a solution for choosing which of modules with the same name in different
+	// namespaces to install.  For now, reuse the list of namespaces exported to Make as the
+	// list of namespaces to install in a Soong-only build.
+	if !m.module.base().commonProperties.NamespaceExportedToMake {
+		return true
+	}
+
+	return false
+}
+
+func (m *moduleContext) InstallFile(installPath InstallPath, name string, srcPath Path,
+	deps ...InstallPath) InstallPath {
+	return m.installFile(installPath, name, srcPath, deps, false, nil)
+}
+
+func (m *moduleContext) InstallExecutable(installPath InstallPath, name string, srcPath Path,
+	deps ...InstallPath) InstallPath {
+	return m.installFile(installPath, name, srcPath, deps, true, nil)
+}
+
+func (m *moduleContext) InstallFileWithExtraFilesZip(installPath InstallPath, name string, srcPath Path,
+	extraZip Path, deps ...InstallPath) InstallPath {
+	return m.installFile(installPath, name, srcPath, deps, false, &extraFilesZip{
+		zip: extraZip,
+		dir: installPath,
+	})
+}
+
+func (m *moduleContext) PackageFile(installPath InstallPath, name string, srcPath Path) PackagingSpec {
+	fullInstallPath := installPath.Join(m, name)
+	return m.packageFile(fullInstallPath, srcPath, false)
+}
+
+func (m *moduleContext) packageFile(fullInstallPath InstallPath, srcPath Path, executable bool) PackagingSpec {
+	licenseFiles := m.Module().EffectiveLicenseFiles()
+	spec := PackagingSpec{
+		relPathInPackage:      Rel(m, fullInstallPath.PartitionDir(), fullInstallPath.String()),
+		srcPath:               srcPath,
+		symlinkTarget:         "",
+		executable:            executable,
+		effectiveLicenseFiles: &licenseFiles,
+		partition:             fullInstallPath.partition,
+	}
+	m.packagingSpecs = append(m.packagingSpecs, spec)
+	return spec
+}
+
+func (m *moduleContext) installFile(installPath InstallPath, name string, srcPath Path, deps []InstallPath,
+	executable bool, extraZip *extraFilesZip) InstallPath {
+
+	fullInstallPath := installPath.Join(m, name)
+	m.module.base().hooks.runInstallHooks(m, srcPath, fullInstallPath, false)
+
+	if !m.skipInstall() {
+		deps = append(deps, InstallPaths(m.module.base().installFilesDepSet.ToList())...)
+
+		var implicitDeps, orderOnlyDeps Paths
+
+		if m.Host() {
+			// Installed host modules might be used during the build, depend directly on their
+			// dependencies so their timestamp is updated whenever their dependency is updated
+			implicitDeps = InstallPaths(deps).Paths()
+		} else {
+			orderOnlyDeps = InstallPaths(deps).Paths()
+		}
+
+		if m.Config().KatiEnabled() {
+			// When creating the install rule in Soong but embedding in Make, write the rule to a
+			// makefile instead of directly to the ninja file so that main.mk can add the
+			// dependencies from the `required` property that are hard to resolve in Soong.
+			m.katiInstalls = append(m.katiInstalls, katiInstall{
+				from:          srcPath,
+				to:            fullInstallPath,
+				implicitDeps:  implicitDeps,
+				orderOnlyDeps: orderOnlyDeps,
+				executable:    executable,
+				extraFiles:    extraZip,
+			})
+		} else {
+			rule := Cp
+			if executable {
+				rule = CpExecutable
+			}
+
+			extraCmds := ""
+			if extraZip != nil {
+				extraCmds += fmt.Sprintf(" && ( unzip -qDD -d '%s' '%s' 2>&1 | grep -v \"zipfile is empty\"; exit $${PIPESTATUS[0]} )",
+					extraZip.dir.String(), extraZip.zip.String())
+				extraCmds += " || ( code=$$?; if [ $$code -ne 0 -a $$code -ne 1 ]; then exit $$code; fi )"
+				implicitDeps = append(implicitDeps, extraZip.zip)
+			}
+
+			m.Build(pctx, BuildParams{
+				Rule:        rule,
+				Description: "install " + fullInstallPath.Base(),
+				Output:      fullInstallPath,
+				Input:       srcPath,
+				Implicits:   implicitDeps,
+				OrderOnly:   orderOnlyDeps,
+				Default:     !m.Config().KatiEnabled(),
+				Args: map[string]string{
+					"extraCmds": extraCmds,
+				},
+			})
+		}
+
+		m.installFiles = append(m.installFiles, fullInstallPath)
+	}
+
+	m.packageFile(fullInstallPath, srcPath, executable)
+
+	m.checkbuildFiles = append(m.checkbuildFiles, srcPath)
+
+	return fullInstallPath
+}
+
+func (m *moduleContext) InstallSymlink(installPath InstallPath, name string, srcPath InstallPath) InstallPath {
+	fullInstallPath := installPath.Join(m, name)
+	m.module.base().hooks.runInstallHooks(m, srcPath, fullInstallPath, true)
+
+	relPath, err := filepath.Rel(path.Dir(fullInstallPath.String()), srcPath.String())
+	if err != nil {
+		panic(fmt.Sprintf("Unable to generate symlink between %q and %q: %s", fullInstallPath.Base(), srcPath.Base(), err))
+	}
+	if !m.skipInstall() {
+
+		if m.Config().KatiEnabled() {
+			// When creating the symlink rule in Soong but embedding in Make, write the rule to a
+			// makefile instead of directly to the ninja file so that main.mk can add the
+			// dependencies from the `required` property that are hard to resolve in Soong.
+			m.katiSymlinks = append(m.katiSymlinks, katiInstall{
+				from: srcPath,
+				to:   fullInstallPath,
+			})
+		} else {
+			// The symlink doesn't need updating when the target is modified, but we sometimes
+			// have a dependency on a symlink to a binary instead of to the binary directly, and
+			// the mtime of the symlink must be updated when the binary is modified, so use a
+			// normal dependency here instead of an order-only dependency.
+			m.Build(pctx, BuildParams{
+				Rule:        Symlink,
+				Description: "install symlink " + fullInstallPath.Base(),
+				Output:      fullInstallPath,
+				Input:       srcPath,
+				Default:     !m.Config().KatiEnabled(),
+				Args: map[string]string{
+					"fromPath": relPath,
+				},
+			})
+		}
+
+		m.installFiles = append(m.installFiles, fullInstallPath)
+		m.checkbuildFiles = append(m.checkbuildFiles, srcPath)
+	}
+
+	m.packagingSpecs = append(m.packagingSpecs, PackagingSpec{
+		relPathInPackage: Rel(m, fullInstallPath.PartitionDir(), fullInstallPath.String()),
+		srcPath:          nil,
+		symlinkTarget:    relPath,
+		executable:       false,
+		partition:        fullInstallPath.partition,
+	})
+
+	return fullInstallPath
+}
+
+// installPath/name -> absPath where absPath might be a path that is available only at runtime
+// (e.g. /apex/...)
+func (m *moduleContext) InstallAbsoluteSymlink(installPath InstallPath, name string, absPath string) InstallPath {
+	fullInstallPath := installPath.Join(m, name)
+	m.module.base().hooks.runInstallHooks(m, nil, fullInstallPath, true)
+
+	if !m.skipInstall() {
+		if m.Config().KatiEnabled() {
+			// When creating the symlink rule in Soong but embedding in Make, write the rule to a
+			// makefile instead of directly to the ninja file so that main.mk can add the
+			// dependencies from the `required` property that are hard to resolve in Soong.
+			m.katiSymlinks = append(m.katiSymlinks, katiInstall{
+				absFrom: absPath,
+				to:      fullInstallPath,
+			})
+		} else {
+			m.Build(pctx, BuildParams{
+				Rule:        Symlink,
+				Description: "install symlink " + fullInstallPath.Base() + " -> " + absPath,
+				Output:      fullInstallPath,
+				Default:     !m.Config().KatiEnabled(),
+				Args: map[string]string{
+					"fromPath": absPath,
+				},
+			})
+		}
+
+		m.installFiles = append(m.installFiles, fullInstallPath)
+	}
+
+	m.packagingSpecs = append(m.packagingSpecs, PackagingSpec{
+		relPathInPackage: Rel(m, fullInstallPath.PartitionDir(), fullInstallPath.String()),
+		srcPath:          nil,
+		symlinkTarget:    absPath,
+		executable:       false,
+		partition:        fullInstallPath.partition,
+	})
+
+	return fullInstallPath
+}
+
+func (m *moduleContext) CheckbuildFile(srcPath Path) {
+	m.checkbuildFiles = append(m.checkbuildFiles, srcPath)
+}
+
+func (m *moduleContext) blueprintModuleContext() blueprint.ModuleContext {
+	return m.bp
+}
+
+func (m *moduleContext) LicenseMetadataFile() Path {
+	return m.module.base().licenseMetadataFile
+}
+
+// Returns a list of paths expanded from globs and modules referenced using ":module" syntax.  The property must
+// be tagged with `android:"path" to support automatic source module dependency resolution.
+//
+// Deprecated: use PathsForModuleSrc or PathsForModuleSrcExcludes instead.
+func (m *moduleContext) ExpandSources(srcFiles, excludes []string) Paths {
+	return PathsForModuleSrcExcludes(m, srcFiles, excludes)
+}
+
+// Returns a single path expanded from globs and modules referenced using ":module" syntax.  The property must
+// be tagged with `android:"path" to support automatic source module dependency resolution.
+//
+// Deprecated: use PathForModuleSrc instead.
+func (m *moduleContext) ExpandSource(srcFile, _ string) Path {
+	return PathForModuleSrc(m, srcFile)
+}
+
+// Returns an optional single path expanded from globs and modules referenced using ":module" syntax if
+// the srcFile is non-nil.  The property must be tagged with `android:"path" to support automatic source module
+// dependency resolution.
+func (m *moduleContext) ExpandOptionalSource(srcFile *string, _ string) OptionalPath {
+	if srcFile != nil {
+		return OptionalPathForPath(PathForModuleSrc(m, *srcFile))
+	}
+	return OptionalPath{}
+}
+
+func (m *moduleContext) RequiredModuleNames() []string {
+	return m.module.RequiredModuleNames()
+}
+
+func (m *moduleContext) HostRequiredModuleNames() []string {
+	return m.module.HostRequiredModuleNames()
+}
+
+func (m *moduleContext) TargetRequiredModuleNames() []string {
+	return m.module.TargetRequiredModuleNames()
+}
diff --git a/android/paths.go b/android/paths.go
index a6cda38..37504b6 100644
--- a/android/paths.go
+++ b/android/paths.go
@@ -2210,6 +2210,14 @@
 	RelativeInstallPath string
 }
 
+func (d *DataPath) ToRelativeInstallPath() string {
+	relPath := d.SrcPath.Rel()
+	if d.RelativeInstallPath != "" {
+		relPath = filepath.Join(d.RelativeInstallPath, relPath)
+	}
+	return relPath
+}
+
 // PathsIfNonNil returns a Paths containing only the non-nil input arguments.
 func PathsIfNonNil(paths ...Path) Paths {
 	if len(paths) == 0 {
diff --git a/android/plugin.go b/android/plugin.go
index 2c7f9ff..d62fc94 100644
--- a/android/plugin.go
+++ b/android/plugin.go
@@ -72,7 +72,6 @@
 
 var internalPluginsPaths = []string{
 	"vendor/google/build/soong/internal_plugins.json",
-	"vendor/google_clockwork/build/internal_plugins.json",
 }
 
 type pluginProvider interface {
diff --git a/android/testing.go b/android/testing.go
index da3b75a..c596468 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -1293,3 +1293,10 @@
 func StringsRelativeToTop(config Config, command []string) []string {
 	return normalizeStringArrayRelativeToTop(config, command)
 }
+
+func EnsureListContainsSuffix(t *testing.T, result []string, expected string) {
+	t.Helper()
+	if !SuffixInList(result, expected) {
+		t.Errorf("%q is not found in %v", expected, result)
+	}
+}
diff --git a/android/variable.go b/android/variable.go
index 648e4cf..307deaf 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -494,6 +494,8 @@
 	Release_expose_flagged_api *bool `json:",omitempty"`
 
 	BuildFlags map[string]string `json:",omitempty"`
+
+	BuildFromSourceStub *bool `json:",omitempty"`
 }
 
 type PartitionQualifiedVariablesType struct {
@@ -536,18 +538,17 @@
 	TargetUserimagesSparseSquashfsDisabled bool `json:",omitempty"`
 	TargetUserimagesSparseF2fsDisabled     bool `json:",omitempty"`
 
-	BoardErofsCompressor                 string `json:",omitempty"`
-	BoardErofsCompressorHints            string `json:",omitempty"`
-	BoardErofsPclusterSize               string `json:",omitempty"`
-	BoardErofsShareDupBlocks             string `json:",omitempty"`
-	BoardErofsUseLegacyCompression       string `json:",omitempty"`
-	BoardExt4ShareDupBlocks              string `json:",omitempty"`
-	BoardFlashLogicalBlockSize           string `json:",omitempty"`
-	BoardFlashEraseBlockSize             string `json:",omitempty"`
-	BoardUsesRecoveryAsBoot              bool   `json:",omitempty"`
-	BoardBuildGkiBootImageWithoutRamdisk bool   `json:",omitempty"`
-	ProductUseDynamicPartitionSize       bool   `json:",omitempty"`
-	CopyImagesForTargetFilesZip          bool   `json:",omitempty"`
+	BoardErofsCompressor           string `json:",omitempty"`
+	BoardErofsCompressorHints      string `json:",omitempty"`
+	BoardErofsPclusterSize         string `json:",omitempty"`
+	BoardErofsShareDupBlocks       string `json:",omitempty"`
+	BoardErofsUseLegacyCompression string `json:",omitempty"`
+	BoardExt4ShareDupBlocks        string `json:",omitempty"`
+	BoardFlashLogicalBlockSize     string `json:",omitempty"`
+	BoardFlashEraseBlockSize       string `json:",omitempty"`
+	BoardUsesRecoveryAsBoot        bool   `json:",omitempty"`
+	ProductUseDynamicPartitionSize bool   `json:",omitempty"`
+	CopyImagesForTargetFilesZip    bool   `json:",omitempty"`
 
 	BoardAvbEnable bool `json:",omitempty"`
 
diff --git a/androidmk/androidmk/android.go b/androidmk/androidmk/android.go
index 954f8d0..276b9ab 100644
--- a/androidmk/androidmk/android.go
+++ b/androidmk/androidmk/android.go
@@ -106,6 +106,7 @@
 			"LOCAL_ARM_MODE_HACK":           "instruction_set",
 			"LOCAL_SDK_VERSION":             "sdk_version",
 			"LOCAL_MIN_SDK_VERSION":         "min_sdk_version",
+			"LOCAL_TARGET_SDK_VERSION":      "target_sdk_version",
 			"LOCAL_NDK_STL_VARIANT":         "stl",
 			"LOCAL_JAR_MANIFEST":            "manifest",
 			"LOCAL_CERTIFICATE":             "certificate",
diff --git a/androidmk/androidmk/androidmk_test.go b/androidmk/androidmk/androidmk_test.go
index afde68b..0580ae5 100644
--- a/androidmk/androidmk/androidmk_test.go
+++ b/androidmk/androidmk/androidmk_test.go
@@ -1450,6 +1450,7 @@
 LOCAL_PRODUCT_MODULE := true
 LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
 LOCAL_SDK_VERSION := current
+LOCAL_TARGET_SDK_VERSION := target_version
 LOCAL_RRO_THEME := FooTheme
 
 include $(BUILD_RRO_PACKAGE)
@@ -1460,6 +1461,7 @@
 	product_specific: true,
 
 	sdk_version: "current",
+	target_sdk_version: "target_version",
 	theme: "FooTheme",
 
 }
diff --git a/apex/Android.bp b/apex/Android.bp
index 0791497..0a5063f 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -8,6 +8,8 @@
     deps: [
         "blueprint",
         "soong",
+        "soong-aconfig",
+        "soong-aconfig-codegen",
         "soong-android",
         "soong-bazel",
         "soong-bpf",
diff --git a/apex/androidmk.go b/apex/androidmk.go
index 6136cbd..4e968ea 100644
--- a/apex/androidmk.go
+++ b/apex/androidmk.go
@@ -245,7 +245,6 @@
 			fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)  # apex.apexBundle")
 			fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
 			fmt.Fprintln(w, "LOCAL_MODULE :=", name)
-			data.Entries.WriteLicenseVariables(w)
 			fmt.Fprintln(w, "LOCAL_MODULE_CLASS := ETC") // do we need a new class?
 			fmt.Fprintln(w, "LOCAL_PREBUILT_MODULE_FILE :=", a.outputFile.String())
 			fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", a.installDir.String())
diff --git a/apex/apex.go b/apex/apex.go
index f2e8a06..56f3367 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -24,6 +24,7 @@
 	"sort"
 	"strings"
 
+	"android/soong/aconfig"
 	"android/soong/bazel/cquery"
 
 	"github.com/google/blueprint"
@@ -483,8 +484,7 @@
 	nativeApisBackedByModuleFile android.ModuleOutPath
 	javaApisUsedByModuleFile     android.ModuleOutPath
 
-	// Collect the module directory for IDE info in java/jdeps.go.
-	modulePaths []string
+	aconfigFiles []android.Path
 }
 
 // apexFileClass represents a type of file that can be included in APEX.
@@ -1893,7 +1893,7 @@
 		installSuffix = imageCapexSuffix
 	}
 	a.installedFile = ctx.InstallFile(a.installDir, a.Name()+installSuffix, a.outputFile,
-		a.compatSymlinks.Paths()...)
+		a.compatSymlinks...)
 
 	// filesInfo in mixed mode must retrieve all information about the apex's
 	// contents completely from the Starlark providers. It should never rely on
@@ -2011,6 +2011,8 @@
 
 	// visitor skips these from this list of module names
 	unwantedTransitiveDeps []string
+
+	aconfigFiles []android.Path
 }
 
 func (vctx *visitorContext) normalizeFileInfo(mctx android.ModuleContext) {
@@ -2070,6 +2072,7 @@
 				fi := apexFileForNativeLibrary(ctx, ch, vctx.handleSpecialLibs)
 				fi.isJniLib = isJniLib
 				vctx.filesInfo = append(vctx.filesInfo, fi)
+				addAconfigFiles(vctx, ctx, child)
 				// Collect the list of stub-providing libs except:
 				// - VNDK libs are only for vendors
 				// - bootstrap bionic libs are treated as provided by system
@@ -2093,6 +2096,7 @@
 			switch ch := child.(type) {
 			case *cc.Module:
 				vctx.filesInfo = append(vctx.filesInfo, apexFileForExecutable(ctx, ch))
+				addAconfigFiles(vctx, ctx, child)
 				return true // track transitive dependencies
 			case *rust.Module:
 				vctx.filesInfo = append(vctx.filesInfo, apexFileForRustExecutable(ctx, ch))
@@ -2135,6 +2139,7 @@
 					return false
 				}
 				vctx.filesInfo = append(vctx.filesInfo, af)
+				addAconfigFiles(vctx, ctx, child)
 				return true // track transitive dependencies
 			default:
 				ctx.PropertyErrorf("java_libs", "%q of type %q is not supported", depName, ctx.OtherModuleType(child))
@@ -2143,6 +2148,7 @@
 			switch ap := child.(type) {
 			case *java.AndroidApp:
 				vctx.filesInfo = append(vctx.filesInfo, apexFilesForAndroidApp(ctx, ap)...)
+				addAconfigFiles(vctx, ctx, child)
 				return true // track transitive dependencies
 			case *java.AndroidAppImport:
 				vctx.filesInfo = append(vctx.filesInfo, apexFilesForAndroidApp(ctx, ap)...)
@@ -2301,6 +2307,7 @@
 			}
 
 			vctx.filesInfo = append(vctx.filesInfo, af)
+			addAconfigFiles(vctx, ctx, child)
 			return true // track transitive dependencies
 		} else if rm, ok := child.(*rust.Module); ok {
 			af := apexFileForRustLibrary(ctx, rm)
@@ -2381,6 +2388,13 @@
 	return false
 }
 
+func addAconfigFiles(vctx *visitorContext, ctx android.ModuleContext, module blueprint.Module) {
+	dep := ctx.OtherModuleProvider(module, aconfig.TransitiveDeclarationsInfoProvider).(aconfig.TransitiveDeclarationsInfo)
+	if len(dep.AconfigFiles) > 0 && dep.AconfigFiles[ctx.ModuleName()] != nil {
+		vctx.aconfigFiles = append(vctx.aconfigFiles, dep.AconfigFiles[ctx.ModuleName()].ToList()...)
+	}
+}
+
 func (a *apexBundle) shouldCheckDuplicate(ctx android.ModuleContext) bool {
 	// TODO(b/263308293) remove this
 	if a.properties.IsCoverageVariant {
@@ -2406,8 +2420,6 @@
 	}
 	////////////////////////////////////////////////////////////////////////////////////////////
 	// 2) traverse the dependency tree to collect apexFile structs from them.
-	// Collect the module directory for IDE info in java/jdeps.go.
-	a.modulePaths = append(a.modulePaths, ctx.ModuleDir())
 
 	// TODO(jiyong): do this using WalkPayloadDeps
 	// TODO(jiyong): make this clean!!!
@@ -2464,6 +2476,7 @@
 	// 3) some fields in apexBundle struct are configured
 	a.installDir = android.PathForModuleInstall(ctx, "apex")
 	a.filesInfo = vctx.filesInfo
+	a.aconfigFiles = android.FirstUniquePaths(vctx.aconfigFiles)
 
 	a.setPayloadFsType(ctx)
 	a.setSystemLibLink(ctx)
@@ -2972,7 +2985,6 @@
 	dpInfo.Deps = append(dpInfo.Deps, a.properties.Java_libs...)
 	dpInfo.Deps = append(dpInfo.Deps, a.properties.Bootclasspath_fragments...)
 	dpInfo.Deps = append(dpInfo.Deps, a.properties.Systemserverclasspath_fragments...)
-	dpInfo.Paths = append(dpInfo.Paths, a.modulePaths...)
 }
 
 var (
@@ -3037,59 +3049,6 @@
 	//
 	// Module separator
 	//
-	m["com.android.appsearch"] = []string{
-		"icing-java-proto-lite",
-	}
-	//
-	// Module separator
-	//
-	m["com.android.btservices"] = []string{
-		// empty
-	}
-	//
-	// Module separator
-	//
-	m["com.android.cellbroadcast"] = []string{}
-	//
-	// Module separator
-	//
-	m["com.android.extservices"] = []string{
-		"ExtServices-core",
-		"libtextclassifier-java",
-		"textclassifier-statsd",
-		"TextClassifierNotificationLibNoManifest",
-		"TextClassifierServiceLibNoManifest",
-	}
-	//
-	// Module separator
-	//
-	m["com.android.neuralnetworks"] = []string{
-		"android.hardware.neuralnetworks@1.0",
-		"android.hardware.neuralnetworks@1.1",
-		"android.hardware.neuralnetworks@1.2",
-		"android.hardware.neuralnetworks@1.3",
-		"android.hidl.allocator@1.0",
-		"android.hidl.memory.token@1.0",
-		"android.hidl.memory@1.0",
-		"android.hidl.safe_union@1.0",
-		"libarect",
-		"libprocpartition",
-	}
-	//
-	// Module separator
-	//
-	m["com.android.media"] = []string{
-		// empty
-	}
-	//
-	// Module separator
-	//
-	m["com.android.media.swcodec"] = []string{
-		// empty
-	}
-	//
-	// Module separator
-	//
 	m["com.android.mediaprovider"] = []string{
 		"MediaProvider",
 		"MediaProviderGoogle",
diff --git a/apex/apex_test.go b/apex/apex_test.go
index ddb9a40..af643a0 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -25,6 +25,7 @@
 	"strings"
 	"testing"
 
+	"android/soong/aconfig/codegen"
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
@@ -151,6 +152,7 @@
 	prebuilt_etc.PrepareForTestWithPrebuiltEtc,
 	rust.PrepareForTestWithRustDefaultModules,
 	sh.PrepareForTestWithShBuildComponents,
+	codegen.PrepareForTestWithAconfigBuildComponents,
 
 	PrepareForTestWithApexBuildComponents,
 
@@ -10756,3 +10758,437 @@
 		inputs.Strings(),
 		"out/soong/.intermediates/libbar/android_arm64_armv8-a_shared/libbar.so")
 }
+
+var apex_default_bp = `
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+
+		filegroup {
+			name: "myapex.manifest",
+			srcs: ["apex_manifest.json"],
+		}
+
+		filegroup {
+			name: "myapex.androidmanifest",
+			srcs: ["AndroidManifest.xml"],
+		}
+`
+
+func TestAconfigFilesJavaDeps(t *testing.T) {
+	ctx := testApex(t, apex_default_bp+`
+		apex {
+			name: "myapex",
+			manifest: ":myapex.manifest",
+			androidManifest: ":myapex.androidmanifest",
+			key: "myapex.key",
+			java_libs: [
+				"my_java_library_foo",
+				"my_java_library_bar",
+			],
+			updatable: false,
+		}
+
+		java_library {
+			name: "my_java_library_foo",
+			srcs: ["foo/bar/MyClass.java"],
+			sdk_version: "none",
+			system_modules: "none",
+			static_libs: ["my_java_aconfig_library_foo"],
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		java_library {
+			name: "my_java_library_bar",
+			srcs: ["foo/bar/MyClass.java"],
+			sdk_version: "none",
+			system_modules: "none",
+			static_libs: ["my_java_aconfig_library_bar"],
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		aconfig_declarations {
+			name: "my_aconfig_declarations_foo",
+			package: "com.example.package",
+			container: "myapex",
+			srcs: ["foo.aconfig"],
+		}
+
+		java_aconfig_library {
+			name: "my_java_aconfig_library_foo",
+			aconfig_declarations: "my_aconfig_declarations_foo",
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		aconfig_declarations {
+			name: "my_aconfig_declarations_bar",
+			package: "com.example.package",
+			container: "myapex",
+			srcs: ["bar.aconfig"],
+		}
+
+		java_aconfig_library {
+			name: "my_java_aconfig_library_bar",
+			aconfig_declarations: "my_aconfig_declarations_bar",
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+	`)
+
+	mod := ctx.ModuleForTests("myapex", "android_common_myapex")
+	s := mod.Rule("apexRule").Args["copy_commands"]
+	copyCmds := regexp.MustCompile(" *&& *").Split(s, -1)
+	if len(copyCmds) != 5 {
+		t.Fatalf("Expected 5 commands, got %d in:\n%s", len(copyCmds), s)
+	}
+
+	ensureMatches(t, copyCmds[4], "^cp -f .*/aconfig_flags.pb .*/image.apex$")
+
+	combineAconfigRule := mod.Rule("All_aconfig_declarations_dump")
+	s = " " + combineAconfigRule.Args["cache_files"]
+	aconfigArgs := regexp.MustCompile(" --cache ").Split(s, -1)[1:]
+	if len(aconfigArgs) != 2 {
+		t.Fatalf("Expected 2 commands, got %d in:\n%s", len(aconfigArgs), s)
+	}
+	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_foo/intermediate.pb")
+	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_bar/intermediate.pb")
+
+	buildParams := combineAconfigRule.BuildParams
+	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_foo/intermediate.pb")
+	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_bar/intermediate.pb")
+	ensureContains(t, buildParams.Output.String(), "android_common_myapex/aconfig_flags.pb")
+}
+
+func TestAconfigFilesJavaAndCcDeps(t *testing.T) {
+	ctx := testApex(t, apex_default_bp+`
+		apex {
+			name: "myapex",
+			manifest: ":myapex.manifest",
+			androidManifest: ":myapex.androidmanifest",
+			key: "myapex.key",
+			java_libs: [
+				"my_java_library_foo",
+			],
+			native_shared_libs: [
+				"my_cc_library_bar",
+			],
+			binaries: [
+				"my_cc_binary_baz",
+			],
+			updatable: false,
+		}
+
+		java_library {
+			name: "my_java_library_foo",
+			srcs: ["foo/bar/MyClass.java"],
+			sdk_version: "none",
+			system_modules: "none",
+			static_libs: ["my_java_aconfig_library_foo"],
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		cc_library {
+			name: "my_cc_library_bar",
+			srcs: ["foo/bar/MyClass.cc"],
+			static_libs: ["my_cc_aconfig_library_bar"],
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		cc_binary {
+			name: "my_cc_binary_baz",
+			srcs: ["foo/bar/MyClass.cc"],
+			static_libs: ["my_cc_aconfig_library_baz"],
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		aconfig_declarations {
+			name: "my_aconfig_declarations_foo",
+			package: "com.example.package",
+			container: "myapex",
+			srcs: ["foo.aconfig"],
+		}
+
+		java_aconfig_library {
+			name: "my_java_aconfig_library_foo",
+			aconfig_declarations: "my_aconfig_declarations_foo",
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		aconfig_declarations {
+			name: "my_aconfig_declarations_bar",
+			package: "com.example.package",
+			container: "myapex",
+			srcs: ["bar.aconfig"],
+		}
+
+		cc_aconfig_library {
+			name: "my_cc_aconfig_library_bar",
+			aconfig_declarations: "my_aconfig_declarations_bar",
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		aconfig_declarations {
+			name: "my_aconfig_declarations_baz",
+			package: "com.example.package",
+			container: "myapex",
+			srcs: ["baz.aconfig"],
+		}
+
+		cc_aconfig_library {
+			name: "my_cc_aconfig_library_baz",
+			aconfig_declarations: "my_aconfig_declarations_baz",
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		cc_library {
+			name: "server_configurable_flags",
+			srcs: ["server_configurable_flags.cc"],
+		}
+	`)
+
+	mod := ctx.ModuleForTests("myapex", "android_common_myapex")
+	s := mod.Rule("apexRule").Args["copy_commands"]
+	copyCmds := regexp.MustCompile(" *&& *").Split(s, -1)
+	if len(copyCmds) != 9 {
+		t.Fatalf("Expected 9 commands, got %d in:\n%s", len(copyCmds), s)
+	}
+
+	ensureMatches(t, copyCmds[8], "^cp -f .*/aconfig_flags.pb .*/image.apex$")
+
+	combineAconfigRule := mod.Rule("All_aconfig_declarations_dump")
+	s = " " + combineAconfigRule.Args["cache_files"]
+	aconfigArgs := regexp.MustCompile(" --cache ").Split(s, -1)[1:]
+	if len(aconfigArgs) != 3 {
+		t.Fatalf("Expected 3 commands, got %d in:\n%s", len(aconfigArgs), s)
+	}
+	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_foo/intermediate.pb")
+	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_bar/intermediate.pb")
+	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_baz/intermediate.pb")
+
+	buildParams := combineAconfigRule.BuildParams
+	if len(buildParams.Inputs) != 3 {
+		t.Fatalf("Expected 3 input, got %d", len(buildParams.Inputs))
+	}
+	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_foo/intermediate.pb")
+	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_bar/intermediate.pb")
+	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_baz/intermediate.pb")
+	ensureContains(t, buildParams.Output.String(), "android_common_myapex/aconfig_flags.pb")
+}
+
+func TestAconfigFilesOnlyMatchCurrentApex(t *testing.T) {
+	ctx := testApex(t, apex_default_bp+`
+		apex {
+			name: "myapex",
+			manifest: ":myapex.manifest",
+			androidManifest: ":myapex.androidmanifest",
+			key: "myapex.key",
+			java_libs: [
+				"my_java_library_foo",
+				"other_java_library_bar",
+			],
+			updatable: false,
+		}
+
+		java_library {
+			name: "my_java_library_foo",
+			srcs: ["foo/bar/MyClass.java"],
+			sdk_version: "none",
+			system_modules: "none",
+			static_libs: ["my_java_aconfig_library_foo"],
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		java_library {
+			name: "other_java_library_bar",
+			srcs: ["foo/bar/MyClass.java"],
+			sdk_version: "none",
+			system_modules: "none",
+			static_libs: ["other_java_aconfig_library_bar"],
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		aconfig_declarations {
+			name: "my_aconfig_declarations_foo",
+			package: "com.example.package",
+			container: "myapex",
+			srcs: ["foo.aconfig"],
+		}
+
+		java_aconfig_library {
+			name: "my_java_aconfig_library_foo",
+			aconfig_declarations: "my_aconfig_declarations_foo",
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		aconfig_declarations {
+			name: "other_aconfig_declarations_bar",
+			package: "com.example.package",
+			container: "otherapex",
+			srcs: ["bar.aconfig"],
+		}
+
+		java_aconfig_library {
+			name: "other_java_aconfig_library_bar",
+			aconfig_declarations: "other_aconfig_declarations_bar",
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+	`)
+
+	mod := ctx.ModuleForTests("myapex", "android_common_myapex")
+	combineAconfigRule := mod.Rule("All_aconfig_declarations_dump")
+	s := " " + combineAconfigRule.Args["cache_files"]
+	aconfigArgs := regexp.MustCompile(" --cache ").Split(s, -1)[1:]
+	if len(aconfigArgs) != 1 {
+		t.Fatalf("Expected 1 commands, got %d in:\n%s", len(aconfigArgs), s)
+	}
+	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_foo/intermediate.pb")
+
+	buildParams := combineAconfigRule.BuildParams
+	if len(buildParams.Inputs) != 1 {
+		t.Fatalf("Expected 1 input, got %d", len(buildParams.Inputs))
+	}
+	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_foo/intermediate.pb")
+	ensureContains(t, buildParams.Output.String(), "android_common_myapex/aconfig_flags.pb")
+}
+
+func TestAconfigFilesRemoveDuplicates(t *testing.T) {
+	ctx := testApex(t, apex_default_bp+`
+		apex {
+			name: "myapex",
+			manifest: ":myapex.manifest",
+			androidManifest: ":myapex.androidmanifest",
+			key: "myapex.key",
+			java_libs: [
+				"my_java_library_foo",
+				"my_java_library_bar",
+			],
+			updatable: false,
+		}
+
+		java_library {
+			name: "my_java_library_foo",
+			srcs: ["foo/bar/MyClass.java"],
+			sdk_version: "none",
+			system_modules: "none",
+			static_libs: ["my_java_aconfig_library_foo"],
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		java_library {
+			name: "my_java_library_bar",
+			srcs: ["foo/bar/MyClass.java"],
+			sdk_version: "none",
+			system_modules: "none",
+			static_libs: ["my_java_aconfig_library_bar"],
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		aconfig_declarations {
+			name: "my_aconfig_declarations_foo",
+			package: "com.example.package",
+			container: "myapex",
+			srcs: ["foo.aconfig"],
+		}
+
+		java_aconfig_library {
+			name: "my_java_aconfig_library_foo",
+			aconfig_declarations: "my_aconfig_declarations_foo",
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+
+		java_aconfig_library {
+			name: "my_java_aconfig_library_bar",
+			aconfig_declarations: "my_aconfig_declarations_foo",
+			// TODO: remove //apex_available:platform
+			apex_available: [
+				"//apex_available:platform",
+				"myapex",
+			],
+		}
+	`)
+
+	mod := ctx.ModuleForTests("myapex", "android_common_myapex")
+	combineAconfigRule := mod.Rule("All_aconfig_declarations_dump")
+	s := " " + combineAconfigRule.Args["cache_files"]
+	aconfigArgs := regexp.MustCompile(" --cache ").Split(s, -1)[1:]
+	if len(aconfigArgs) != 1 {
+		t.Fatalf("Expected 1 commands, got %d in:\n%s", len(aconfigArgs), s)
+	}
+	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_foo/intermediate.pb")
+
+	buildParams := combineAconfigRule.BuildParams
+	if len(buildParams.Inputs) != 1 {
+		t.Fatalf("Expected 1 input, got %d", len(buildParams.Inputs))
+	}
+	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_foo/intermediate.pb")
+	ensureContains(t, buildParams.Output.String(), "android_common_myapex/aconfig_flags.pb")
+}
diff --git a/apex/builder.go b/apex/builder.go
index afbfa1c..3078863 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -24,6 +24,7 @@
 	"strconv"
 	"strings"
 
+	"android/soong/aconfig"
 	"android/soong/android"
 	"android/soong/java"
 
@@ -36,6 +37,7 @@
 )
 
 func init() {
+	pctx.Import("android/soong/aconfig")
 	pctx.Import("android/soong/android")
 	pctx.Import("android/soong/cc/config")
 	pctx.Import("android/soong/java")
@@ -80,6 +82,7 @@
 	pctx.HostBinToolVariable("conv_linker_config", "conv_linker_config")
 	pctx.HostBinToolVariable("assemble_vintf", "assemble_vintf")
 	pctx.HostBinToolVariable("apex_elf_checker", "apex_elf_checker")
+	pctx.HostBinToolVariable("aconfig", "aconfig")
 }
 
 var (
@@ -344,10 +347,12 @@
 func (a *apexBundle) buildFileContexts(ctx android.ModuleContext) android.OutputPath {
 	var fileContexts android.Path
 	var fileContextsDir string
+	isFileContextsModule := false
 	if a.properties.File_contexts == nil {
 		fileContexts = android.PathForSource(ctx, "system/sepolicy/apex", ctx.ModuleName()+"-file_contexts")
 	} else {
 		if m, t := android.SrcIsModuleWithTag(*a.properties.File_contexts); m != "" {
+			isFileContextsModule = true
 			otherModule := android.GetModuleFromPathDep(ctx, m, t)
 			fileContextsDir = ctx.OtherModuleDir(otherModule)
 		}
@@ -363,7 +368,7 @@
 			ctx.PropertyErrorf("file_contexts", "should be under system/sepolicy, but found in  %q", fileContextsDir)
 		}
 	}
-	if !android.ExistentPathForSource(ctx, fileContexts.String()).Valid() {
+	if !isFileContextsModule && !android.ExistentPathForSource(ctx, fileContexts.String()).Valid() {
 		ctx.PropertyErrorf("file_contexts", "cannot find file_contexts file: %q", fileContexts.String())
 	}
 
@@ -372,12 +377,12 @@
 	output := android.PathForModuleOut(ctx, "file_contexts")
 	rule := android.NewRuleBuilder(pctx, ctx)
 
-	forceLabel := "u:object_r:system_file:s0"
+	labelForRoot := "u:object_r:system_file:s0"
+	labelForManifest := "u:object_r:system_file:s0"
 	if a.SocSpecific() && !a.vndkApex {
-		// APEX on /vendor should label ./ and ./apex_manifest.pb as vendor_apex_metadata_file.
-		// The reason why we skip VNDK APEX is that aosp_{pixel device} targets install VNDK APEX on /vendor
-		// even though VNDK APEX is supposed to be installed on /system. (See com.android.vndk.current.on_vendor)
-		forceLabel = "u:object_r:vendor_apex_metadata_file:s0"
+		// APEX on /vendor should label ./ and ./apex_manifest.pb as vendor file.
+		labelForRoot = "u:object_r:vendor_file:s0"
+		labelForManifest = "u:object_r:vendor_apex_metadata_file:s0"
 	}
 	// remove old file
 	rule.Command().Text("rm").FlagWithOutput("-f ", output)
@@ -387,8 +392,8 @@
 	rule.Command().Text("echo").Text(">>").Output(output)
 	if !useFileContextsAsIs {
 		// force-label /apex_manifest.pb and /
-		rule.Command().Text("echo").Text("/apex_manifest\\\\.pb").Text(forceLabel).Text(">>").Output(output)
-		rule.Command().Text("echo").Text("/").Text(forceLabel).Text(">>").Output(output)
+		rule.Command().Text("echo").Text("/apex_manifest\\\\.pb").Text(labelForManifest).Text(">>").Output(output)
+		rule.Command().Text("echo").Text("/").Text(labelForRoot).Text(">>").Output(output)
 	}
 
 	rule.Build("file_contexts."+a.Name(), "Generate file_contexts")
@@ -563,13 +568,8 @@
 		// Copy the test files (if any)
 		for _, d := range fi.dataPaths {
 			// TODO(eakammer): This is now the third repetition of ~this logic for test paths, refactoring should be possible
-			relPath := d.SrcPath.Rel()
-			dataPath := d.SrcPath.String()
-			if !strings.HasSuffix(dataPath, relPath) {
-				panic(fmt.Errorf("path %q does not end with %q", dataPath, relPath))
-			}
-
-			dataDest := imageDir.Join(ctx, fi.apexRelativePath(relPath), d.RelativeInstallPath).String()
+			relPath := d.ToRelativeInstallPath()
+			dataDest := imageDir.Join(ctx, fi.apexRelativePath(relPath)).String()
 
 			copyCommands = append(copyCommands, "cp -f "+d.SrcPath.String()+" "+dataDest)
 			implicitInputs = append(implicitInputs, d.SrcPath)
@@ -577,6 +577,7 @@
 
 		installMapSet[installMapPath.String()+":"+fi.installDir+"/"+fi.builtFile.Base()] = true
 	}
+
 	implicitInputs = append(implicitInputs, a.manifestPbOut)
 
 	if len(installMapSet) > 0 {
@@ -631,10 +632,28 @@
 	outHostBinDir := ctx.Config().HostToolPath(ctx, "").String()
 	prebuiltSdkToolsBinDir := filepath.Join("prebuilts", "sdk", "tools", runtime.GOOS, "bin")
 
+	defaultReadOnlyFiles := []string{"apex_manifest.json", "apex_manifest.pb"}
+	if len(a.aconfigFiles) > 0 {
+		apexAconfigFile := android.PathForModuleOut(ctx, "aconfig_flags.pb")
+		ctx.Build(pctx, android.BuildParams{
+			Rule:        aconfig.AllDeclarationsRule,
+			Inputs:      a.aconfigFiles,
+			Output:      apexAconfigFile,
+			Description: "combine_aconfig_declarations",
+			Args: map[string]string{
+				"cache_files": android.JoinPathsWithPrefix(a.aconfigFiles, "--cache "),
+			},
+		})
+
+		copyCommands = append(copyCommands, "cp -f "+apexAconfigFile.String()+" "+imageDir.String())
+		implicitInputs = append(implicitInputs, apexAconfigFile)
+		defaultReadOnlyFiles = append(defaultReadOnlyFiles, apexAconfigFile.Base())
+	}
+
 	////////////////////////////////////////////////////////////////////////////////////
 	// Step 2: create canned_fs_config which encodes filemode,uid,gid of each files
 	// in this APEX. The file will be used by apexer in later steps.
-	cannedFsConfig := a.buildCannedFsConfig(ctx)
+	cannedFsConfig := a.buildCannedFsConfig(ctx, defaultReadOnlyFiles)
 	implicitInputs = append(implicitInputs, cannedFsConfig)
 
 	////////////////////////////////////////////////////////////////////////////////////
@@ -956,7 +975,7 @@
 
 	// Install to $OUT/soong/{target,host}/.../apex.
 	a.installedFile = ctx.InstallFile(a.installDir, a.Name()+installSuffix, a.outputFile,
-		a.compatSymlinks.Paths()...)
+		a.compatSymlinks...)
 
 	// installed-files.txt is dist'ed
 	a.installedFilesFile = a.buildInstalledFilesFile(ctx, a.outputFile, imageDir)
@@ -1085,8 +1104,8 @@
 	a.lintReports = java.BuildModuleLintReportZips(ctx, depSetsBuilder.Build())
 }
 
-func (a *apexBundle) buildCannedFsConfig(ctx android.ModuleContext) android.OutputPath {
-	var readOnlyPaths = []string{"apex_manifest.json", "apex_manifest.pb"}
+func (a *apexBundle) buildCannedFsConfig(ctx android.ModuleContext, defaultReadOnlyFiles []string) android.OutputPath {
+	var readOnlyPaths = defaultReadOnlyFiles
 	var executablePaths []string // this also includes dirs
 	var appSetDirs []string
 	appSetFiles := make(map[string]android.Path)
@@ -1095,7 +1114,8 @@
 		if f.installDir == "bin" || strings.HasPrefix(f.installDir, "bin/") {
 			executablePaths = append(executablePaths, pathInApex)
 			for _, d := range f.dataPaths {
-				readOnlyPaths = append(readOnlyPaths, filepath.Join(f.installDir, d.RelativeInstallPath, d.SrcPath.Rel()))
+				rel := d.ToRelativeInstallPath()
+				readOnlyPaths = append(readOnlyPaths, filepath.Join(f.installDir, rel))
 			}
 			for _, s := range f.symlinks {
 				executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index 7a9d23e..7d339d5 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -794,7 +794,7 @@
 	}
 
 	if p.installable() {
-		p.installedFile = ctx.InstallFile(p.installDir, p.installFilename, p.inputApex, p.compatSymlinks.Paths()...)
+		p.installedFile = ctx.InstallFile(p.installDir, p.installFilename, p.inputApex, p.compatSymlinks...)
 		p.provenanceMetaDataFile = provenance.GenerateArtifactProvenanceMetaData(ctx, p.inputApex, p.installedFile)
 	}
 }
diff --git a/bp2build/Android.bp b/bp2build/Android.bp
index 14e32ed..64ee01f 100644
--- a/bp2build/Android.bp
+++ b/bp2build/Android.bp
@@ -6,6 +6,7 @@
     name: "soong-bp2build",
     pkgPath: "android/soong/bp2build",
     srcs: [
+        "aconfig_conversion_test.go",
         "androidbp_to_build_templates.go",
         "bp2build.go",
         "bp2build_product_config.go",
@@ -21,6 +22,7 @@
     deps: [
         "blueprint-bootstrap",
         "soong-aidl-library",
+        "soong-aconfig",
         "soong-android",
         "soong-android-allowlists",
         "soong-android-soongconfig",
diff --git a/bp2build/aconfig_conversion_test.go b/bp2build/aconfig_conversion_test.go
index ca41680..d6e20df 100644
--- a/bp2build/aconfig_conversion_test.go
+++ b/bp2build/aconfig_conversion_test.go
@@ -156,7 +156,7 @@
 			name: "foo",
 			aconfig_declarations: "foo_aconfig_declarations",
 			libs: ["foo_java_library"],
-			test: true,
+			mode: "test",
 	}
 	`
 	expectedBazelTargets := []string{
@@ -184,7 +184,6 @@
 			AttrNameToString{
 				"aconfig_declarations":   `":foo_aconfig_declarations"`,
 				"libs":                   `[":foo_java_library-neverlink"]`,
-				"test":                   `True`,
 				"sdk_version":            `"system_current"`,
 				"target_compatible_with": `["//build/bazel_common_rules/platforms/os:android"]`,
 			},
@@ -213,7 +212,7 @@
 	java_aconfig_library {
 			name: "foo_aconfig_library",
 			aconfig_declarations: "foo_aconfig_declarations",
-			test: true,
+			mode: "test",
 	}
 	`
 	expectedBazelTargets := []string{
@@ -230,7 +229,6 @@
 			"foo_aconfig_library",
 			AttrNameToString{
 				"aconfig_declarations":   `":foo_aconfig_declarations"`,
-				"test":                   `True`,
 				"sdk_version":            `"system_current"`,
 				"target_compatible_with": `["//build/bazel_common_rules/platforms/os:android"]`,
 			},
diff --git a/bp2build/bp2build_product_config.go b/bp2build/bp2build_product_config.go
index 7f26bef..0d1e433 100644
--- a/bp2build/bp2build_product_config.go
+++ b/bp2build/bp2build_product_config.go
@@ -793,9 +793,6 @@
 	if variables.BoardUsesRecoveryAsBoot {
 		ret["recovery_as_boot"] = "true"
 	}
-	if variables.BoardBuildGkiBootImageWithoutRamdisk {
-		ret["gki_boot_image_without_ramdisk"] = "true"
-	}
 	if variables.ProductUseDynamicPartitionSize {
 		ret["use_dynamic_partition_size"] = "true"
 	}
diff --git a/bpf/bpf.go b/bpf/bpf.go
index ba825cf..58213aa 100644
--- a/bpf/bpf.go
+++ b/bpf/bpf.go
@@ -229,7 +229,6 @@
 				names = append(names, objName)
 				fmt.Fprintln(w, "include $(CLEAR_VARS)", " # bpf.bpf.obj")
 				fmt.Fprintln(w, "LOCAL_MODULE := ", objName)
-				data.Entries.WriteLicenseVariables(w)
 				fmt.Fprintln(w, "LOCAL_PREBUILT_MODULE_FILE :=", obj.String())
 				fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", obj.Base())
 				fmt.Fprintln(w, "LOCAL_MODULE_CLASS := ETC")
@@ -239,7 +238,6 @@
 			}
 			fmt.Fprintln(w, "include $(CLEAR_VARS)", " # bpf.bpf")
 			fmt.Fprintln(w, "LOCAL_MODULE := ", name)
-			data.Entries.WriteLicenseVariables(w)
 			android.AndroidMkEmitAssignList(w, "LOCAL_REQUIRED_MODULES", names)
 			fmt.Fprintln(w, "include $(BUILD_PHONY_PACKAGE)")
 		},
diff --git a/cc/Android.bp b/cc/Android.bp
index 8fa0fbe..351f3f6 100644
--- a/cc/Android.bp
+++ b/cc/Android.bp
@@ -9,6 +9,7 @@
         "blueprint",
         "blueprint-pathtools",
         "soong",
+        "soong-aconfig",
         "soong-aidl-library",
         "soong-android",
         "soong-bazel",
@@ -19,6 +20,7 @@
         "soong-multitree",
         "soong-snapshot",
         "soong-sysprop-bp2build",
+        "soong-testing",
         "soong-tradefed",
     ],
     srcs: [
@@ -39,7 +41,6 @@
         "lto.go",
         "makevars.go",
         "orderfile.go",
-        "pgo.go",
         "prebuilt.go",
         "proto.go",
         "rs.go",
diff --git a/cc/afdo.go b/cc/afdo.go
index ac210d4..91cf0b8 100644
--- a/cc/afdo.go
+++ b/cc/afdo.go
@@ -35,7 +35,7 @@
 var afdoProfileProjectsConfigKey = android.NewOnceKey("AfdoProfileProjects")
 
 // This flag needs to be in both CFlags and LdFlags to ensure correct symbol ordering
-const afdoFlagsFormat = "-fprofile-sample-use=%s"
+const afdoFlagsFormat = "-fprofile-sample-use=%s -fprofile-sample-accurate"
 
 func recordMissingAfdoProfileFile(ctx android.BaseModuleContext, missing string) {
 	getNamedMapForConfig(ctx.Config(), modulesMissingProfileFileKey).Store(missing, true)
diff --git a/cc/builder.go b/cc/builder.go
index 3f582fa..69cf75b 100644
--- a/cc/builder.go
+++ b/cc/builder.go
@@ -681,16 +681,11 @@
 			tidyCmd := "${config.ClangBin}/clang-tidy"
 
 			rule := clangTidy
-			reducedCFlags := moduleFlags
 			if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_CLANG_TIDY") {
 				rule = clangTidyRE
-				// b/248371171, work around RBE input processor problem
-				// some cflags rejected by input processor, but usually
-				// do not affect included files or clang-tidy
-				reducedCFlags = config.TidyReduceCFlags(reducedCFlags)
 			}
 
-			sharedCFlags := shareFlags("cFlags", reducedCFlags)
+			sharedCFlags := shareFlags("cFlags", moduleFlags)
 			srcRelPath := srcFile.Rel()
 
 			// Add the .tidy rule
diff --git a/cc/cc.go b/cc/cc.go
index 814a66c..867a59c 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -24,11 +24,13 @@
 	"strconv"
 	"strings"
 
+	"android/soong/testing"
 	"android/soong/ui/metrics/bp2build_metrics_proto"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
+	"android/soong/aconfig"
 	"android/soong/aidl_library"
 	"android/soong/android"
 	"android/soong/bazel/cquery"
@@ -140,6 +142,8 @@
 
 	// List of libs that need to be excluded for APEX variant
 	ExcludeLibsForApex []string
+	// List of libs that need to be excluded for non-APEX variant
+	ExcludeLibsForNonApex []string
 }
 
 // PathDeps is a struct containing file paths to dependencies of a module.
@@ -528,7 +532,6 @@
 	baseModuleName() string
 	getVndkExtendsModuleName() string
 	isAfdoCompile() bool
-	isPgoCompile() bool
 	isOrderfileCompile() bool
 	isCfi() bool
 	isFuzzer() bool
@@ -727,6 +730,8 @@
 
 	// Whether or not this dependency has to be followed for the apex variants
 	excludeInApex bool
+	// Whether or not this dependency has to be followed for the non-apex variants
+	excludeInNonApex bool
 
 	// If true, don't automatically export symbols from the static library into a shared library.
 	unexportedSymbols bool
@@ -862,9 +867,10 @@
 	Properties       BaseProperties
 
 	// initialize before calling Init
-	hod       android.HostOrDeviceSupported
-	multilib  android.Multilib
-	bazelable bool
+	hod        android.HostOrDeviceSupported
+	multilib   android.Multilib
+	bazelable  bool
+	testModule bool
 
 	// Allowable SdkMemberTypes of this module type.
 	sdkMemberTypes []android.SdkMemberType
@@ -889,7 +895,6 @@
 	vndkdep   *vndkdep
 	lto       *lto
 	afdo      *afdo
-	pgo       *pgo
 	orderfile *orderfile
 
 	library libraryInterface
@@ -921,6 +926,9 @@
 	apexSdkVersion android.ApiLevel
 
 	hideApexVariantFromMake bool
+
+	// Aconfig files for all transitive deps.  Also exposed via TransitiveDeclarationsInfo
+	transitiveAconfigFiles map[string]*android.DepSet[android.Path]
 }
 
 func (c *Module) AddJSONData(d *map[string]interface{}) {
@@ -1272,9 +1280,6 @@
 	if c.afdo != nil {
 		c.AddProperties(c.afdo.props()...)
 	}
-	if c.pgo != nil {
-		c.AddProperties(c.pgo.props()...)
-	}
 	if c.orderfile != nil {
 		c.AddProperties(c.orderfile.props()...)
 	}
@@ -1404,13 +1409,6 @@
 	return false
 }
 
-func (c *Module) isPgoCompile() bool {
-	if pgo := c.pgo; pgo != nil {
-		return pgo.Properties.PgoCompile
-	}
-	return false
-}
-
 func (c *Module) isOrderfileCompile() bool {
 	if orderfile := c.orderfile; orderfile != nil {
 		return orderfile.Properties.OrderfileLoad
@@ -1719,10 +1717,6 @@
 	return ctx.mod.isAfdoCompile()
 }
 
-func (ctx *moduleContextImpl) isPgoCompile() bool {
-	return ctx.mod.isPgoCompile()
-}
-
 func (ctx *moduleContextImpl) isOrderfileCompile() bool {
 	return ctx.mod.isOrderfileCompile()
 }
@@ -1835,7 +1829,6 @@
 	module.vndkdep = &vndkdep{}
 	module.lto = &lto{}
 	module.afdo = &afdo{}
-	module.pgo = &pgo{}
 	module.orderfile = &orderfile{}
 	return module
 }
@@ -2261,9 +2254,6 @@
 	if c.afdo != nil {
 		flags = c.afdo.flags(ctx, flags)
 	}
-	if c.pgo != nil {
-		flags = c.pgo.flags(ctx, flags)
-	}
 	if c.orderfile != nil {
 		flags = c.orderfile.flags(ctx, flags)
 	}
@@ -2329,6 +2319,11 @@
 			}
 		}
 	}
+	if c.testModule {
+		ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{})
+	}
+
+	aconfig.CollectTransitiveAconfigFiles(ctx, &c.transitiveAconfigFiles)
 
 	c.maybeInstall(ctx, apexInfo)
 }
@@ -2412,9 +2407,6 @@
 	if c.orderfile != nil {
 		c.orderfile.begin(ctx)
 	}
-	if c.pgo != nil {
-		c.pgo.begin(ctx)
-	}
 	if ctx.useSdk() && c.IsSdkVariant() {
 		version, err := nativeApiLevelFromUser(ctx, ctx.sdkVersion())
 		if err != nil {
@@ -2814,6 +2806,9 @@
 		if inList(lib, deps.ExcludeLibsForApex) {
 			depTag.excludeInApex = true
 		}
+		if inList(lib, deps.ExcludeLibsForNonApex) {
+			depTag.excludeInNonApex = true
+		}
 
 		name, version := StubsLibNameAndVersion(lib)
 		if apiLibraryName, ok := apiImportInfo.SharedLibs[name]; ok && !ctx.OtherModuleExists(name) {
@@ -3330,6 +3325,9 @@
 			if !apexInfo.IsForPlatform() && libDepTag.excludeInApex {
 				return
 			}
+			if apexInfo.IsForPlatform() && libDepTag.excludeInNonApex {
+				return
+			}
 
 			depExporterInfo := ctx.OtherModuleProvider(dep, FlagExporterInfoProvider).(FlagExporterInfo)
 
@@ -4318,7 +4316,6 @@
 		&VndkProperties{},
 		&LTOProperties{},
 		&AfdoProperties{},
-		&PgoProperties{},
 		&OrderfileProperties{},
 		&android.ProtoProperties{},
 		// RustBindgenProperties is included here so that cc_defaults can be used for rust_bindgen modules.
diff --git a/cc/cc_test.go b/cc/cc_test.go
index 14817a1..ed13e22 100644
--- a/cc/cc_test.go
+++ b/cc/cc_test.go
@@ -720,7 +720,7 @@
 		return
 	}
 	if len(testBinary.dataPaths()) != 1 {
-		t.Errorf("expected exactly one test data file. test data files: [%s]", testBinary.dataPaths())
+		t.Errorf("expected exactly one test data file. test data files: [%v]", testBinary.dataPaths())
 		return
 	}
 
@@ -777,7 +777,7 @@
 		t.Fatalf("expected exactly one output file. output files: [%s]", outputFiles)
 	}
 	if len(testBinary.dataPaths()) != 2 {
-		t.Fatalf("expected exactly one test data file. test data files: [%s]", testBinary.dataPaths())
+		t.Fatalf("expected exactly one test data file. test data files: [%v]", testBinary.dataPaths())
 	}
 
 	outputPath := outputFiles[0].String()
@@ -3332,7 +3332,7 @@
 		t.Errorf("expected exactly one output file. output files: [%s]", outputFiles)
 	}
 	if len(testBinary.dataPaths()) != 1 {
-		t.Errorf("expected exactly one test data file. test data files: [%s]", testBinary.dataPaths())
+		t.Errorf("expected exactly one test data file. test data files: [%v]", testBinary.dataPaths())
 	}
 
 	outputPath := outputFiles[0].String()
diff --git a/cc/config/tidy.go b/cc/config/tidy.go
index efa4549..b40557a 100644
--- a/cc/config/tidy.go
+++ b/cc/config/tidy.go
@@ -16,7 +16,6 @@
 
 import (
 	"android/soong/android"
-	"regexp"
 	"strings"
 )
 
@@ -281,11 +280,3 @@
 	}
 	return flags
 }
-
-var (
-	removedCFlags = regexp.MustCompile(" -fsanitize=[^ ]*memtag-[^ ]* ")
-)
-
-func TidyReduceCFlags(flags string) string {
-	return removedCFlags.ReplaceAllString(flags, " ")
-}
diff --git a/cc/fuzz.go b/cc/fuzz.go
index df9f21a..8fc4898 100644
--- a/cc/fuzz.go
+++ b/cc/fuzz.go
@@ -96,6 +96,7 @@
 // your device, or $ANDROID_PRODUCT_OUT/data/fuzz in your build tree.
 func LibFuzzFactory() android.Module {
 	module := NewFuzzer(android.HostAndDeviceSupported)
+	module.testModule = true
 	return module.Init()
 }
 
diff --git a/cc/linker.go b/cc/linker.go
index 257fe86..357d1ce 100644
--- a/cc/linker.go
+++ b/cc/linker.go
@@ -214,6 +214,11 @@
 			// variant of the C/C++ module.
 			Exclude_static_libs []string
 		}
+		Non_apex struct {
+			// list of shared libs that should not be used to build the non-apex
+			// variant of the C/C++ module.
+			Exclude_shared_libs []string
+		}
 	} `android:"arch_variant"`
 
 	// make android::build:GetBuildNumber() available containing the build ID.
@@ -300,6 +305,10 @@
 	// variants.
 	deps.ExcludeLibsForApex = append(deps.ExcludeLibsForApex, linker.Properties.Target.Apex.Exclude_shared_libs...)
 	deps.ExcludeLibsForApex = append(deps.ExcludeLibsForApex, linker.Properties.Target.Apex.Exclude_static_libs...)
+	// Record the libraries that need to be excluded when building for non-APEX variants
+	// for the same reason above. This is used for marking deps and marked deps are
+	// ignored for non-apex variants.
+	deps.ExcludeLibsForNonApex = append(deps.ExcludeLibsForNonApex, linker.Properties.Target.Non_apex.Exclude_shared_libs...)
 
 	if Bool(linker.Properties.Use_version_lib) {
 		deps.WholeStaticLibs = append(deps.WholeStaticLibs, "libbuildversion")
diff --git a/cc/lto.go b/cc/lto.go
index fb3b485..d2a43d2 100644
--- a/cc/lto.go
+++ b/cc/lto.go
@@ -140,17 +140,18 @@
 		// Reduce the inlining threshold for a better balance of binary size and
 		// performance.
 		if !ctx.Darwin() {
-			if ctx.isPgoCompile() || ctx.isAfdoCompile() {
+			if ctx.isAfdoCompile() {
 				ltoLdFlags = append(ltoLdFlags, "-Wl,-plugin-opt,-import-instr-limit=40")
 			} else {
 				ltoLdFlags = append(ltoLdFlags, "-Wl,-plugin-opt,-import-instr-limit=5")
 			}
 		}
 
-		// Register allocation MLGO flags for ARM64.
-		if ctx.Arch().ArchType == android.Arm64 {
-			ltoCFlags = append(ltoCFlags, "-mllvm -regalloc-enable-advisor=release")
-			ltoLdFlags = append(ltoLdFlags, "-Wl,-mllvm,-regalloc-enable-advisor=release")
+		if !ctx.Config().IsEnvFalse("THINLTO_USE_MLGO") {
+			// Register allocation MLGO flags for ARM64.
+			if ctx.Arch().ArchType == android.Arm64 {
+				ltoLdFlags = append(ltoLdFlags, "-Wl,-mllvm,-regalloc-enable-advisor=release")
+			}
 			// Flags for training MLGO model.
 			if ctx.Config().IsEnvTrue("THINLTO_EMIT_INDEXES_AND_IMPORTS") {
 				ltoLdFlags = append(ltoLdFlags, "-Wl,--save-temps=import")
diff --git a/cc/pgo.go b/cc/pgo.go
deleted file mode 100644
index 463e2e6..0000000
--- a/cc/pgo.go
+++ /dev/null
@@ -1,294 +0,0 @@
-// Copyright 2017 Google Inc. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package cc
-
-import (
-	"fmt"
-	"path/filepath"
-	"strings"
-
-	"github.com/google/blueprint/proptools"
-
-	"android/soong/android"
-)
-
-var (
-	// Add flags to ignore warnings that profiles are old or missing for
-	// some functions.
-	profileUseOtherFlags = []string{
-		"-Wno-backend-plugin",
-	}
-
-	globalPgoProfileProjects = []string{
-		"toolchain/pgo-profiles/pgo",
-		"vendor/google_data/pgo_profile/pgo",
-	}
-)
-
-var pgoProfileProjectsConfigKey = android.NewOnceKey("PgoProfileProjects")
-
-const profileInstrumentFlag = "-fprofile-generate=/data/local/tmp"
-const profileUseInstrumentFormat = "-fprofile-use=%s"
-
-func getPgoProfileProjects(config android.DeviceConfig) []string {
-	return config.OnceStringSlice(pgoProfileProjectsConfigKey, func() []string {
-		return append(globalPgoProfileProjects, config.PgoAdditionalProfileDirs()...)
-	})
-}
-
-func recordMissingProfileFile(ctx BaseModuleContext, missing string) {
-	getNamedMapForConfig(ctx.Config(), modulesMissingProfileFileKey).Store(missing, true)
-}
-
-type PgoProperties struct {
-	Pgo struct {
-		Instrumentation    *bool
-		Profile_file       *string `android:"arch_variant"`
-		Benchmarks         []string
-		Enable_profile_use *bool `android:"arch_variant"`
-		// Additional compiler flags to use when building this module
-		// for profiling.
-		Cflags []string `android:"arch_variant"`
-	} `android:"arch_variant"`
-
-	PgoPresent          bool `blueprint:"mutated"`
-	ShouldProfileModule bool `blueprint:"mutated"`
-	PgoCompile          bool `blueprint:"mutated"`
-	PgoInstrLink        bool `blueprint:"mutated"`
-}
-
-type pgo struct {
-	Properties PgoProperties
-}
-
-func (props *PgoProperties) isInstrumentation() bool {
-	return props.Pgo.Instrumentation != nil && *props.Pgo.Instrumentation == true
-}
-
-func (pgo *pgo) props() []interface{} {
-	return []interface{}{&pgo.Properties}
-}
-
-func (props *PgoProperties) addInstrumentationProfileGatherFlags(ctx ModuleContext, flags Flags) Flags {
-	// Add to C flags iff PGO is explicitly enabled for this module.
-	if props.ShouldProfileModule {
-		flags.Local.CFlags = append(flags.Local.CFlags, props.Pgo.Cflags...)
-		flags.Local.CFlags = append(flags.Local.CFlags, profileInstrumentFlag)
-	}
-	flags.Local.LdFlags = append(flags.Local.LdFlags, profileInstrumentFlag)
-	return flags
-}
-
-func (props *PgoProperties) getPgoProfileFile(ctx BaseModuleContext) android.OptionalPath {
-	profileFile := *props.Pgo.Profile_file
-
-	// Test if the profile_file is present in any of the PGO profile projects
-	for _, profileProject := range getPgoProfileProjects(ctx.DeviceConfig()) {
-		// Bug: http://b/74395273 If the profile_file is unavailable,
-		// use a versioned file named
-		// <profile_file>.<arbitrary-version> when available.  This
-		// works around an issue where ccache serves stale cache
-		// entries when the profile file has changed.
-		globPattern := filepath.Join(profileProject, profileFile+".*")
-		versionedProfiles, err := ctx.GlobWithDeps(globPattern, nil)
-		if err != nil {
-			ctx.ModuleErrorf("glob: %s", err.Error())
-		}
-
-		path := android.ExistentPathForSource(ctx, profileProject, profileFile)
-		if path.Valid() {
-			if len(versionedProfiles) != 0 {
-				ctx.PropertyErrorf("pgo.profile_file", "Profile_file has multiple versions: "+filepath.Join(profileProject, profileFile)+", "+strings.Join(versionedProfiles, ", "))
-			}
-			return path
-		}
-
-		if len(versionedProfiles) > 1 {
-			ctx.PropertyErrorf("pgo.profile_file", "Profile_file has multiple versions: "+strings.Join(versionedProfiles, ", "))
-		} else if len(versionedProfiles) == 1 {
-			return android.OptionalPathForPath(android.PathForSource(ctx, versionedProfiles[0]))
-		}
-	}
-
-	// Record that this module's profile file is absent
-	missing := *props.Pgo.Profile_file + ":" + ctx.ModuleDir() + "/Android.bp:" + ctx.ModuleName()
-	recordMissingProfileFile(ctx, missing)
-
-	return android.OptionalPathForPath(nil)
-}
-
-func (props *PgoProperties) profileUseFlags(ctx ModuleContext, file string) []string {
-	flags := []string{fmt.Sprintf(profileUseInstrumentFormat, file)}
-	flags = append(flags, profileUseOtherFlags...)
-	return flags
-}
-
-func (props *PgoProperties) addProfileUseFlags(ctx ModuleContext, flags Flags) Flags {
-	// Return if 'pgo' property is not present in this module.
-	if !props.PgoPresent {
-		return flags
-	}
-
-	if props.PgoCompile {
-		profileFile := props.getPgoProfileFile(ctx)
-		profileFilePath := profileFile.Path()
-		profileUseFlags := props.profileUseFlags(ctx, profileFilePath.String())
-
-		flags.Local.CFlags = append(flags.Local.CFlags, profileUseFlags...)
-		flags.Local.LdFlags = append(flags.Local.LdFlags, profileUseFlags...)
-
-		// Update CFlagsDeps and LdFlagsDeps so the module is rebuilt
-		// if profileFile gets updated
-		flags.CFlagsDeps = append(flags.CFlagsDeps, profileFilePath)
-		flags.LdFlagsDeps = append(flags.LdFlagsDeps, profileFilePath)
-	}
-	return flags
-}
-
-func (props *PgoProperties) isPGO(ctx BaseModuleContext) bool {
-	isInstrumentation := props.isInstrumentation()
-
-	profileKindPresent := isInstrumentation
-	filePresent := props.Pgo.Profile_file != nil
-	benchmarksPresent := len(props.Pgo.Benchmarks) > 0
-
-	// If all three properties are absent, PGO is OFF for this module
-	if !profileKindPresent && !filePresent && !benchmarksPresent {
-		return false
-	}
-
-	// profileKindPresent and filePresent are mandatory properties.
-	if !profileKindPresent || !filePresent {
-		var missing []string
-		if !profileKindPresent {
-			missing = append(missing, "profile kind")
-		}
-		if !filePresent {
-			missing = append(missing, "profile_file property")
-		}
-		missingProps := strings.Join(missing, ", ")
-		ctx.ModuleErrorf("PGO specification is missing properties: " + missingProps)
-	}
-
-	// Benchmark property is mandatory for instrumentation PGO.
-	if isInstrumentation && !benchmarksPresent {
-		ctx.ModuleErrorf("Instrumentation PGO specification is missing benchmark property")
-	}
-
-	return true
-}
-
-func (pgo *pgo) begin(ctx BaseModuleContext) {
-	// TODO Evaluate if we need to support PGO for host modules
-	if ctx.Host() {
-		return
-	}
-
-	// Check if PGO is needed for this module
-	pgo.Properties.PgoPresent = pgo.Properties.isPGO(ctx)
-
-	if !pgo.Properties.PgoPresent {
-		return
-	}
-
-	// This module should be instrumented if ANDROID_PGO_INSTRUMENT is set
-	// and includes 'all', 'ALL' or a benchmark listed for this module.
-	//
-	// TODO Validate that each benchmark instruments at least one module
-	pgo.Properties.ShouldProfileModule = false
-	pgoBenchmarks := ctx.Config().Getenv("ANDROID_PGO_INSTRUMENT")
-	pgoBenchmarksMap := make(map[string]bool)
-	for _, b := range strings.Split(pgoBenchmarks, ",") {
-		pgoBenchmarksMap[b] = true
-	}
-
-	if pgoBenchmarksMap["all"] == true || pgoBenchmarksMap["ALL"] == true {
-		pgo.Properties.ShouldProfileModule = true
-		pgo.Properties.PgoInstrLink = pgo.Properties.isInstrumentation()
-	} else {
-		for _, b := range pgo.Properties.Pgo.Benchmarks {
-			if pgoBenchmarksMap[b] == true {
-				pgo.Properties.ShouldProfileModule = true
-				pgo.Properties.PgoInstrLink = pgo.Properties.isInstrumentation()
-				break
-			}
-		}
-	}
-
-	// PGO profile use is not feasible for a Clang coverage build because
-	// -fprofile-use and -fprofile-instr-generate are incompatible.
-	if ctx.DeviceConfig().ClangCoverageEnabled() {
-		return
-	}
-
-	if !ctx.Config().IsEnvTrue("ANDROID_PGO_NO_PROFILE_USE") &&
-		proptools.BoolDefault(pgo.Properties.Pgo.Enable_profile_use, true) {
-		if profileFile := pgo.Properties.getPgoProfileFile(ctx); profileFile.Valid() {
-			pgo.Properties.PgoCompile = true
-		}
-	}
-}
-
-func (pgo *pgo) flags(ctx ModuleContext, flags Flags) Flags {
-	if ctx.Host() {
-		return flags
-	}
-
-	// Deduce PgoInstrLink property i.e. whether this module needs to be
-	// linked with profile-generation flags.  Here, we're setting it if any
-	// dependency needs PGO instrumentation.  It is initially set in
-	// begin() if PGO is directly enabled for this module.
-	if ctx.static() && !ctx.staticBinary() {
-		// For static libraries, check if any whole_static_libs are
-		// linked with profile generation
-		ctx.VisitDirectDeps(func(m android.Module) {
-			if depTag, ok := ctx.OtherModuleDependencyTag(m).(libraryDependencyTag); ok {
-				if depTag.static() && depTag.wholeStatic {
-					if cc, ok := m.(*Module); ok {
-						if cc.pgo.Properties.PgoInstrLink {
-							pgo.Properties.PgoInstrLink = true
-						}
-					}
-				}
-			}
-		})
-	} else {
-		// For executables and shared libraries, check all static dependencies.
-		ctx.VisitDirectDeps(func(m android.Module) {
-			if depTag, ok := ctx.OtherModuleDependencyTag(m).(libraryDependencyTag); ok {
-				if depTag.static() {
-					if cc, ok := m.(*Module); ok {
-						if cc.pgo.Properties.PgoInstrLink {
-							pgo.Properties.PgoInstrLink = true
-						}
-					}
-				}
-			}
-		})
-	}
-
-	props := pgo.Properties
-	// Add flags to profile this module based on its profile_kind
-	if (props.ShouldProfileModule && props.isInstrumentation()) || props.PgoInstrLink {
-		// Instrumentation PGO use and gather flags cannot coexist.
-		return props.addInstrumentationProfileGatherFlags(ctx, flags)
-	}
-
-	if !ctx.Config().IsEnvTrue("ANDROID_PGO_NO_PROFILE_USE") {
-		flags = props.addProfileUseFlags(ctx, flags)
-	}
-
-	return flags
-}
diff --git a/cc/test.go b/cc/test.go
index 5b778dc..a4224c3 100644
--- a/cc/test.go
+++ b/cc/test.go
@@ -158,6 +158,7 @@
 // binary.
 func BenchmarkFactory() android.Module {
 	module := NewBenchmark(android.HostAndDeviceSupported)
+	module.testModule = true
 	return module.Init()
 }
 
@@ -489,6 +490,7 @@
 	module, binary := newBinary(hod, bazelable)
 	module.bazelable = bazelable
 	module.multilib = android.MultilibBoth
+	module.testModule = true
 	binary.baseInstaller = NewTestInstaller()
 
 	test := &testBinary{
diff --git a/dexpreopt/config.go b/dexpreopt/config.go
index c871e85..6163952 100644
--- a/dexpreopt/config.go
+++ b/dexpreopt/config.go
@@ -184,8 +184,6 @@
 	PreoptBootClassPathDexFiles     android.Paths // file paths of boot class path files
 	PreoptBootClassPathDexLocations []string      // virtual locations of boot class path files
 
-	PreoptExtractedApk bool // Overrides OnlyPreoptModules
-
 	NoCreateAppImage    bool
 	ForceCreateAppImage bool
 
diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index c13e14a..94707ba 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -124,7 +124,7 @@
 		return true
 	}
 
-	if global.OnlyPreoptArtBootImage && !module.PreoptExtractedApk {
+	if global.OnlyPreoptArtBootImage {
 		return true
 	}
 
diff --git a/dexpreopt/dexpreopt_test.go b/dexpreopt/dexpreopt_test.go
index 2b19c9d..230fbb4 100644
--- a/dexpreopt/dexpreopt_test.go
+++ b/dexpreopt/dexpreopt_test.go
@@ -87,7 +87,6 @@
 		DexPreoptImageLocationsOnHost:   []string{},
 		PreoptBootClassPathDexFiles:     nil,
 		PreoptBootClassPathDexLocations: nil,
-		PreoptExtractedApk:              false,
 		NoCreateAppImage:                false,
 		ForceCreateAppImage:             false,
 		PresignedPrebuilt:               false,
diff --git a/filesystem/avb_add_hash_footer.go b/filesystem/avb_add_hash_footer.go
index dabbc46..ead579f 100644
--- a/filesystem/avb_add_hash_footer.go
+++ b/filesystem/avb_add_hash_footer.go
@@ -25,6 +25,7 @@
 
 type avbAddHashFooter struct {
 	android.ModuleBase
+	android.DefaultableModuleBase
 
 	properties avbAddHashFooterProperties
 
@@ -80,6 +81,7 @@
 	module := &avbAddHashFooter{}
 	module.AddProperties(&module.properties)
 	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
+	android.InitDefaultableModule(module)
 	return module
 }
 
@@ -206,3 +208,19 @@
 func (a *avbAddHashFooter) Srcs() android.Paths {
 	return append(android.Paths{}, a.output)
 }
+
+type avbAddHashFooterDefaults struct {
+	android.ModuleBase
+	android.DefaultsModuleBase
+}
+
+// avb_add_hash_footer_defaults provides a set of properties that can be inherited by other
+// avb_add_hash_footer modules. A module can use the properties from an avb_add_hash_footer_defaults
+// using `defaults: ["<:default_module_name>"]`. Properties of both modules are erged (when
+// possible) by prepending the default module's values to the depending module's values.
+func avbAddHashFooterDefaultsFactory() android.Module {
+	module := &avbAddHashFooterDefaults{}
+	module.AddProperties(&avbAddHashFooterProperties{})
+	android.InitDefaultsModule(module)
+	return module
+}
diff --git a/filesystem/avb_gen_vbmeta_image.go b/filesystem/avb_gen_vbmeta_image.go
index 0f331f9..985f0ea 100644
--- a/filesystem/avb_gen_vbmeta_image.go
+++ b/filesystem/avb_gen_vbmeta_image.go
@@ -24,6 +24,7 @@
 
 type avbGenVbmetaImage struct {
 	android.ModuleBase
+	android.DefaultableModuleBase
 
 	properties avbGenVbmetaImageProperties
 
@@ -47,6 +48,7 @@
 	module := &avbGenVbmetaImage{}
 	module.AddProperties(&module.properties)
 	android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibFirst)
+	android.InitDefaultableModule(module)
 	return module
 }
 
@@ -106,3 +108,20 @@
 	}
 	return nil, fmt.Errorf("unsupported module reference tag %q", tag)
 }
+
+type avbGenVbmetaImageDefaults struct {
+	android.ModuleBase
+	android.DefaultsModuleBase
+}
+
+// avb_gen_vbmeta_image_defaults provides a set of properties that can be inherited by other
+// avb_gen_vbmeta_image modules. A module can use the properties from an
+// avb_gen_vbmeta_image_defaults using `defaults: ["<:default_module_name>"]`. Properties of both
+// modules are erged (when possible) by prepending the default module's values to the depending
+// module's values.
+func avbGenVbmetaImageDefaultsFactory() android.Module {
+	module := &avbGenVbmetaImageDefaults{}
+	module.AddProperties(&avbGenVbmetaImageProperties{})
+	android.InitDefaultsModule(module)
+	return module
+}
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index 3d49114..7b207d6 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -36,7 +36,9 @@
 	ctx.RegisterModuleType("android_filesystem", filesystemFactory)
 	ctx.RegisterModuleType("android_system_image", systemImageFactory)
 	ctx.RegisterModuleType("avb_add_hash_footer", avbAddHashFooterFactory)
+	ctx.RegisterModuleType("avb_add_hash_footer_defaults", avbAddHashFooterDefaultsFactory)
 	ctx.RegisterModuleType("avb_gen_vbmeta_image", avbGenVbmetaImageFactory)
+	ctx.RegisterModuleType("avb_gen_vbmeta_image_defaults", avbGenVbmetaImageDefaultsFactory)
 }
 
 type filesystem struct {
diff --git a/filesystem/vbmeta.go b/filesystem/vbmeta.go
index 63e0aba..43a2f37 100644
--- a/filesystem/vbmeta.go
+++ b/filesystem/vbmeta.go
@@ -63,6 +63,17 @@
 
 	// List of chained partitions that this vbmeta deletages the verification.
 	Chained_partitions []chainedPartitionProperties
+
+	// List of key-value pair of avb properties
+	Avb_properties []avbProperty
+}
+
+type avbProperty struct {
+	// Key of given avb property
+	Key *string
+
+	// Value of given avb property
+	Value *string
 }
 
 type chainedPartitionProperties struct {
@@ -135,6 +146,20 @@
 	}
 	cmd.FlagWithArg("--rollback_index_location ", strconv.Itoa(ril))
 
+	for _, avb_prop := range v.properties.Avb_properties {
+		key := proptools.String(avb_prop.Key)
+		if key == "" {
+			ctx.PropertyErrorf("avb_properties", "key must be specified")
+			continue
+		}
+		value := proptools.String(avb_prop.Value)
+		if value == "" {
+			ctx.PropertyErrorf("avb_properties", "value must be specified")
+			continue
+		}
+		cmd.FlagWithArg("--prop ", key+":"+value)
+	}
+
 	for _, p := range ctx.GetDirectDepsWithTag(vbmetaPartitionDep) {
 		f, ok := p.(Filesystem)
 		if !ok {
diff --git a/genrule/allowlists.go b/genrule/allowlists.go
index d308f75..d8819b2 100644
--- a/genrule/allowlists.go
+++ b/genrule/allowlists.go
@@ -18,144 +18,21 @@
 	DepfileAllowList = []string{
 		// go/keep-sorted start
 		"depfile_allowed_for_test",
-		"gen_uwb_core_proto",
-		"libtextclassifier_fbgen_actions_actions-entity-data",
-		"libtextclassifier_fbgen_actions_actions_model",
-		"libtextclassifier_fbgen_annotator_datetime_datetime",
-		"libtextclassifier_fbgen_annotator_entity-data",
-		"libtextclassifier_fbgen_annotator_experimental_experimental",
-		"libtextclassifier_fbgen_annotator_model",
-		"libtextclassifier_fbgen_annotator_person_name_person_name_model",
-		"libtextclassifier_fbgen_lang_id_common_flatbuffers_embedding-network",
-		"libtextclassifier_fbgen_lang_id_common_flatbuffers_model",
-		"libtextclassifier_fbgen_utils_codepoint-range",
-		"libtextclassifier_fbgen_utils_container_bit-vector",
-		"libtextclassifier_fbgen_utils_flatbuffers_flatbuffers",
-		"libtextclassifier_fbgen_utils_flatbuffers_flatbuffers_test",
-		"libtextclassifier_fbgen_utils_grammar_rules",
-		"libtextclassifier_fbgen_utils_grammar_semantics_expression",
-		"libtextclassifier_fbgen_utils_grammar_testing_value",
-		"libtextclassifier_fbgen_utils_i18n_language-tag",
-		"libtextclassifier_fbgen_utils_intents_intent-config",
-		"libtextclassifier_fbgen_utils_lua_utils_tests",
-		"libtextclassifier_fbgen_utils_normalization",
-		"libtextclassifier_fbgen_utils_resources",
-		"libtextclassifier_fbgen_utils_tflite_text_encoder_config",
-		"libtextclassifier_fbgen_utils_tokenizer",
-		"libtextclassifier_fbgen_utils_zlib_buffer",
-		"tflite_support_metadata_schema",
-		"tflite_support_spm_config",
-		"tflite_support_spm_encoder_config",
 		// go/keep-sorted end
 	}
 
 	SandboxingDenyModuleList = []string{
 		// go/keep-sorted start
-		"ControlEnvProxyServerProto_cc",
-		"ControlEnvProxyServerProto_h",
 		"CtsApkVerityTestDebugFiles",
-		"FrontendStub_cc",
-		"FrontendStub_h",
-		"ImageProcessing-rscript",
-		"ImageProcessing2-rscript",
-		"ImageProcessingJB-rscript",
-		"MultiDexLegacyTestApp_genrule",
-		"PackageManagerServiceServerTests_apks_as_resources",
-		"PacketStreamerStub_cc",
-		"PacketStreamerStub_h",
-		"RSTest-rscript",
-		"RSTest_v11-rscript",
-		"RSTest_v14-rscript",
-		"RSTest_v16-rscript",
-		"Refocus-rscript",
-		"RsBalls-rscript",
-		"ScriptGroupTest-rscript",
-		"TracingVMProtoStub_cc",
-		"TracingVMProtoStub_h",
-		"VehicleServerProtoStub_cc",
-		"VehicleServerProtoStub_cc@2.0-grpc-trout",
-		"VehicleServerProtoStub_cc@default-grpc",
-		"VehicleServerProtoStub_h",
-		"VehicleServerProtoStub_h@2.0-grpc-trout",
-		"VehicleServerProtoStub_h@default-grpc",
-		"aidl-golden-test-build-hook-gen",
 		"aidl_camera_build_version",
-		"android-cts-verifier",
-		"android-support-multidex-instrumentation-version",
-		"android-support-multidex-version",
-		"angle_commit_id",
-		"apexer_test_host_tools",
-		"atest_integration_fake_src",
-		"authfs_test_apk_assets",
-		"awkgram.tab.h",
-		"c2hal_test_genc++",
-		"c2hal_test_genc++_headers",
 		"camera-its",
-		"checkIn-service-stub-lite",
-		"chre_atoms_log.h",
-		"common-profile-text-protos",
-		"core-tests-smali-dex",
-		"cronet_aml_base_android_runtime_jni_headers",
-		"cronet_aml_base_android_runtime_jni_headers__testing",
-		"cronet_aml_base_android_runtime_unchecked_jni_headers",
-		"cronet_aml_base_android_runtime_unchecked_jni_headers__testing",
-		"deqp_spvtools_update_build_version",
-		"egl_extensions_functions_hdr",
-		"egl_functions_hdr",
-		"emp_ematch.yacc.c",
-		"emp_ematch.yacc.h",
-		"fdt_test_tree_empty_memory_range_dtb",
-		"fdt_test_tree_multiple_memory_ranges_dtb",
-		"fdt_test_tree_one_memory_range_dtb",
-		"futility_cmds",
-		"gen_corrupt_rebootless_apex",
-		"gen_corrupt_superblock_apex",
-		"gen_key_mismatch_capex",
-		"gen_manifest_mismatch_apex_no_hashtree",
-		"generate_hash_v1",
-		"gles1_core_functions_hdr",
-		"gles1_extensions_functions_hdr",
-		"gles2_core_functions_hdr",
-		"gles2_extensions_functions_hdr",
-		"gles31_only_functions_hdr",
-		"gles3_only_functions_hdr",
-		"lib-test-profile-text-protos",
-		"libbssl_sys_src_nostd",
-		"libc_musl_sysroot_bits",
-		"libchrome-crypto-include",
-		"libchrome-include",
 		"libcore-non-cts-tests-txt",
-		"libmojo_jni_headers",
-		"libxml2_schema_fuzz_corpus",
-		"libxml2_xml_fuzz_corpus",
-		"measure_io_as_jar",
-		"pandora-python-gen-src",
-		"pixelatoms_defs.h",
-		"pixelstatsatoms.cpp",
-		"pixelstatsatoms.h",
-		"pvmfw_fdt_template_rs",
-		"r8retrace-dexdump-sample-app",
-		"r8retrace-run-retrace",
-		"sample-profile-text-protos",
-		"seller-frontend-service-stub-lite",
-		"services.core.protologsrc",
-		"statsd-config-protos",
-		"swiftshader_spvtools_update_build_version",
-		"temp_layoutlib",
-		"ue_unittest_erofs_imgs",
-		"uwb_core_artifacts",
-		"vm-tests-tf-lib",
-		"vndk_abi_dump_zip",
-		"vts_vndk_abi_dump_zip",
-		"wm_shell_protolog_src",
-		"wmtests.protologsrc",
 		// go/keep-sorted end
 	}
 
 	SandboxingDenyPathList = []string{
 		// go/keep-sorted start
 		"art/test",
-		"external/cronet",
 		// go/keep-sorted end
 	}
 )
diff --git a/genrule/genrule.go b/genrule/genrule.go
index 01cac5b..8f2c047 100644
--- a/genrule/genrule.go
+++ b/genrule/genrule.go
@@ -189,9 +189,6 @@
 
 	subName string
 	subDir  string
-
-	// Collect the module directory for IDE info in java/jdeps.go.
-	modulePaths []string
 }
 
 var _ android.MixedBuildBuildable = (*Module)(nil)
@@ -289,9 +286,6 @@
 func (g *Module) generateCommonBuildActions(ctx android.ModuleContext) {
 	g.subName = ctx.ModuleSubDir()
 
-	// Collect the module directory for IDE info in java/jdeps.go.
-	g.modulePaths = append(g.modulePaths, ctx.ModuleDir())
-
 	if len(g.properties.Export_include_dirs) > 0 {
 		for _, dir := range g.properties.Export_include_dirs {
 			g.exportedIncludeDirs = append(g.exportedIncludeDirs,
@@ -668,7 +662,6 @@
 			dpInfo.Deps = append(dpInfo.Deps, src)
 		}
 	}
-	dpInfo.Paths = append(dpInfo.Paths, g.modulePaths...)
 }
 
 func (g *Module) AndroidMk() android.AndroidMkData {
diff --git a/java/Android.bp b/java/Android.bp
index 4450c42..aa63aa3 100644
--- a/java/Android.bp
+++ b/java/Android.bp
@@ -9,12 +9,14 @@
         "blueprint",
         "blueprint-pathtools",
         "soong",
+        "soong-aconfig",
         "soong-android",
         "soong-bazel",
         "soong-cc",
         "soong-dexpreopt",
         "soong-genrule",
         "soong-java-config",
+        "soong-testing",
         "soong-provenance",
         "soong-python",
         "soong-remoteexec",
@@ -66,7 +68,6 @@
         "plugin.go",
         "prebuilt_apis.go",
         "proto.go",
-        "resourceshrinker.go",
         "robolectric.go",
         "rro.go",
         "sdk.go",
@@ -106,12 +107,12 @@
         "plugin_test.go",
         "prebuilt_apis_test.go",
         "proto_test.go",
-        "resourceshrinker_test.go",
         "rro_test.go",
         "sdk_test.go",
         "sdk_library_test.go",
         "system_modules_test.go",
         "systemserver_classpath_fragment_test.go",
+        "test_spec_test.go",
     ],
     pluginFor: ["soong_build"],
 }
diff --git a/java/aapt2.go b/java/aapt2.go
index 3bb70b5..17ee6ee 100644
--- a/java/aapt2.go
+++ b/java/aapt2.go
@@ -25,17 +25,23 @@
 	"android/soong/android"
 )
 
+func isPathValueResource(res android.Path) bool {
+	subDir := filepath.Dir(res.String())
+	subDir, lastDir := filepath.Split(subDir)
+	return strings.HasPrefix(lastDir, "values")
+}
+
 // Convert input resource file path to output file path.
 // values-[config]/<file>.xml -> values-[config]_<file>.arsc.flat;
 // For other resource file, just replace the last "/" with "_" and add .flat extension.
 func pathToAapt2Path(ctx android.ModuleContext, res android.Path) android.WritablePath {
 
 	name := res.Base()
-	subDir := filepath.Dir(res.String())
-	subDir, lastDir := filepath.Split(subDir)
-	if strings.HasPrefix(lastDir, "values") {
+	if isPathValueResource(res) {
 		name = strings.TrimSuffix(name, ".xml") + ".arsc"
 	}
+	subDir := filepath.Dir(res.String())
+	subDir, lastDir := filepath.Split(subDir)
 	name = lastDir + "_" + name + ".flat"
 	return android.PathForModuleOut(ctx, "aapt2", subDir, name)
 }
@@ -63,7 +69,21 @@
 
 // aapt2Compile compiles resources and puts the results in the requested directory.
 func aapt2Compile(ctx android.ModuleContext, dir android.Path, paths android.Paths,
-	flags []string) android.WritablePaths {
+	flags []string, productToFilter string) android.WritablePaths {
+	if productToFilter != "" && productToFilter != "default" {
+		// --filter-product leaves only product-specific resources. Product-specific resources only exist
+		// in value resources (values/*.xml), so filter value resource files only. Ignore other types of
+		// resources as they don't need to be in product characteristics RRO (and they will cause aapt2
+		// compile errors)
+		filteredPaths := android.Paths{}
+		for _, path := range paths {
+			if isPathValueResource(path) {
+				filteredPaths = append(filteredPaths, path)
+			}
+		}
+		paths = filteredPaths
+		flags = append([]string{"--filter-product " + productToFilter}, flags...)
+	}
 
 	// Shard the input paths so that they can be processed in parallel. If we shard them into too
 	// small chunks, the additional cost of spinning up aapt2 outweighs the performance gain. The
diff --git a/java/aar.go b/java/aar.go
index 6b89129..57a05d4 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -17,6 +17,7 @@
 import (
 	"fmt"
 	"path/filepath"
+	"slices"
 	"strconv"
 	"strings"
 
@@ -102,29 +103,32 @@
 
 	// true if RRO is enforced for any of the dependent modules
 	RROEnforcedForDependent bool `blueprint:"mutated"`
+
+	// Filter only specified product and ignore other products
+	Filter_product *string `blueprint:"mutated"`
 }
 
 type aapt struct {
-	aaptSrcJar                     android.Path
-	transitiveAaptRJars            android.Paths
-	transitiveAaptResourcePackages android.Paths
-	exportPackage                  android.Path
-	manifestPath                   android.Path
-	proguardOptionsFile            android.Path
-	rTxt                           android.Path
-	rJar                           android.Path
-	extraAaptPackagesFile          android.Path
-	mergedManifestFile             android.Path
-	noticeFile                     android.OptionalPath
-	assetPackage                   android.OptionalPath
-	isLibrary                      bool
-	defaultManifestVersion         string
-	useEmbeddedNativeLibs          bool
-	useEmbeddedDex                 bool
-	usesNonSdkApis                 bool
-	hasNoCode                      bool
-	LoggingParent                  string
-	resourceFiles                  android.Paths
+	aaptSrcJar                         android.Path
+	transitiveAaptRJars                android.Paths
+	transitiveAaptResourcePackagesFile android.Path
+	exportPackage                      android.Path
+	manifestPath                       android.Path
+	proguardOptionsFile                android.Path
+	rTxt                               android.Path
+	rJar                               android.Path
+	extraAaptPackagesFile              android.Path
+	mergedManifestFile                 android.Path
+	noticeFile                         android.OptionalPath
+	assetPackage                       android.OptionalPath
+	isLibrary                          bool
+	defaultManifestVersion             string
+	useEmbeddedNativeLibs              bool
+	useEmbeddedDex                     bool
+	usesNonSdkApis                     bool
+	hasNoCode                          bool
+	LoggingParent                      string
+	resourceFiles                      android.Paths
 
 	splitNames []string
 	splits     []split
@@ -162,6 +166,10 @@
 	return BoolDefault(a.aaptProperties.Use_resource_processor, false)
 }
 
+func (a *aapt) filterProduct() string {
+	return String(a.aaptProperties.Filter_product)
+}
+
 func (a *aapt) ExportPackage() android.Path {
 	return a.exportPackage
 }
@@ -432,7 +440,7 @@
 	var compiledResDirs []android.Paths
 	for _, dir := range resDirs {
 		a.resourceFiles = append(a.resourceFiles, dir.files...)
-		compiledResDirs = append(compiledResDirs, aapt2Compile(ctx, dir.dir, dir.files, compileFlags).Paths())
+		compiledResDirs = append(compiledResDirs, aapt2Compile(ctx, dir.dir, dir.files, compileFlags, a.filterProduct()).Paths())
 	}
 
 	for i, zip := range resZips {
@@ -491,7 +499,7 @@
 	}
 
 	for _, dir := range overlayDirs {
-		compiledOverlay = append(compiledOverlay, aapt2Compile(ctx, dir.dir, dir.files, compileFlags).Paths()...)
+		compiledOverlay = append(compiledOverlay, aapt2Compile(ctx, dir.dir, dir.files, compileFlags, a.filterProduct()).Paths()...)
 	}
 
 	var splitPackages android.WritablePaths
@@ -545,9 +553,16 @@
 		aapt2ExtractExtraPackages(ctx, extraPackages, srcJar)
 	}
 
+	transitiveAaptResourcePackages := staticDeps.resPackages().Strings()
+	transitiveAaptResourcePackages = slices.DeleteFunc(transitiveAaptResourcePackages, func(p string) bool {
+		return p == packageRes.String()
+	})
+	transitiveAaptResourcePackagesFile := android.PathForModuleOut(ctx, "transitive-res-packages")
+	android.WriteFileRule(ctx, transitiveAaptResourcePackagesFile, strings.Join(transitiveAaptResourcePackages, "\n"))
+
 	a.aaptSrcJar = srcJar
 	a.transitiveAaptRJars = transitiveRJars
-	a.transitiveAaptResourcePackages = staticDeps.resPackages()
+	a.transitiveAaptResourcePackagesFile = transitiveAaptResourcePackagesFile
 	a.exportPackage = packageRes
 	a.manifestPath = manifestPath
 	a.proguardOptionsFile = proguardOptionsFile
@@ -813,9 +828,13 @@
 
 	proguardSpecInfo := a.collectProguardSpecInfo(ctx)
 	ctx.SetProvider(ProguardSpecInfoProvider, proguardSpecInfo)
-	a.exportedProguardFlagFiles = proguardSpecInfo.ProguardFlagsFiles.ToList()
-	a.extraProguardFlagFiles = append(a.extraProguardFlagFiles, a.exportedProguardFlagFiles...)
-	a.extraProguardFlagFiles = append(a.extraProguardFlagFiles, a.proguardOptionsFile)
+	exportedProguardFlagsFiles := proguardSpecInfo.ProguardFlagsFiles.ToList()
+	a.extraProguardFlagsFiles = append(a.extraProguardFlagsFiles, exportedProguardFlagsFiles...)
+	a.extraProguardFlagsFiles = append(a.extraProguardFlagsFiles, a.proguardOptionsFile)
+
+	combinedExportedProguardFlagFile := android.PathForModuleOut(ctx, "export_proguard_flags")
+	writeCombinedProguardFlagsFile(ctx, combinedExportedProguardFlagFile, exportedProguardFlagsFiles)
+	a.combinedExportedProguardFlagsFile = combinedExportedProguardFlagFile
 
 	var extraSrcJars android.Paths
 	var extraCombinedJars android.Paths
@@ -933,15 +952,15 @@
 
 	properties AARImportProperties
 
-	classpathFile                  android.WritablePath
-	proguardFlags                  android.WritablePath
-	exportPackage                  android.WritablePath
-	transitiveAaptResourcePackages android.Paths
-	extraAaptPackagesFile          android.WritablePath
-	manifest                       android.WritablePath
-	assetsPackage                  android.WritablePath
-	rTxt                           android.WritablePath
-	rJar                           android.WritablePath
+	classpathFile                      android.WritablePath
+	proguardFlags                      android.WritablePath
+	exportPackage                      android.WritablePath
+	transitiveAaptResourcePackagesFile android.Path
+	extraAaptPackagesFile              android.WritablePath
+	manifest                           android.WritablePath
+	assetsPackage                      android.WritablePath
+	rTxt                               android.WritablePath
+	rJar                               android.WritablePath
 
 	resourcesNodesDepSet *android.DepSet[*resourcesNode]
 	manifestsDepSet      *android.DepSet[android.Path]
@@ -1204,7 +1223,13 @@
 	_ = staticManifestsDepSet
 	a.manifestsDepSet = manifestDepSetBuilder.Build()
 
-	a.transitiveAaptResourcePackages = staticDeps.resPackages()
+	transitiveAaptResourcePackages := staticDeps.resPackages().Strings()
+	transitiveAaptResourcePackages = slices.DeleteFunc(transitiveAaptResourcePackages, func(p string) bool {
+		return p == a.exportPackage.String()
+	})
+	transitiveAaptResourcePackagesFile := android.PathForModuleOut(ctx, "transitive-res-packages")
+	android.WriteFileRule(ctx, transitiveAaptResourcePackagesFile, strings.Join(transitiveAaptResourcePackages, "\n"))
+	a.transitiveAaptResourcePackagesFile = transitiveAaptResourcePackagesFile
 
 	a.collectTransitiveHeaderJars(ctx)
 	ctx.SetProvider(JavaInfoProvider, JavaInfo{
diff --git a/java/androidmk.go b/java/androidmk.go
index 97b303d..4da40d2 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -128,8 +128,8 @@
 					if library.dexpreopter.configPath != nil {
 						entries.SetPath("LOCAL_SOONG_DEXPREOPT_CONFIG", library.dexpreopter.configPath)
 					}
-
-					entries.SetOptionalPaths("LOCAL_ACONFIG_FILES", library.getTransitiveAconfigFiles().ToList())
+					// TODO(b/311155208): The container here should be system.
+					entries.SetOptionalPaths("LOCAL_ACONFIG_FILES", library.getTransitiveAconfigFiles(""))
 				},
 			},
 		})
@@ -274,7 +274,7 @@
 				entries.SetPath("LOCAL_SOONG_HEADER_JAR", prebuilt.classpathFile)
 				entries.SetPath("LOCAL_SOONG_CLASSES_JAR", prebuilt.classpathFile)
 				entries.SetPath("LOCAL_SOONG_RESOURCE_EXPORT_PACKAGE", prebuilt.exportPackage)
-				entries.SetPaths("LOCAL_SOONG_TRANSITIVE_RES_PACKAGES", prebuilt.transitiveAaptResourcePackages)
+				entries.SetPath("LOCAL_SOONG_TRANSITIVE_RES_PACKAGES", prebuilt.transitiveAaptResourcePackagesFile)
 				entries.SetPath("LOCAL_SOONG_EXPORT_PROGUARD_FLAGS", prebuilt.proguardFlags)
 				entries.SetPath("LOCAL_SOONG_STATIC_LIBRARY_EXTRA_PACKAGES", prebuilt.extraAaptPackagesFile)
 				entries.SetPath("LOCAL_FULL_MANIFEST_FILE", prebuilt.manifest)
@@ -306,7 +306,8 @@
 					if len(binary.dexpreopter.builtInstalled) > 0 {
 						entries.SetString("LOCAL_SOONG_BUILT_INSTALLED", binary.dexpreopter.builtInstalled)
 					}
-					entries.SetOptionalPaths("LOCAL_ACONFIG_FILES", binary.getTransitiveAconfigFiles().ToList())
+					// TODO(b/311155208): The container here should be system.
+					entries.SetOptionalPaths("LOCAL_ACONFIG_FILES", binary.getTransitiveAconfigFiles(""))
 				},
 			},
 			ExtraFooters: []android.AndroidMkExtraFootersFunc{
@@ -343,10 +344,15 @@
 			Disabled: true,
 		}}
 	}
+	var required []string
+	if proptools.Bool(app.appProperties.Generate_product_characteristics_rro) {
+		required = []string{app.productCharacteristicsRROPackageName()}
+	}
 	return []android.AndroidMkEntries{android.AndroidMkEntries{
 		Class:      "APPS",
 		OutputFile: android.OptionalPathForPath(app.outputFile),
 		Include:    "$(BUILD_SYSTEM)/soong_app_prebuilt.mk",
+		Required:   required,
 		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
 			func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
 				// App module names can be overridden.
@@ -454,7 +460,8 @@
 				entries.SetOptionalPaths("LOCAL_SOONG_LINT_REPORTS", app.linter.reports)
 
 				if app.Name() != "framework-res" {
-					entries.SetOptionalPaths("LOCAL_ACONFIG_FILES", app.getTransitiveAconfigFiles().ToList())
+					// TODO(b/311155208): The container here should be system.
+					entries.SetOptionalPaths("LOCAL_ACONFIG_FILES", app.getTransitiveAconfigFiles(""))
 				}
 			},
 		},
@@ -527,12 +534,13 @@
 		}
 
 		entries.SetPath("LOCAL_SOONG_RESOURCE_EXPORT_PACKAGE", a.exportPackage)
-		entries.SetPaths("LOCAL_SOONG_TRANSITIVE_RES_PACKAGES", a.transitiveAaptResourcePackages)
+		entries.SetPath("LOCAL_SOONG_TRANSITIVE_RES_PACKAGES", a.transitiveAaptResourcePackagesFile)
 		entries.SetPath("LOCAL_SOONG_STATIC_LIBRARY_EXTRA_PACKAGES", a.extraAaptPackagesFile)
 		entries.SetPath("LOCAL_FULL_MANIFEST_FILE", a.mergedManifestFile)
-		entries.AddStrings("LOCAL_SOONG_EXPORT_PROGUARD_FLAGS", a.exportedProguardFlagFiles.Strings()...)
+		entries.SetPath("LOCAL_SOONG_EXPORT_PROGUARD_FLAGS", a.combinedExportedProguardFlagsFile)
 		entries.SetBoolIfTrue("LOCAL_UNINSTALLABLE_MODULE", true)
-		entries.SetOptionalPaths("LOCAL_ACONFIG_FILES", a.getTransitiveAconfigFiles().ToList())
+		// TODO(b/311155208): The container here should be system.
+		entries.SetOptionalPaths("LOCAL_ACONFIG_FILES", a.getTransitiveAconfigFiles(""))
 	})
 
 	return entriesList
diff --git a/java/app.go b/java/app.go
index 2271378..0f46b4e 100755
--- a/java/app.go
+++ b/java/app.go
@@ -22,6 +22,7 @@
 	"path/filepath"
 	"strings"
 
+	"android/soong/testing"
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
@@ -130,6 +131,16 @@
 
 	// Specifies the file that contains the allowlist for this app.
 	Privapp_allowlist *string `android:"path"`
+
+	// If set, create an RRO package which contains only resources having PRODUCT_CHARACTERISTICS
+	// and install the RRO package to /product partition, instead of passing --product argument
+	// to aapt2. Default is false.
+	// Setting this will make this APK identical to all targets, regardless of
+	// PRODUCT_CHARACTERISTICS.
+	Generate_product_characteristics_rro *bool
+
+	ProductCharacteristicsRROPackageName        *string `blueprint:"mutated"`
+	ProductCharacteristicsRROManifestModuleName *string `blueprint:"mutated"`
 }
 
 // android_app properties that can be overridden by override_android_app
@@ -454,8 +465,9 @@
 	aaptLinkFlags := []string{}
 
 	// Add TARGET_AAPT_CHARACTERISTICS values to AAPT link flags if they exist and --product flags were not provided.
+	autogenerateRRO := proptools.Bool(a.appProperties.Generate_product_characteristics_rro)
 	hasProduct := android.PrefixInList(a.aaptProperties.Aaptflags, "--product")
-	if !hasProduct && len(ctx.Config().ProductAAPTCharacteristics()) > 0 {
+	if !autogenerateRRO && !hasProduct && len(ctx.Config().ProductAAPTCharacteristics()) > 0 {
 		aaptLinkFlags = append(aaptLinkFlags, "--product", ctx.Config().ProductAAPTCharacteristics())
 	}
 
@@ -514,8 +526,8 @@
 
 	staticLibProguardFlagFiles = android.FirstUniquePaths(staticLibProguardFlagFiles)
 
-	a.Module.extraProguardFlagFiles = append(a.Module.extraProguardFlagFiles, staticLibProguardFlagFiles...)
-	a.Module.extraProguardFlagFiles = append(a.Module.extraProguardFlagFiles, a.proguardOptionsFile)
+	a.Module.extraProguardFlagsFiles = append(a.Module.extraProguardFlagsFiles, staticLibProguardFlagFiles...)
+	a.Module.extraProguardFlagsFiles = append(a.Module.extraProguardFlagsFiles, a.proguardOptionsFile)
 }
 
 func (a *AndroidApp) installPath(ctx android.ModuleContext) android.InstallPath {
@@ -532,7 +544,7 @@
 	return android.PathForModuleInstall(ctx, installDir, a.installApkName+".apk")
 }
 
-func (a *AndroidApp) dexBuildActions(ctx android.ModuleContext) android.Path {
+func (a *AndroidApp) dexBuildActions(ctx android.ModuleContext) (android.Path, android.Path) {
 	a.dexpreopter.installPath = a.installPath(ctx)
 	a.dexpreopter.isApp = true
 	if a.dexProperties.Uncompress_dex == nil {
@@ -545,7 +557,15 @@
 	a.dexpreopter.manifestFile = a.mergedManifestFile
 	a.dexpreopter.preventInstall = a.appProperties.PreventInstall
 
+	var packageResources = a.exportPackage
+
 	if ctx.ModuleName() != "framework-res" {
+		if Bool(a.dexProperties.Optimize.Shrink_resources) {
+			protoFile := android.PathForModuleOut(ctx, packageResources.Base()+".proto.apk")
+			aapt2Convert(ctx, protoFile, packageResources, "proto")
+			a.dexer.resourcesInput = android.OptionalPathForPath(protoFile)
+		}
+
 		var extraSrcJars android.Paths
 		var extraClasspathJars android.Paths
 		var extraCombinedJars android.Paths
@@ -563,9 +583,14 @@
 		}
 
 		a.Module.compile(ctx, extraSrcJars, extraClasspathJars, extraCombinedJars)
+		if Bool(a.dexProperties.Optimize.Shrink_resources) {
+			binaryResources := android.PathForModuleOut(ctx, packageResources.Base()+".binary.out.apk")
+			aapt2Convert(ctx, binaryResources, a.dexer.resourcesOutput.Path(), "binary")
+			packageResources = binaryResources
+		}
 	}
 
-	return a.dexJarFile.PathOrNil()
+	return a.dexJarFile.PathOrNil(), packageResources
 }
 
 func (a *AndroidApp) jniBuildActions(jniLibs []jniLib, prebuiltJniPackages android.Paths, ctx android.ModuleContext) android.WritablePath {
@@ -750,7 +775,6 @@
 
 	// Process all building blocks, from AAPT to certificates.
 	a.aaptBuildActions(ctx)
-
 	// The decision to enforce <uses-library> checks is made before adding implicit SDK libraries.
 	a.usesLibrary.freezeEnforceUsesLibraries()
 
@@ -776,7 +800,7 @@
 	a.linter.resources = a.aapt.resourceFiles
 	a.linter.buildModuleReportZip = ctx.Config().UnbundledBuildApps()
 
-	dexJarFile := a.dexBuildActions(ctx)
+	dexJarFile, packageResources := a.dexBuildActions(ctx)
 
 	jniLibs, prebuiltJniPackages, certificates := collectAppDeps(ctx, a, a.shouldEmbedJnis(ctx), !Bool(a.appProperties.Jni_uses_platform_apis))
 	jniJarFile := a.jniBuildActions(jniLibs, prebuiltJniPackages, ctx)
@@ -800,7 +824,7 @@
 	}
 	rotationMinSdkVersion := String(a.overridableAppProperties.RotationMinSdkVersion)
 
-	CreateAndSignAppPackage(ctx, packageFile, a.exportPackage, jniJarFile, dexJarFile, certificates, apkDeps, v4SignatureFile, lineageFile, rotationMinSdkVersion, Bool(a.dexProperties.Optimize.Shrink_resources))
+	CreateAndSignAppPackage(ctx, packageFile, packageResources, jniJarFile, dexJarFile, certificates, apkDeps, v4SignatureFile, lineageFile, rotationMinSdkVersion)
 	a.outputFile = packageFile
 	if v4SigningRequested {
 		a.extraOutputFiles = append(a.extraOutputFiles, v4SignatureFile)
@@ -829,7 +853,7 @@
 		if v4SigningRequested {
 			v4SignatureFile = android.PathForModuleOut(ctx, a.installApkName+"_"+split.suffix+".apk.idsig")
 		}
-		CreateAndSignAppPackage(ctx, packageFile, split.path, nil, nil, certificates, apkDeps, v4SignatureFile, lineageFile, rotationMinSdkVersion, false)
+		CreateAndSignAppPackage(ctx, packageFile, split.path, nil, nil, certificates, apkDeps, v4SignatureFile, lineageFile, rotationMinSdkVersion)
 		a.extraOutputFiles = append(a.extraOutputFiles, packageFile)
 		if v4SigningRequested {
 			a.extraOutputFiles = append(a.extraOutputFiles, v4SignatureFile)
@@ -857,7 +881,7 @@
 			ctx.InstallFile(allowlistInstallPath, allowlistInstallFilename, a.privAppAllowlist.Path())
 		}
 
-		var extraInstalledPaths android.Paths
+		var extraInstalledPaths android.InstallPaths
 		for _, extra := range a.extraOutputFiles {
 			installed := ctx.InstallFile(a.installDir, extra.Base(), extra)
 			extraInstalledPaths = append(extraInstalledPaths, installed)
@@ -1056,6 +1080,8 @@
 		}
 	case ".export-package.apk":
 		return []android.Path{a.exportPackage}, nil
+	case ".manifest.xml":
+		return []android.Path{a.aapt.manifestPath}, nil
 	}
 	return a.Library.OutputFiles(tag)
 }
@@ -1085,6 +1111,14 @@
 	a.aapt.IDEInfo(dpInfo)
 }
 
+func (a *AndroidApp) productCharacteristicsRROPackageName() string {
+	return proptools.String(a.appProperties.ProductCharacteristicsRROPackageName)
+}
+
+func (a *AndroidApp) productCharacteristicsRROManifestModuleName() string {
+	return proptools.String(a.appProperties.ProductCharacteristicsRROManifestModuleName)
+}
+
 // android_app compiles sources and Android resources into an Android application package `.apk` file.
 func AndroidAppFactory() android.Module {
 	module := &AndroidApp{}
@@ -1111,6 +1145,57 @@
 	android.InitApexModule(module)
 	android.InitBazelModule(module)
 
+	android.AddLoadHook(module, func(ctx android.LoadHookContext) {
+		a := ctx.Module().(*AndroidApp)
+
+		characteristics := ctx.Config().ProductAAPTCharacteristics()
+		if characteristics == "default" || characteristics == "" {
+			module.appProperties.Generate_product_characteristics_rro = nil
+			// no need to create RRO
+			return
+		}
+
+		if !proptools.Bool(module.appProperties.Generate_product_characteristics_rro) {
+			return
+		}
+
+		rroPackageName := a.Name() + "__" + strings.ReplaceAll(characteristics, ",", "_") + "__auto_generated_characteristics_rro"
+		rroManifestName := rroPackageName + "_manifest"
+
+		a.appProperties.ProductCharacteristicsRROPackageName = proptools.StringPtr(rroPackageName)
+		a.appProperties.ProductCharacteristicsRROManifestModuleName = proptools.StringPtr(rroManifestName)
+
+		rroManifestProperties := struct {
+			Name  *string
+			Tools []string
+			Out   []string
+			Srcs  []string
+			Cmd   *string
+		}{
+			Name:  proptools.StringPtr(rroManifestName),
+			Tools: []string{"characteristics_rro_generator"},
+			Out:   []string{"AndroidManifest.xml"},
+			Srcs:  []string{":" + a.Name() + "{.manifest.xml}"},
+			Cmd:   proptools.StringPtr("$(location characteristics_rro_generator) $(in) $(out)"),
+		}
+		ctx.CreateModule(genrule.GenRuleFactory, &rroManifestProperties)
+
+		rroProperties := struct {
+			Name           *string
+			Filter_product *string
+			Aaptflags      []string
+			Manifest       *string
+			Resource_dirs  []string
+		}{
+			Name:           proptools.StringPtr(rroPackageName),
+			Filter_product: proptools.StringPtr(characteristics),
+			Aaptflags:      []string{"--auto-add-overlay"},
+			Manifest:       proptools.StringPtr(":" + rroManifestName),
+			Resource_dirs:  a.aaptProperties.Resource_dirs,
+		}
+		ctx.CreateModule(RuntimeResourceOverlayFactory, &rroProperties)
+	})
+
 	return module
 }
 
@@ -1193,6 +1278,7 @@
 	a.testConfig = a.FixTestConfig(ctx, testConfig)
 	a.extraTestConfigs = android.PathsForModuleSrc(ctx, a.testProperties.Test_options.Extra_test_configs)
 	a.data = android.PathsForModuleSrc(ctx, a.testProperties.Data)
+	ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{})
 }
 
 func (a *AndroidTest) FixTestConfig(ctx android.ModuleContext, testConfig android.Path) android.Path {
diff --git a/java/app_builder.go b/java/app_builder.go
index d397ff7..943ce31 100644
--- a/java/app_builder.go
+++ b/java/app_builder.go
@@ -52,7 +52,7 @@
 	})
 
 func CreateAndSignAppPackage(ctx android.ModuleContext, outputFile android.WritablePath,
-	packageFile, jniJarFile, dexJarFile android.Path, certificates []Certificate, deps android.Paths, v4SignatureFile android.WritablePath, lineageFile android.Path, rotationMinSdkVersion string, shrinkResources bool) {
+	packageFile, jniJarFile, dexJarFile android.Path, certificates []Certificate, deps android.Paths, v4SignatureFile android.WritablePath, lineageFile android.Path, rotationMinSdkVersion string) {
 
 	unsignedApkName := strings.TrimSuffix(outputFile.Base(), ".apk") + "-unsigned.apk"
 	unsignedApk := android.PathForModuleOut(ctx, unsignedApkName)
@@ -71,12 +71,6 @@
 		Output:    unsignedApk,
 		Implicits: deps,
 	})
-
-	if shrinkResources {
-		shrunkenApk := android.PathForModuleOut(ctx, "resource-shrunken", unsignedApk.Base())
-		ShrinkResources(ctx, unsignedApk, shrunkenApk)
-		unsignedApk = shrunkenApk
-	}
 	SignAppPackage(ctx, outputFile, unsignedApk, certificates, v4SignatureFile, lineageFile, rotationMinSdkVersion)
 }
 
diff --git a/java/base.go b/java/base.go
index 3d7d3de..295340d 100644
--- a/java/base.go
+++ b/java/base.go
@@ -25,6 +25,7 @@
 	"github.com/google/blueprint/pathtools"
 	"github.com/google/blueprint/proptools"
 
+	"android/soong/aconfig"
 	"android/soong/android"
 	"android/soong/dexpreopt"
 	"android/soong/java/config"
@@ -497,9 +498,6 @@
 	// list of the xref extraction files
 	kytheFiles android.Paths
 
-	// Collect the module directory for IDE info in java/jdeps.go.
-	modulePaths []string
-
 	hideApexVariantFromMake bool
 
 	sdkVersion    android.SdkSpec
@@ -515,13 +513,8 @@
 	// or the module should override Stem().
 	stem string
 
-	// Aconfig "cache files" that went directly into this module.  Transitive ones are
-	// tracked via JavaInfo.TransitiveAconfigFiles
-	// TODO: Extract to something standalone to propagate tags via GeneratedJavaLibraryModule
-	aconfigIntermediates android.Paths
-
-	// Aconfig files for all transitive deps.  Also exposed via JavaInfo
-	transitiveAconfigFiles *android.DepSet[android.Path]
+	// Aconfig files for all transitive deps.  Also exposed via TransitiveDeclarationsInfo
+	transitiveAconfigFiles map[string]*android.DepSet[android.Path]
 }
 
 func (j *Module) CheckStableSdkVersion(ctx android.BaseModuleContext) error {
@@ -1618,7 +1611,7 @@
 	if ctx.Device() && (Bool(j.properties.Installable) || Bool(compileDex)) {
 		if j.hasCode(ctx) {
 			if j.shouldInstrumentStatic(ctx) {
-				j.dexer.extraProguardFlagFiles = append(j.dexer.extraProguardFlagFiles,
+				j.dexer.extraProguardFlagsFiles = append(j.dexer.extraProguardFlagsFiles,
 					android.PathForSource(ctx, "build/make/core/proguard.jacoco.flags"))
 			}
 			// Dex compilation
@@ -1726,7 +1719,7 @@
 
 	ctx.CheckbuildFile(outputFile)
 
-	j.collectTransitiveAconfigFiles(ctx)
+	aconfig.CollectTransitiveAconfigFiles(ctx, &j.transitiveAconfigFiles)
 
 	ctx.SetProvider(JavaInfoProvider, JavaInfo{
 		HeaderJars:                     android.PathsIfNonNil(j.headerJarFile),
@@ -1743,7 +1736,6 @@
 		ExportedPluginClasses:          j.exportedPluginClasses,
 		ExportedPluginDisableTurbine:   j.exportedDisableTurbine,
 		JacocoReportClassesFile:        j.jacocoReportClassesFile,
-		TransitiveAconfigFiles:         j.transitiveAconfigFiles,
 	})
 
 	// Save the output file with no relative path so that it doesn't end up in a subdirectory when used as a resource
@@ -2015,7 +2007,6 @@
 	if j.expandJarjarRules != nil {
 		dpInfo.Jarjar_rules = append(dpInfo.Jarjar_rules, j.expandJarjarRules.String())
 	}
-	dpInfo.Paths = append(dpInfo.Paths, j.modulePaths...)
 	dpInfo.Static_libs = append(dpInfo.Static_libs, j.properties.Static_libs...)
 	dpInfo.Libs = append(dpInfo.Libs, j.properties.Libs...)
 	dpInfo.SrcJars = append(dpInfo.SrcJars, j.annoSrcJars.Strings()...)
@@ -2085,32 +2076,8 @@
 	return Bool(j.properties.Installable)
 }
 
-func (j *Module) collectTransitiveAconfigFiles(ctx android.ModuleContext) {
-	// Aconfig files from this module
-	mine := j.aconfigIntermediates
-
-	// Aconfig files from transitive dependencies
-	fromDeps := []*android.DepSet[android.Path]{}
-	ctx.VisitDirectDeps(func(module android.Module) {
-		dep := ctx.OtherModuleProvider(module, JavaInfoProvider).(JavaInfo)
-		if dep.TransitiveAconfigFiles != nil {
-			fromDeps = append(fromDeps, dep.TransitiveAconfigFiles)
-		}
-	})
-
-	// DepSet containing aconfig files myself and from dependencies
-	j.transitiveAconfigFiles = android.NewDepSet(android.POSTORDER, mine, fromDeps)
-}
-
-func (j *Module) AddAconfigIntermediate(path android.Path) {
-	j.aconfigIntermediates = append(j.aconfigIntermediates, path)
-}
-
-func (j *Module) getTransitiveAconfigFiles() *android.DepSet[android.Path] {
-	if j.transitiveAconfigFiles == nil {
-		panic(fmt.Errorf("java.Moduile: getTransitiveAconfigFiles called before collectTransitiveAconfigFiles module=%s", j.Name()))
-	}
-	return j.transitiveAconfigFiles
+func (j *Module) getTransitiveAconfigFiles(container string) []android.Path {
+	return j.transitiveAconfigFiles[container].ToList()
 }
 
 type sdkLinkType int
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index 7d8a9f7..191a65e 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -23,6 +23,7 @@
 
 	"android/soong/android"
 	"android/soong/dexpreopt"
+	"android/soong/testing"
 
 	"github.com/google/blueprint/proptools"
 
@@ -238,9 +239,6 @@
 
 	sourceOnlyProperties SourceOnlyBootclasspathProperties
 
-	// Collect the module directory for IDE info in java/jdeps.go.
-	modulePaths []string
-
 	// Path to the boot image profile.
 	profilePath android.WritablePath
 }
@@ -471,9 +469,6 @@
 	// Generate classpaths.proto config
 	b.generateClasspathProtoBuildActions(ctx)
 
-	// Collect the module directory for IDE info in java/jdeps.go.
-	b.modulePaths = append(b.modulePaths, ctx.ModuleDir())
-
 	// Gather the bootclasspath fragment's contents.
 	var contents []android.Module
 	ctx.VisitDirectDeps(func(module android.Module) {
@@ -505,6 +500,7 @@
 	if ctx.Module() != ctx.FinalModule() {
 		b.HideFromMake()
 	}
+	ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{})
 }
 
 // getProfileProviderApex returns the name of the apex that provides a boot image profile, or an
@@ -582,7 +578,7 @@
 		// So ignore it even if it is not in PRODUCT_APEX_BOOT_JARS.
 		// TODO(b/202896428): Add better way to handle this.
 		_, unknown = android.RemoveFromList("android.car-module", unknown)
-		if len(unknown) > 0 {
+		if isActiveModule(ctx.Module()) && len(unknown) > 0 {
 			ctx.ModuleErrorf("%s in contents must also be declared in PRODUCT_APEX_BOOT_JARS", unknown)
 		}
 	}
@@ -801,7 +797,6 @@
 // Collect information for opening IDE project files in java/jdeps.go.
 func (b *BootclasspathFragmentModule) IDEInfo(dpInfo *android.IdeInfo) {
 	dpInfo.Deps = append(dpInfo.Deps, b.properties.Contents...)
-	dpInfo.Paths = append(dpInfo.Paths, b.modulePaths...)
 }
 
 type bootclasspathFragmentMemberType struct {
diff --git a/java/builder.go b/java/builder.go
index ee7e225..d03c8e5 100644
--- a/java/builder.go
+++ b/java/builder.go
@@ -264,6 +264,16 @@
 			Command:     `${config.Zip2ZipCmd} -i ${in} -o ${out} -x 'META-INF/services/**/*'`,
 			CommandDeps: []string{"${config.Zip2ZipCmd}"},
 		})
+
+	writeCombinedProguardFlagsFileRule = pctx.AndroidStaticRule("writeCombinedProguardFlagsFileRule",
+		blueprint.RuleParams{
+			Command: `rm -f $out && ` +
+				`for f in $in; do ` +
+				` echo  && ` +
+				` echo "# including $$f" && ` +
+				` cat $$f; ` +
+				`done > $out`,
+		})
 )
 
 func init() {
@@ -686,6 +696,15 @@
 	})
 }
 
+func writeCombinedProguardFlagsFile(ctx android.ModuleContext, outputFile android.WritablePath, files android.Paths) {
+	ctx.Build(pctx, android.BuildParams{
+		Rule:        writeCombinedProguardFlagsFileRule,
+		Description: "write combined proguard flags file",
+		Inputs:      files,
+		Output:      outputFile,
+	})
+}
+
 type classpath android.Paths
 
 func (x *classpath) formJoinedClassPath(optName string, sep string) string {
diff --git a/java/config/config.go b/java/config/config.go
index 83c27d3..0098130 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -133,7 +133,12 @@
 		if override := ctx.Config().Getenv("OVERRIDE_JLINK_VERSION_NUMBER"); override != "" {
 			return override
 		}
-		return "17"
+		switch ctx.Config().Getenv("EXPERIMENTAL_USE_OPENJDK21_TOOLCHAIN") {
+		case "true":
+			return "21"
+		default:
+			return "17"
+		}
 	})
 
 	pctx.SourcePathVariable("JavaToolchain", "${JavaHome}/bin")
diff --git a/java/dex.go b/java/dex.go
index aa01783..6f1c09d 100644
--- a/java/dex.go
+++ b/java/dex.go
@@ -91,10 +91,12 @@
 	dexProperties DexProperties
 
 	// list of extra proguard flag files
-	extraProguardFlagFiles android.Paths
-	proguardDictionary     android.OptionalPath
-	proguardConfiguration  android.OptionalPath
-	proguardUsageZip       android.OptionalPath
+	extraProguardFlagsFiles android.Paths
+	proguardDictionary      android.OptionalPath
+	proguardConfiguration   android.OptionalPath
+	proguardUsageZip        android.OptionalPath
+	resourcesInput          android.OptionalPath
+	resourcesOutput         android.OptionalPath
 
 	providesTransitiveHeaderJars
 }
@@ -106,7 +108,7 @@
 var d8, d8RE = pctx.MultiCommandRemoteStaticRules("d8",
 	blueprint.RuleParams{
 		Command: `rm -rf "$outDir" && mkdir -p "$outDir" && ` +
-			`$d8Template${config.D8Cmd} ${config.D8Flags} --output $outDir $d8Flags --no-dex-input-jar $in && ` +
+			`$d8Template${config.D8Cmd} ${config.D8Flags} $d8Flags --output $outDir --no-dex-input-jar $in && ` +
 			`$zipTemplate${config.SoongZipCmd} $zipFlags -o $outDir/classes.dex.jar -C $outDir -f "$outDir/classes*.dex" && ` +
 			`${config.MergeZipsCmd} -D -stripFile "**/*.class" $mergeZipsFlags $out $outDir/classes.dex.jar $in && ` +
 			`rm -f "$outDir/classes*.dex" "$outDir/classes.dex.jar"`,
@@ -137,13 +139,12 @@
 		Command: `rm -rf "$outDir" && mkdir -p "$outDir" && ` +
 			`rm -f "$outDict" && rm -f "$outConfig" && rm -rf "${outUsageDir}" && ` +
 			`mkdir -p $$(dirname ${outUsage}) && ` +
-			`$r8Template${config.R8Cmd} ${config.R8Flags} -injars $in --output $outDir ` +
+			`$r8Template${config.R8Cmd} ${config.R8Flags} $r8Flags -injars $in --output $outDir ` +
 			`--no-data-resources ` +
 			`-printmapping ${outDict} ` +
 			`-printconfiguration ${outConfig} ` +
 			`-printusage ${outUsage} ` +
-			`--deps-file ${out}.d ` +
-			`$r8Flags && ` +
+			`--deps-file ${out}.d && ` +
 			`touch "${outDict}" "${outConfig}" "${outUsage}" && ` +
 			`${config.SoongZipCmd} -o ${outUsageZip} -C ${outUsageDir} -f ${outUsage} && ` +
 			`rm -rf ${outUsageDir} && ` +
@@ -161,7 +162,7 @@
 		"$r8Template": &remoteexec.REParams{
 			Labels:          map[string]string{"type": "compile", "compiler": "r8"},
 			Inputs:          []string{"$implicits", "${config.R8Jar}"},
-			OutputFiles:     []string{"${outUsage}", "${outConfig}", "${outDict}"},
+			OutputFiles:     []string{"${outUsage}", "${outConfig}", "${outDict}", "${resourcesOutput}"},
 			ExecStrategy:    "${config.RER8ExecStrategy}",
 			ToolchainInputs: []string{"${config.JavaCmd}"},
 			Platform:        map[string]string{remoteexec.PoolKey: "${config.REJavaPool}"},
@@ -181,7 +182,7 @@
 			Platform:     map[string]string{remoteexec.PoolKey: "${config.REJavaPool}"},
 		},
 	}, []string{"outDir", "outDict", "outConfig", "outUsage", "outUsageZip", "outUsageDir",
-		"r8Flags", "zipFlags", "mergeZipsFlags"}, []string{"implicits"})
+		"r8Flags", "zipFlags", "mergeZipsFlags", "resourcesOutput"}, []string{"implicits"})
 
 func (d *dexer) dexCommonFlags(ctx android.ModuleContext,
 	dexParams *compileDexParams) (flags []string, deps android.Paths) {
@@ -295,7 +296,7 @@
 		android.PathForSource(ctx, "build/make/core/proguard.flags"),
 	}
 
-	flagFiles = append(flagFiles, d.extraProguardFlagFiles...)
+	flagFiles = append(flagFiles, d.extraProguardFlagsFiles...)
 	// TODO(ccross): static android library proguard files
 
 	flagFiles = append(flagFiles, android.PathsForModuleSrc(ctx, opt.Proguard_flags_files)...)
@@ -350,6 +351,12 @@
 		r8Flags = append(r8Flags, "-ignorewarnings")
 	}
 
+	if d.resourcesInput.Valid() {
+		r8Flags = append(r8Flags, "--resource-input", d.resourcesInput.Path().String())
+		r8Deps = append(r8Deps, d.resourcesInput.Path())
+		r8Flags = append(r8Flags, "--resource-output", d.resourcesOutput.Path().String())
+	}
+
 	return r8Flags, r8Deps
 }
 
@@ -391,6 +398,8 @@
 			android.ModuleNameWithPossibleOverride(ctx), "unused.txt")
 		proguardUsageZip := android.PathForModuleOut(ctx, "proguard_usage.zip")
 		d.proguardUsageZip = android.OptionalPathForPath(proguardUsageZip)
+		resourcesOutput := android.PathForModuleOut(ctx, "package-res-shrunken.apk")
+		d.resourcesOutput = android.OptionalPathForPath(resourcesOutput)
 		r8Flags, r8Deps := d.r8Flags(ctx, dexParams.flags)
 		r8Deps = append(r8Deps, commonDeps...)
 		rule := r8
@@ -409,17 +418,22 @@
 			rule = r8RE
 			args["implicits"] = strings.Join(r8Deps.Strings(), ",")
 		}
+		implicitOutputs := android.WritablePaths{
+			proguardDictionary,
+			proguardUsageZip,
+			proguardConfiguration}
+		if d.resourcesInput.Valid() {
+			implicitOutputs = append(implicitOutputs, resourcesOutput)
+			args["resourcesOutput"] = resourcesOutput.String()
+		}
 		ctx.Build(pctx, android.BuildParams{
-			Rule:        rule,
-			Description: "r8",
-			Output:      javalibJar,
-			ImplicitOutputs: android.WritablePaths{
-				proguardDictionary,
-				proguardUsageZip,
-				proguardConfiguration},
-			Input:     dexParams.classesJar,
-			Implicits: r8Deps,
-			Args:      args,
+			Rule:            rule,
+			Description:     "r8",
+			Output:          javalibJar,
+			ImplicitOutputs: implicitOutputs,
+			Input:           dexParams.classesJar,
+			Implicits:       r8Deps,
+			Args:            args,
 		})
 	} else {
 		d8Flags, d8Deps := d8Flags(dexParams.flags)
diff --git a/java/dexpreopt.go b/java/dexpreopt.go
index 998730e..fe8c5fb 100644
--- a/java/dexpreopt.go
+++ b/java/dexpreopt.go
@@ -374,8 +374,6 @@
 		PreoptBootClassPathDexFiles:     dexFiles.Paths(),
 		PreoptBootClassPathDexLocations: dexLocations,
 
-		PreoptExtractedApk: false,
-
 		NoCreateAppImage:    !BoolDefault(d.dexpreoptProperties.Dex_preopt.App_image, true),
 		ForceCreateAppImage: BoolDefault(d.dexpreoptProperties.Dex_preopt.App_image, false),
 
diff --git a/java/droidstubs.go b/java/droidstubs.go
index 180ba92..6b8d21f 100644
--- a/java/droidstubs.go
+++ b/java/droidstubs.go
@@ -19,7 +19,6 @@
 	"path/filepath"
 	"regexp"
 	"sort"
-	"strconv"
 	"strings"
 
 	"github.com/google/blueprint/proptools"
@@ -500,18 +499,20 @@
 	if metalavaUseRbe(ctx) {
 		rule.Remoteable(android.RemoteRuleSupports{RBE: true})
 		execStrategy := ctx.Config().GetenvWithDefault("RBE_METALAVA_EXEC_STRATEGY", remoteexec.LocalExecStrategy)
-		compare, _ := strconv.ParseBool(ctx.Config().GetenvWithDefault("RBE_METALAVA_COMPARE", "false"))
+		compare := ctx.Config().IsEnvTrue("RBE_METALAVA_COMPARE")
+		remoteUpdateCache := !ctx.Config().IsEnvFalse("RBE_METALAVA_REMOTE_UPDATE_CACHE")
 		labels := map[string]string{"type": "tool", "name": "metalava"}
 		// TODO: metalava pool rejects these jobs
 		pool := ctx.Config().GetenvWithDefault("RBE_METALAVA_POOL", "java16")
 		rule.Rewrapper(&remoteexec.REParams{
-			Labels:          labels,
-			ExecStrategy:    execStrategy,
-			ToolchainInputs: []string{config.JavaCmd(ctx).String()},
-			Platform:        map[string]string{remoteexec.PoolKey: pool},
-			Compare:         compare,
-			NumLocalRuns:    1,
-			NumRemoteRuns:   1,
+			Labels:              labels,
+			ExecStrategy:        execStrategy,
+			ToolchainInputs:     []string{config.JavaCmd(ctx).String()},
+			Platform:            map[string]string{remoteexec.PoolKey: pool},
+			Compare:             compare,
+			NumLocalRuns:        1,
+			NumRemoteRuns:       1,
+			NoRemoteUpdateCache: !remoteUpdateCache,
 		})
 	}
 
diff --git a/java/generated_java_library_test.go b/java/generated_java_library_test.go
index 7fbbfee..ac9524e 100644
--- a/java/generated_java_library_test.go
+++ b/java/generated_java_library_test.go
@@ -37,7 +37,6 @@
 }
 
 func (callbacks *JavaGenLibTestCallbacks) GenerateSourceJarBuildActions(module *GeneratedJavaLibraryModule, ctx android.ModuleContext) android.Path {
-	module.AddAconfigIntermediate(android.PathForOutput(ctx, "aconfig_cache_file"))
 	return android.PathForOutput(ctx, "blah.srcjar")
 }
 
diff --git a/java/java.go b/java/java.go
index dd04188..2236d05 100644
--- a/java/java.go
+++ b/java/java.go
@@ -27,6 +27,7 @@
 	"android/soong/bazel"
 	"android/soong/bazel/cquery"
 	"android/soong/remoteexec"
+	"android/soong/testing"
 	"android/soong/ui/metrics/bp2build_metrics_proto"
 
 	"github.com/google/blueprint"
@@ -296,15 +297,6 @@
 	// JacocoReportClassesFile is the path to a jar containing uninstrumented classes that will be
 	// instrumented by jacoco.
 	JacocoReportClassesFile android.Path
-
-	// set of aconfig flags for all transitive libs deps
-	// TODO(joeo): It would be nice if this were over in the aconfig package instead of here.
-	// In order to do that, generated_java_library would need a way doing
-	// collectTransitiveAconfigFiles with one of the callbacks, and having that automatically
-	// propagated. If we were to clean up more of the stuff on JavaInfo that's not part of
-	// core java rules (e.g. AidlIncludeDirs), then maybe adding more framework to do that would be
-	// worth it.
-	TransitiveAconfigFiles *android.DepSet[android.Path]
 }
 
 var JavaInfoProvider = blueprint.NewProvider(JavaInfo{})
@@ -638,9 +630,9 @@
 type Library struct {
 	Module
 
-	exportedProguardFlagFiles android.Paths
+	combinedExportedProguardFlagsFile android.Path
 
-	InstallMixin func(ctx android.ModuleContext, installPath android.Path) (extraInstallDeps android.Paths)
+	InstallMixin func(ctx android.ModuleContext, installPath android.Path) (extraInstallDeps android.InstallPaths)
 }
 
 var _ android.ApexModule = (*Library)(nil)
@@ -699,8 +691,12 @@
 
 	proguardSpecInfo := j.collectProguardSpecInfo(ctx)
 	ctx.SetProvider(ProguardSpecInfoProvider, proguardSpecInfo)
-	j.exportedProguardFlagFiles = proguardSpecInfo.ProguardFlagsFiles.ToList()
-	j.extraProguardFlagFiles = append(j.extraProguardFlagFiles, j.exportedProguardFlagFiles...)
+	exportedProguardFlagsFiles := proguardSpecInfo.ProguardFlagsFiles.ToList()
+	j.extraProguardFlagsFiles = append(j.extraProguardFlagsFiles, exportedProguardFlagsFiles...)
+
+	combinedExportedProguardFlagFile := android.PathForModuleOut(ctx, "export_proguard_flags")
+	writeCombinedProguardFlagsFile(ctx, combinedExportedProguardFlagFile, exportedProguardFlagsFiles)
+	j.combinedExportedProguardFlagsFile = combinedExportedProguardFlagFile
 
 	apexInfo := ctx.Provider(android.ApexInfoProvider).(android.ApexInfo)
 	if !apexInfo.IsForPlatform() {
@@ -719,12 +715,9 @@
 	}
 	j.compile(ctx, nil, nil, nil)
 
-	// Collect the module directory for IDE info in java/jdeps.go.
-	j.modulePaths = append(j.modulePaths, ctx.ModuleDir())
-
 	exclusivelyForApex := !apexInfo.IsForPlatform()
 	if (Bool(j.properties.Installable) || ctx.Host()) && !exclusivelyForApex {
-		var extraInstallDeps android.Paths
+		var extraInstallDeps android.InstallPaths
 		if j.InstallMixin != nil {
 			extraInstallDeps = j.InstallMixin(ctx, j.outputFile)
 		}
@@ -1228,10 +1221,12 @@
 	}
 
 	j.Test.generateAndroidBuildActionsWithConfig(ctx, configs)
+	ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{})
 }
 
 func (j *Test) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	j.generateAndroidBuildActionsWithConfig(ctx, nil)
+	ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{})
 }
 
 func (j *Test) generateAndroidBuildActionsWithConfig(ctx android.ModuleContext, configs []tradefed.Config) {
diff --git a/java/jdeps.go b/java/jdeps.go
index 4c8c11c..7e3a14f 100644
--- a/java/jdeps.go
+++ b/java/jdeps.go
@@ -75,7 +75,7 @@
 		dpInfo.Jarjar_rules = android.FirstUniqueStrings(dpInfo.Jarjar_rules)
 		dpInfo.Jars = android.FirstUniqueStrings(dpInfo.Jars)
 		dpInfo.SrcJars = android.FirstUniqueStrings(dpInfo.SrcJars)
-		dpInfo.Paths = android.FirstUniqueStrings(dpInfo.Paths)
+		dpInfo.Paths = []string{ctx.ModuleDir(module)}
 		dpInfo.Static_libs = android.FirstUniqueStrings(dpInfo.Static_libs)
 		dpInfo.Libs = android.FirstUniqueStrings(dpInfo.Libs)
 		moduleInfos[name] = dpInfo
diff --git a/java/resourceshrinker.go b/java/resourceshrinker.go
deleted file mode 100644
index bf1b04d..0000000
--- a/java/resourceshrinker.go
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2022 Google Inc. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package java
-
-import (
-	"android/soong/android"
-
-	"github.com/google/blueprint"
-)
-
-var shrinkResources = pctx.AndroidStaticRule("shrinkResources",
-	blueprint.RuleParams{
-		// Note that we suppress stdout to avoid successful log confirmations.
-		Command:     `${config.ResourceShrinkerCmd} --output $out --input $in --raw_resources $raw_resources >/dev/null`,
-		CommandDeps: []string{"${config.ResourceShrinkerCmd}"},
-	}, "raw_resources")
-
-func ShrinkResources(ctx android.ModuleContext, apk android.Path, outputFile android.WritablePath) {
-	protoFile := android.PathForModuleOut(ctx, apk.Base()+".proto.apk")
-	aapt2Convert(ctx, protoFile, apk, "proto")
-	strictModeFile := android.PathForSource(ctx, "prebuilts/cmdline-tools/shrinker.xml")
-	protoOut := android.PathForModuleOut(ctx, apk.Base()+".proto.out.apk")
-	ctx.Build(pctx, android.BuildParams{
-		Rule:   shrinkResources,
-		Input:  protoFile,
-		Output: protoOut,
-		Args: map[string]string{
-			"raw_resources": strictModeFile.String(),
-		},
-	})
-	aapt2Convert(ctx, outputFile, protoOut, "binary")
-}
diff --git a/java/resourceshrinker_test.go b/java/resourceshrinker_test.go
deleted file mode 100644
index 3bbf116..0000000
--- a/java/resourceshrinker_test.go
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright 2022 Google Inc. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package java
-
-import (
-	"testing"
-
-	"android/soong/android"
-)
-
-func TestShrinkResourcesArgs(t *testing.T) {
-	result := android.GroupFixturePreparers(
-		PrepareForTestWithJavaDefaultModules,
-	).RunTestWithBp(t, `
-		android_app {
-			name: "app_shrink",
-			platform_apis: true,
-			optimize: {
-				shrink_resources: true,
-			}
-		}
-
-		android_app {
-			name: "app_no_shrink",
-			platform_apis: true,
-			optimize: {
-				shrink_resources: false,
-			}
-		}
-	`)
-
-	appShrink := result.ModuleForTests("app_shrink", "android_common")
-	appShrinkResources := appShrink.Rule("shrinkResources")
-	android.AssertStringDoesContain(t, "expected shrinker.xml in app_shrink resource shrinker flags",
-		appShrinkResources.Args["raw_resources"], "shrinker.xml")
-
-	appNoShrink := result.ModuleForTests("app_no_shrink", "android_common")
-	if appNoShrink.MaybeRule("shrinkResources").Rule != nil {
-		t.Errorf("unexpected shrinkResources rule for app_no_shrink")
-	}
-}
diff --git a/java/robolectric.go b/java/robolectric.go
index af56339..a66b310 100644
--- a/java/robolectric.go
+++ b/java/robolectric.go
@@ -22,6 +22,7 @@
 
 	"android/soong/android"
 	"android/soong/java/config"
+	"android/soong/testing"
 	"android/soong/tradefed"
 
 	"github.com/google/blueprint/proptools"
@@ -225,7 +226,7 @@
 	}
 
 	installPath := android.PathForModuleInstall(ctx, r.BaseModuleName())
-	var installDeps android.Paths
+	var installDeps android.InstallPaths
 
 	if r.manifest != nil {
 		r.data = append(r.data, r.manifest)
@@ -253,6 +254,7 @@
 	}
 
 	r.installFile = ctx.InstallFile(installPath, ctx.ModuleName()+".jar", r.combinedJar, installDeps...)
+	ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{})
 }
 
 func generateRoboTestConfig(ctx android.ModuleContext, outputFile android.WritablePath,
diff --git a/java/sdk_library.go b/java/sdk_library.go
index ea45174..fbfe509 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -624,6 +624,13 @@
 		Legacy_errors_allowed *bool
 	}
 
+	// Determines if the module contributes to any api surfaces.
+	// This property should be set to true only if the module is listed under
+	// frameworks-base-api.bootclasspath in frameworks/base/api/Android.bp.
+	// Otherwise, this property should be set to false.
+	// Defaults to false.
+	Contribute_to_android_api *bool
+
 	// TODO: determines whether to create HTML doc or not
 	// Html_doc *bool
 }
@@ -1966,6 +1973,10 @@
 	return module.uniqueApexVariations()
 }
 
+func (module *SdkLibrary) ContributeToApi() bool {
+	return proptools.BoolDefault(module.sdkLibraryProperties.Contribute_to_android_api, false)
+}
+
 // Creates the xml file that publicizes the runtime library
 func (module *SdkLibrary) createXmlFile(mctx android.DefaultableHookContext) {
 	moduleMinApiLevel := module.Library.MinSdkVersion(mctx)
@@ -1982,6 +1993,7 @@
 		Min_device_sdk            *string
 		Max_device_sdk            *string
 		Sdk_library_min_api_level *string
+		Uses_libs_dependencies    []string
 	}{
 		Name:                      proptools.StringPtr(module.xmlPermissionsModuleName()),
 		Lib_name:                  proptools.StringPtr(module.BaseModuleName()),
@@ -1991,6 +2003,7 @@
 		Min_device_sdk:            module.commonSdkLibraryProperties.Min_device_sdk,
 		Max_device_sdk:            module.commonSdkLibraryProperties.Max_device_sdk,
 		Sdk_library_min_api_level: &moduleMinApiLevelStr,
+		Uses_libs_dependencies:    module.usesLibraryProperties.Uses_libs,
 	}
 
 	mctx.CreateModule(sdkLibraryXmlFactory, &props)
@@ -2957,6 +2970,11 @@
 	//
 	// This value comes from the ApiLevel of the MinSdkVersion property.
 	Sdk_library_min_api_level *string
+
+	// Uses-libs dependencies that the shared library requires to work correctly.
+	//
+	// This will add dependency="foo:bar" to the <library> section.
+	Uses_libs_dependencies []string
 }
 
 // java_sdk_library_xml builds the permission xml file for a java_sdk_library.
@@ -3065,6 +3083,13 @@
 	return fmt.Sprintf(`        %s=\"%s\"\n`, attrName, *value)
 }
 
+func formattedDependenciesAttribute(dependencies []string) string {
+	if dependencies == nil {
+		return ""
+	}
+	return fmt.Sprintf(`        dependency=\"%s\"\n`, strings.Join(dependencies, ":"))
+}
+
 func (module *sdkLibraryXml) permissionsContents(ctx android.ModuleContext) string {
 	libName := proptools.String(module.properties.Lib_name)
 	libNameAttr := formattedOptionalAttribute("name", &libName)
@@ -3074,6 +3099,7 @@
 	implicitUntilAttr := formattedOptionalSdkLevelAttribute(ctx, "on-bootclasspath-before", module.properties.On_bootclasspath_before)
 	minSdkAttr := formattedOptionalSdkLevelAttribute(ctx, "min-device-sdk", module.properties.Min_device_sdk)
 	maxSdkAttr := formattedOptionalSdkLevelAttribute(ctx, "max-device-sdk", module.properties.Max_device_sdk)
+	dependenciesAttr := formattedDependenciesAttribute(module.properties.Uses_libs_dependencies)
 	// <library> is understood in all android versions whereas <apex-library> is only understood from API T (and ignored before that).
 	// similarly, min_device_sdk is only understood from T. So if a library is using that, we need to use the apex-library to make sure this library is not loaded before T
 	var libraryTag string
@@ -3107,6 +3133,7 @@
 		implicitUntilAttr,
 		minSdkAttr,
 		maxSdkAttr,
+		dependenciesAttr,
 		`    />\n`,
 		`</permissions>\n`}, "")
 }
diff --git a/java/sdk_library_test.go b/java/sdk_library_test.go
index 82f8a4d..a136818 100644
--- a/java/sdk_library_test.go
+++ b/java/sdk_library_test.go
@@ -1665,3 +1665,35 @@
 		}
 	`)
 }
+
+func TestSdkLibraryDependency(t *testing.T) {
+	result := android.GroupFixturePreparers(
+		prepareForJavaTest,
+		PrepareForTestWithJavaSdkLibraryFiles,
+		FixtureWithPrebuiltApis(map[string][]string{
+			"30": {"bar", "foo"},
+		}),
+	).RunTestWithBp(t,
+		`
+		java_sdk_library {
+			name: "foo",
+			srcs: ["a.java", "b.java"],
+			api_packages: ["foo"],
+		}
+
+		java_sdk_library {
+			name: "bar",
+			srcs: ["c.java", "b.java"],
+			libs: [
+				"foo",
+			],
+			uses_libs: [
+				"foo",
+			],
+		}
+`)
+
+	barPermissions := result.ModuleForTests("bar.xml", "android_common").Rule("java_sdk_xml")
+
+	android.AssertStringDoesContain(t, "bar.xml java_sdk_xml command", barPermissions.RuleParams.Command, `dependency=\"foo\"`)
+}
diff --git a/java/systemserver_classpath_fragment.go b/java/systemserver_classpath_fragment.go
index 17d301b..30dd55f 100644
--- a/java/systemserver_classpath_fragment.go
+++ b/java/systemserver_classpath_fragment.go
@@ -87,9 +87,6 @@
 	ClasspathFragmentBase
 
 	properties systemServerClasspathFragmentProperties
-
-	// Collect the module directory for IDE info in java/jdeps.go.
-	modulePaths []string
 }
 
 func (s *SystemServerClasspathModule) ShouldSupportSdkVersion(ctx android.BaseModuleContext, sdkVersion android.ApiLevel) error {
@@ -129,9 +126,6 @@
 	configuredJars = configuredJars.AppendList(&standaloneConfiguredJars)
 	classpathJars = append(classpathJars, standaloneClasspathJars...)
 	s.classpathFragmentBase().generateClasspathProtoBuildActions(ctx, configuredJars, classpathJars)
-
-	// Collect the module directory for IDE info in java/jdeps.go.
-	s.modulePaths = append(s.modulePaths, ctx.ModuleDir())
 }
 
 func (s *SystemServerClasspathModule) configuredJars(ctx android.ModuleContext) android.ConfiguredJarList {
@@ -242,7 +236,6 @@
 func (s *SystemServerClasspathModule) IDEInfo(dpInfo *android.IdeInfo) {
 	dpInfo.Deps = append(dpInfo.Deps, s.properties.Contents...)
 	dpInfo.Deps = append(dpInfo.Deps, s.properties.Standalone_contents...)
-	dpInfo.Paths = append(dpInfo.Paths, s.modulePaths...)
 }
 
 type systemServerClasspathFragmentMemberType struct {
diff --git a/java/test_spec_test.go b/java/test_spec_test.go
new file mode 100644
index 0000000..39aff4c
--- /dev/null
+++ b/java/test_spec_test.go
@@ -0,0 +1,133 @@
+package java
+
+import (
+	"strings"
+	"testing"
+
+	"android/soong/android"
+	soongTesting "android/soong/testing"
+	"android/soong/testing/test_spec_proto"
+	"google.golang.org/protobuf/proto"
+)
+
+func TestTestSpec(t *testing.T) {
+	bp := `test_spec {
+		name: "module-name",
+		teamId: "12345",
+		tests: [
+			"java-test-module-name-one",
+			"java-test-module-name-two"
+		]
+	}
+
+	java_test {
+		name: "java-test-module-name-one",
+	}
+
+	java_test {
+		name: "java-test-module-name-two",
+	}`
+	result := runTest(t, android.FixtureExpectsNoErrors, bp)
+
+	module := result.ModuleForTests(
+		"module-name", "",
+	).Module().(*soongTesting.TestSpecModule)
+
+	// Check that the provider has the right contents
+	data := result.ModuleProvider(
+		module, soongTesting.TestSpecProviderKey,
+	).(soongTesting.TestSpecProviderData)
+	if !strings.HasSuffix(
+		data.IntermediatePath.String(), "/intermediateTestSpecMetadata.pb",
+	) {
+		t.Errorf(
+			"Missing intermediates path in provider: %s",
+			data.IntermediatePath.String(),
+		)
+	}
+
+	buildParamsSlice := module.BuildParamsForTests()
+	var metadata = ""
+	for _, params := range buildParamsSlice {
+		if params.Rule.String() == "android/soong/android.writeFile" {
+			metadata = params.Args["content"]
+		}
+	}
+
+	metadataList := make([]*test_spec_proto.TestSpec_OwnershipMetadata, 0, 2)
+	teamId := "12345"
+	bpFilePath := "Android.bp"
+	targetNames := []string{
+		"java-test-module-name-one", "java-test-module-name-two",
+	}
+
+	for _, test := range targetNames {
+		targetName := test
+		metadata := test_spec_proto.TestSpec_OwnershipMetadata{
+			TrendyTeamId: &teamId,
+			TargetName:   &targetName,
+			Path:         &bpFilePath,
+		}
+		metadataList = append(metadataList, &metadata)
+	}
+	testSpecMetadata := test_spec_proto.TestSpec{OwnershipMetadataList: metadataList}
+	protoData, _ := proto.Marshal(&testSpecMetadata)
+	rawData := string(protoData)
+	formattedData := strings.ReplaceAll(rawData, "\n", "\\n")
+	expectedMetadata := "'" + formattedData + "\\n'"
+
+	if metadata != expectedMetadata {
+		t.Errorf(
+			"Retrieved metadata: %s is not equal to expectedMetadata: %s", metadata,
+			expectedMetadata,
+		)
+	}
+
+	// Tests for all_test_spec singleton.
+	singleton := result.SingletonForTests("all_test_specs")
+	rule := singleton.Rule("all_test_specs_rule")
+	prebuiltOs := result.Config.PrebuiltOS()
+	expectedCmd := "out/soong/host/" + prebuiltOs + "/bin/metadata -rule test_spec -inputFile out/soong/all_test_spec_paths.rsp -outputFile out/soong/ownership/all_test_specs.pb"
+	expectedOutputFile := "out/soong/ownership/all_test_specs.pb"
+	expectedInputFile := "out/soong/.intermediates/module-name/intermediateTestSpecMetadata.pb"
+	if !strings.Contains(
+		strings.TrimSpace(rule.Output.String()),
+		expectedOutputFile,
+	) {
+		t.Errorf(
+			"Retrieved singletonOutputFile: %s is not equal to expectedSingletonOutputFile: %s",
+			rule.Output.String(), expectedOutputFile,
+		)
+	}
+
+	if !strings.Contains(
+		strings.TrimSpace(rule.Inputs[0].String()),
+		expectedInputFile,
+	) {
+		t.Errorf(
+			"Retrieved singletonInputFile: %s is not equal to expectedSingletonInputFile: %s",
+			rule.Inputs[0].String(), expectedInputFile,
+		)
+	}
+
+	if !strings.Contains(
+		strings.TrimSpace(rule.RuleParams.Command),
+		expectedCmd,
+	) {
+		t.Errorf(
+			"Retrieved cmd: %s is not equal to expectedCmd: %s",
+			rule.RuleParams.Command, expectedCmd,
+		)
+	}
+}
+
+func runTest(
+	t *testing.T, errorHandler android.FixtureErrorHandler, bp string,
+) *android.TestResult {
+	return android.GroupFixturePreparers(
+		soongTesting.PrepareForTestWithTestSpecBuildComponents,
+		PrepareForIntegrationTestWithJava,
+	).
+		ExtendWithErrorHandler(errorHandler).
+		RunTestWithBp(t, bp)
+}
diff --git a/java/tradefed.go b/java/tradefed.go
index ebbdec1..349b327 100644
--- a/java/tradefed.go
+++ b/java/tradefed.go
@@ -30,8 +30,8 @@
 	return module
 }
 
-func tradefedJavaLibraryInstall(ctx android.ModuleContext, path android.Path) android.Paths {
+func tradefedJavaLibraryInstall(ctx android.ModuleContext, path android.Path) android.InstallPaths {
 	installedPath := ctx.InstallFile(android.PathForModuleInstall(ctx, "tradefed"),
 		ctx.ModuleName()+".jar", path)
-	return android.Paths{installedPath}
+	return android.InstallPaths{installedPath}
 }
diff --git a/kernel/prebuilt_kernel_modules.go b/kernel/prebuilt_kernel_modules.go
index 5bcca04..e200ee2 100644
--- a/kernel/prebuilt_kernel_modules.go
+++ b/kernel/prebuilt_kernel_modules.go
@@ -50,6 +50,9 @@
 	// Kernel version that these modules are for. Kernel modules are installed to
 	// /lib/modules/<kernel_version> directory in the corresponding partition. Default is "".
 	Kernel_version *string
+
+	// Whether this module is directly installable to one of the partitions. Default is true
+	Installable *bool
 }
 
 // prebuilt_kernel_modules installs a set of prebuilt kernel module files to the correct directory.
@@ -62,6 +65,10 @@
 	return module
 }
 
+func (pkm *prebuiltKernelModules) installable() bool {
+	return proptools.BoolDefault(pkm.properties.Installable, true)
+}
+
 func (pkm *prebuiltKernelModules) KernelVersion() string {
 	return proptools.StringDefault(pkm.properties.Kernel_version, "")
 }
@@ -71,6 +78,9 @@
 }
 
 func (pkm *prebuiltKernelModules) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	if !pkm.installable() {
+		pkm.SkipInstall()
+	}
 	modules := android.PathsForModuleSrc(ctx, pkm.properties.Srcs)
 
 	depmodOut := runDepmod(ctx, modules)
diff --git a/phony/phony.go b/phony/phony.go
index 760b79b..a8b651a 100644
--- a/phony/phony.go
+++ b/phony/phony.go
@@ -52,7 +52,6 @@
 			fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)", " # phony.phony")
 			fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
 			fmt.Fprintln(w, "LOCAL_MODULE :=", name)
-			data.Entries.WriteLicenseVariables(w)
 			if p.Host() {
 				fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")
 			}
diff --git a/python/Android.bp b/python/Android.bp
index 7578673..87810c9 100644
--- a/python/Android.bp
+++ b/python/Android.bp
@@ -10,6 +10,7 @@
         "soong-android",
         "soong-tradefed",
         "soong-cc",
+        "soong-testing",
     ],
     srcs: [
         "binary.go",
diff --git a/python/test.go b/python/test.go
index 6e23a44..cd7c73b 100644
--- a/python/test.go
+++ b/python/test.go
@@ -17,6 +17,7 @@
 import (
 	"fmt"
 
+	"android/soong/testing"
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
@@ -205,6 +206,7 @@
 			p.data = append(p.data, android.DataPath{SrcPath: javaDataSrcPath})
 		}
 	}
+	ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{})
 }
 
 func (p *PythonTestModule) AndroidMkEntries() []android.AndroidMkEntries {
diff --git a/remoteexec/remoteexec.go b/remoteexec/remoteexec.go
index 690b47b..8294c3f 100644
--- a/remoteexec/remoteexec.go
+++ b/remoteexec/remoteexec.go
@@ -30,7 +30,7 @@
 	// DefaultImage is the default container image used for Android remote execution. The
 	// image was built with the Dockerfile at
 	// https://android.googlesource.com/platform/prebuilts/remoteexecution-client/+/refs/heads/master/docker/Dockerfile
-	DefaultImage = "docker://gcr.io/androidbuild-re-dockerimage/android-build-remoteexec-image@sha256:953fed4a6b2501256a0d17f055dc17884ff71b024e50ade773e0b348a6c303e6"
+	DefaultImage = "docker://gcr.io/androidbuild-re-dockerimage/android-build-remoteexec-image@sha256:1eb7f64b9e17102b970bd7a1af7daaebdb01c3fb777715899ef462d6c6d01a45"
 
 	// DefaultWrapperPath is the default path to the remote execution wrapper.
 	DefaultWrapperPath = "prebuilts/remoteexecution-client/live/rewrapper"
@@ -91,6 +91,8 @@
 	NumLocalRuns int
 	// Number of times the action should be rerun remotely.
 	NumRemoteRuns int
+	// Boolean indicating whether to update remote cache entry. Rewrapper defaults to true, so the name is negated here.
+	NoRemoteUpdateCache bool
 }
 
 func init() {
@@ -146,6 +148,10 @@
 		args += fmt.Sprintf(" --compare=true --num_local_reruns=%d --num_remote_reruns=%d", r.NumLocalRuns, r.NumRemoteRuns)
 	}
 
+	if r.NoRemoteUpdateCache {
+		args += " --remote_update_cache=false"
+	}
+
 	if len(r.Inputs) > 0 {
 		args += " --inputs=" + strings.Join(r.Inputs, ",")
 	}
diff --git a/rust/Android.bp b/rust/Android.bp
index b01a94a..c5b2000 100644
--- a/rust/Android.bp
+++ b/rust/Android.bp
@@ -12,6 +12,7 @@
         "soong-cc",
         "soong-rust-config",
         "soong-snapshot",
+        "soong-testing",
     ],
     srcs: [
         "afdo.go",
diff --git a/rust/binary.go b/rust/binary.go
index 860dc94..5e7e922 100644
--- a/rust/binary.go
+++ b/rust/binary.go
@@ -137,12 +137,7 @@
 	fileName := binary.getStem(ctx) + ctx.toolchain().ExecutableSuffix()
 	outputFile := android.PathForModuleOut(ctx, fileName)
 	ret := buildOutput{outputFile: outputFile}
-	var crateRootPath android.Path
-	if binary.baseCompiler.Properties.Crate_root == nil {
-		crateRootPath, _ = srcPathFromModuleSrcs(ctx, binary.baseCompiler.Properties.Srcs)
-	} else {
-		crateRootPath = android.PathForModuleSrc(ctx, *binary.baseCompiler.Properties.Crate_root)
-	}
+	crateRootPath := crateRootPath(ctx, binary)
 
 	flags.RustFlags = append(flags.RustFlags, deps.depFlags...)
 	flags.LinkFlags = append(flags.LinkFlags, deps.depLinkFlags...)
diff --git a/rust/builder.go b/rust/builder.go
index 162d1aa..c855cfb 100644
--- a/rust/builder.go
+++ b/rust/builder.go
@@ -196,7 +196,7 @@
 	}
 
 	if len(deps.SrcDeps) > 0 {
-		moduleGenDir := ctx.RustModule().compiler.CargoOutDir()
+		moduleGenDir := ctx.RustModule().compiler.cargoOutDir()
 		// We must calculate an absolute path for OUT_DIR since Rust's include! macro (which normally consumes this)
 		// assumes that paths are relative to the source file.
 		var outDirPrefix string
@@ -215,13 +215,13 @@
 
 	envVars = append(envVars, "ANDROID_RUST_VERSION="+config.GetRustVersion(ctx))
 
-	if ctx.RustModule().compiler.CargoEnvCompat() {
+	if ctx.RustModule().compiler.cargoEnvCompat() {
 		if bin, ok := ctx.RustModule().compiler.(*binaryDecorator); ok {
 			envVars = append(envVars, "CARGO_BIN_NAME="+bin.getStem(ctx))
 		}
 		envVars = append(envVars, "CARGO_CRATE_NAME="+ctx.RustModule().CrateName())
 		envVars = append(envVars, "CARGO_PKG_NAME="+ctx.RustModule().CrateName())
-		pkgVersion := ctx.RustModule().compiler.CargoPkgVersion()
+		pkgVersion := ctx.RustModule().compiler.cargoPkgVersion()
 		if pkgVersion != "" {
 			envVars = append(envVars, "CARGO_PKG_VERSION="+pkgVersion)
 
@@ -327,7 +327,7 @@
 	orderOnly = append(orderOnly, deps.SharedLibs...)
 
 	if len(deps.SrcDeps) > 0 {
-		moduleGenDir := ctx.RustModule().compiler.CargoOutDir()
+		moduleGenDir := ctx.RustModule().compiler.cargoOutDir()
 		var outputs android.WritablePaths
 
 		for _, genSrc := range deps.SrcDeps {
diff --git a/rust/compiler.go b/rust/compiler.go
index b3f574d..d453a5d 100644
--- a/rust/compiler.go
+++ b/rust/compiler.go
@@ -16,6 +16,7 @@
 
 import (
 	"android/soong/cc"
+	"errors"
 	"fmt"
 	"path/filepath"
 	"strings"
@@ -34,6 +35,48 @@
 	DylibLinkage
 )
 
+type compiler interface {
+	initialize(ctx ModuleContext)
+	compilerFlags(ctx ModuleContext, flags Flags) Flags
+	cfgFlags(ctx ModuleContext, flags Flags) Flags
+	featureFlags(ctx ModuleContext, flags Flags) Flags
+	compilerProps() []interface{}
+	compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput
+	compilerDeps(ctx DepsContext, deps Deps) Deps
+	crateName() string
+	edition() string
+	features() []string
+	rustdoc(ctx ModuleContext, flags Flags, deps PathDeps) android.OptionalPath
+
+	// Output directory in which source-generated code from dependencies is
+	// copied. This is equivalent to Cargo's OUT_DIR variable.
+	cargoOutDir() android.OptionalPath
+
+	// cargoPkgVersion returns the value of the Cargo_pkg_version property.
+	cargoPkgVersion() string
+
+	// cargoEnvCompat returns whether Cargo environment variables should be used.
+	cargoEnvCompat() bool
+
+	inData() bool
+	install(ctx ModuleContext)
+	relativeInstallPath() string
+	everInstallable() bool
+
+	nativeCoverage() bool
+
+	Disabled() bool
+	SetDisabled()
+
+	stdLinkage(ctx *depsContext) RustLinkage
+	noStdlibs() bool
+
+	unstrippedOutputFilePath() android.Path
+	strippedOutputFilePath() android.OptionalPath
+
+	checkedCrateRootPath() (android.Path, error)
+}
+
 func (compiler *baseCompiler) edition() string {
 	return proptools.StringDefault(compiler.Properties.Edition, config.DefaultEdition)
 }
@@ -160,7 +203,7 @@
 	Relative_install_path *string `android:"arch_variant"`
 
 	// whether to suppress inclusion of standard crates - defaults to false
-	No_stdlibs *bool
+	No_stdlibs *bool `android:"arch_variant"`
 
 	// Change the rustlibs linkage to select rlib linkage by default for device targets.
 	// Also link libstd as an rlib as well on device targets.
@@ -204,7 +247,16 @@
 
 	// If a crate has a source-generated dependency, a copy of the source file
 	// will be available in cargoOutDir (equivalent to Cargo OUT_DIR).
-	cargoOutDir android.ModuleOutPath
+	// This is stored internally because it may not be available during
+	// singleton-generation passes like rustdoc/rust_project.json, but should
+	// be stashed during initial generation.
+	cachedCargoOutDir android.ModuleOutPath
+	// Calculated crate root cached internally because ModuleContext is not
+	// available to singleton targets like rustdoc/rust_project.json
+	cachedCrateRootPath android.Path
+	// If cachedCrateRootPath is nil after initialization, this will contain
+	// an explanation of why
+	cachedCrateRootError error
 }
 
 func (compiler *baseCompiler) Disabled() bool {
@@ -257,9 +309,13 @@
 	return flags
 }
 
+func (compiler *baseCompiler) features() []string {
+	return compiler.Properties.Features
+}
+
 func (compiler *baseCompiler) featuresToFlags() []string {
 	flags := []string{}
-	for _, feature := range compiler.Properties.Features {
+	for _, feature := range compiler.features() {
 		flags = append(flags, "--cfg 'feature=\""+feature+"\"'")
 	}
 
@@ -355,18 +411,24 @@
 }
 
 func (compiler *baseCompiler) initialize(ctx ModuleContext) {
-	compiler.cargoOutDir = android.PathForModuleOut(ctx, genSubDir)
+	compiler.cachedCargoOutDir = android.PathForModuleOut(ctx, genSubDir)
+	if compiler.Properties.Crate_root == nil {
+		compiler.cachedCrateRootPath, compiler.cachedCrateRootError = srcPathFromModuleSrcs(ctx, compiler.Properties.Srcs)
+	} else {
+		compiler.cachedCrateRootPath = android.PathForModuleSrc(ctx, *compiler.Properties.Crate_root)
+		compiler.cachedCrateRootError = nil
+	}
 }
 
-func (compiler *baseCompiler) CargoOutDir() android.OptionalPath {
-	return android.OptionalPathForPath(compiler.cargoOutDir)
+func (compiler *baseCompiler) cargoOutDir() android.OptionalPath {
+	return android.OptionalPathForPath(compiler.cachedCargoOutDir)
 }
 
-func (compiler *baseCompiler) CargoEnvCompat() bool {
+func (compiler *baseCompiler) cargoEnvCompat() bool {
 	return Bool(compiler.Properties.Cargo_env_compat)
 }
 
-func (compiler *baseCompiler) CargoPkgVersion() string {
+func (compiler *baseCompiler) cargoPkgVersion() string {
 	return String(compiler.Properties.Cargo_pkg_version)
 }
 
@@ -496,12 +558,20 @@
 	return String(compiler.Properties.Relative_install_path)
 }
 
-// Returns the Path for the main source file along with Paths for generated source files from modules listed in srcs.
-func srcPathFromModuleSrcs(ctx ModuleContext, srcs []string) (android.Path, android.Paths) {
-	if len(srcs) == 0 {
-		ctx.PropertyErrorf("srcs", "srcs must not be empty")
-	}
+func (compiler *baseCompiler) checkedCrateRootPath() (android.Path, error) {
+	return compiler.cachedCrateRootPath, compiler.cachedCrateRootError
+}
 
+func crateRootPath(ctx ModuleContext, compiler compiler) android.Path {
+	root, err := compiler.checkedCrateRootPath()
+	if err != nil {
+		ctx.PropertyErrorf("srcs", err.Error())
+	}
+	return root
+}
+
+// Returns the Path for the main source file along with Paths for generated source files from modules listed in srcs.
+func srcPathFromModuleSrcs(ctx ModuleContext, srcs []string) (android.Path, error) {
 	// The srcs can contain strings with prefix ":".
 	// They are dependent modules of this module, with android.SourceDepTag.
 	// They are not the main source file compiled by rustc.
@@ -514,19 +584,22 @@
 		}
 	}
 	if numSrcs > 1 {
-		ctx.PropertyErrorf("srcs", incorrectSourcesError)
+		return nil, errors.New(incorrectSourcesError)
 	}
 
 	// If a main source file is not provided we expect only a single SourceProvider module to be defined
 	// within srcs, with the expectation that the first source it provides is the entry point.
 	if srcIndex != 0 {
-		ctx.PropertyErrorf("srcs", "main source file must be the first in srcs")
+		return nil, errors.New("main source file must be the first in srcs")
 	} else if numSrcs > 1 {
-		ctx.PropertyErrorf("srcs", "only a single generated source module can be defined without a main source file.")
+		return nil, errors.New("only a single generated source module can be defined without a main source file.")
 	}
 
 	// TODO: b/297264540 - once all modules are sandboxed, we need to select the proper
 	// entry point file from Srcs rather than taking the first one
 	paths := android.PathsForModuleSrc(ctx, srcs)
-	return paths[srcIndex], paths[1:]
+	if len(paths) == 0 {
+		return nil, errors.New("srcs must not be empty")
+	}
+	return paths[srcIndex], nil
 }
diff --git a/rust/compiler_test.go b/rust/compiler_test.go
index ec6829a..89f4d1a 100644
--- a/rust/compiler_test.go
+++ b/rust/compiler_test.go
@@ -67,6 +67,7 @@
 func TestEnforceSingleSourceFile(t *testing.T) {
 
 	singleSrcError := "srcs can only contain one path for a rust file and source providers prefixed by \":\""
+	prebuiltSingleSrcError := "prebuilt libraries can only have one entry in srcs"
 
 	// Test libraries
 	testRustError(t, singleSrcError, `
@@ -90,7 +91,7 @@
 		}`)
 
 	// Test prebuilts
-	testRustError(t, singleSrcError, `
+	testRustError(t, prebuiltSingleSrcError, `
 		rust_prebuilt_dylib {
 			name: "foo-bar-prebuilt",
 			srcs: ["liby.so", "libz.so"],
diff --git a/rust/config/global.go b/rust/config/global.go
index 64c9460..3e189b5 100644
--- a/rust/config/global.go
+++ b/rust/config/global.go
@@ -25,7 +25,7 @@
 	pctx         = android.NewPackageContext("android/soong/rust/config")
 	ExportedVars = android.NewExportedVariables(pctx)
 
-	RustDefaultVersion = "1.72.1"
+	RustDefaultVersion = "1.73.0"
 	RustDefaultBase    = "prebuilts/rust/"
 	DefaultEdition     = "2021"
 	Stdlibs            = []string{
@@ -72,6 +72,8 @@
 		"-C panic=abort",
 		// Generate additional debug info for AutoFDO
 		"-Z debug-info-for-profiling",
+		// Android has ELF TLS on platform
+		"-Z tls-model=global-dynamic",
 	}
 
 	deviceGlobalLinkFlags = []string{
diff --git a/rust/library.go b/rust/library.go
index 18bf0a0..c0ff741 100644
--- a/rust/library.go
+++ b/rust/library.go
@@ -15,6 +15,7 @@
 package rust
 
 import (
+	"errors"
 	"fmt"
 	"regexp"
 	"strings"
@@ -489,7 +490,7 @@
 	var outputFile android.ModuleOutPath
 	var ret buildOutput
 	var fileName string
-	crateRootPath := library.crateRootPath(ctx, deps)
+	crateRootPath := crateRootPath(ctx, library)
 
 	if library.sourceProvider != nil {
 		deps.srcProviderFiles = append(deps.srcProviderFiles, library.sourceProvider.Srcs()...)
@@ -584,15 +585,16 @@
 	return ret
 }
 
-func (library *libraryDecorator) crateRootPath(ctx ModuleContext, _ PathDeps) android.Path {
+func (library *libraryDecorator) checkedCrateRootPath() (android.Path, error) {
 	if library.sourceProvider != nil {
+		srcs := library.sourceProvider.Srcs()
+		if len(srcs) == 0 {
+			return nil, errors.New("Source provider generated 0 sources")
+		}
 		// Assume the first source from the source provider is the library entry point.
-		return library.sourceProvider.Srcs()[0]
-	} else if library.baseCompiler.Properties.Crate_root == nil {
-		path, _ := srcPathFromModuleSrcs(ctx, library.baseCompiler.Properties.Srcs)
-		return path
+		return srcs[0], nil
 	} else {
-		return android.PathForModuleSrc(ctx, *library.baseCompiler.Properties.Crate_root)
+		return library.baseCompiler.checkedCrateRootPath()
 	}
 }
 
@@ -607,7 +609,7 @@
 		return android.OptionalPath{}
 	}
 
-	return android.OptionalPathForPath(Rustdoc(ctx, library.crateRootPath(ctx, deps),
+	return android.OptionalPathForPath(Rustdoc(ctx, crateRootPath(ctx, library),
 		deps, flags))
 }
 
diff --git a/rust/prebuilt.go b/rust/prebuilt.go
index fe9d0b5..e35e510 100644
--- a/rust/prebuilt.go
+++ b/rust/prebuilt.go
@@ -76,6 +76,17 @@
 var _ exportedFlagsProducer = (*prebuiltProcMacroDecorator)(nil)
 var _ rustPrebuilt = (*prebuiltProcMacroDecorator)(nil)
 
+func prebuiltPath(ctx ModuleContext, prebuilt rustPrebuilt) android.Path {
+	srcs := android.PathsForModuleSrc(ctx, prebuilt.prebuiltSrcs())
+	if len(srcs) == 0 {
+		ctx.PropertyErrorf("srcs", "srcs must not be empty")
+	}
+	if len(srcs) > 1 {
+		ctx.PropertyErrorf("srcs", "prebuilt libraries can only have one entry in srcs (the prebuilt path)")
+	}
+	return srcs[0]
+}
+
 func PrebuiltLibraryFactory() android.Module {
 	module, _ := NewPrebuiltLibrary(android.HostAndDeviceSupported)
 	return module.Init()
@@ -148,11 +159,7 @@
 func (prebuilt *prebuiltLibraryDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput {
 	prebuilt.flagExporter.exportLinkDirs(android.PathsForModuleSrc(ctx, prebuilt.Properties.Link_dirs).Strings()...)
 	prebuilt.flagExporter.setProvider(ctx)
-
-	srcPath, paths := srcPathFromModuleSrcs(ctx, prebuilt.prebuiltSrcs())
-	if len(paths) > 0 {
-		ctx.PropertyErrorf("srcs", "prebuilt libraries can only have one entry in srcs (the prebuilt path)")
-	}
+	srcPath := prebuiltPath(ctx, prebuilt)
 	prebuilt.baseCompiler.unstrippedOutputFile = srcPath
 	return buildOutput{outputFile: srcPath}
 }
@@ -205,11 +212,7 @@
 func (prebuilt *prebuiltProcMacroDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput {
 	prebuilt.flagExporter.exportLinkDirs(android.PathsForModuleSrc(ctx, prebuilt.Properties.Link_dirs).Strings()...)
 	prebuilt.flagExporter.setProvider(ctx)
-
-	srcPath, paths := srcPathFromModuleSrcs(ctx, prebuilt.prebuiltSrcs())
-	if len(paths) > 0 {
-		ctx.PropertyErrorf("srcs", "prebuilt libraries can only have one entry in srcs (the prebuilt path)")
-	}
+	srcPath := prebuiltPath(ctx, prebuilt)
 	prebuilt.baseCompiler.unstrippedOutputFile = srcPath
 	return buildOutput{outputFile: srcPath}
 }
diff --git a/rust/proc_macro.go b/rust/proc_macro.go
index b93b24f..c18d5ec 100644
--- a/rust/proc_macro.go
+++ b/rust/proc_macro.go
@@ -78,8 +78,7 @@
 func (procMacro *procMacroDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput {
 	fileName := procMacro.getStem(ctx) + ctx.toolchain().ProcMacroSuffix()
 	outputFile := android.PathForModuleOut(ctx, fileName)
-
-	srcPath, _ := srcPathFromModuleSrcs(ctx, procMacro.baseCompiler.Properties.Srcs)
+	srcPath := crateRootPath(ctx, procMacro)
 	ret := TransformSrctoProcMacro(ctx, srcPath, deps, flags, outputFile)
 	procMacro.baseCompiler.unstrippedOutputFile = outputFile
 	return ret
diff --git a/rust/project_json.go b/rust/project_json.go
index 40aa7c7..ad9b690 100644
--- a/rust/project_json.go
+++ b/rust/project_json.go
@@ -17,7 +17,6 @@
 import (
 	"encoding/json"
 	"fmt"
-	"path"
 
 	"android/soong/android"
 )
@@ -60,8 +59,9 @@
 
 // crateInfo is used during the processing to keep track of the known crates.
 type crateInfo struct {
-	Idx  int            // Index of the crate in rustProjectJson.Crates slice.
-	Deps map[string]int // The keys are the module names and not the crate names.
+	Idx    int            // Index of the crate in rustProjectJson.Crates slice.
+	Deps   map[string]int // The keys are the module names and not the crate names.
+	Device bool           // True if the crate at idx was a device crate
 }
 
 type projectGeneratorSingleton struct {
@@ -77,85 +77,6 @@
 	android.RegisterParallelSingletonType("rust_project_generator", rustProjectGeneratorSingleton)
 }
 
-// sourceProviderVariantSource returns the path to the source file if this
-// module variant should be used as a priority.
-//
-// SourceProvider modules may have multiple variants considered as source
-// (e.g., x86_64 and armv8). For a module available on device, use the source
-// generated for the target. For a host-only module, use the source generated
-// for the host.
-func sourceProviderVariantSource(ctx android.SingletonContext, rModule *Module) (string, bool) {
-	rustLib, ok := rModule.compiler.(*libraryDecorator)
-	if !ok {
-		return "", false
-	}
-	if rustLib.source() {
-		switch rModule.hod {
-		case android.HostSupported, android.HostSupportedNoCross:
-			if rModule.Target().String() == ctx.Config().BuildOSTarget.String() {
-				src := rustLib.sourceProvider.Srcs()[0]
-				return src.String(), true
-			}
-		default:
-			if rModule.Target().String() == ctx.Config().AndroidFirstDeviceTarget.String() {
-				src := rustLib.sourceProvider.Srcs()[0]
-				return src.String(), true
-			}
-		}
-	}
-	return "", false
-}
-
-// sourceProviderSource finds the main source file of a source-provider crate.
-func sourceProviderSource(ctx android.SingletonContext, rModule *Module) (string, bool) {
-	rustLib, ok := rModule.compiler.(*libraryDecorator)
-	if !ok {
-		return "", false
-	}
-	if rustLib.source() {
-		// This is a source-variant, check if we are the right variant
-		// depending on the module configuration.
-		if src, ok := sourceProviderVariantSource(ctx, rModule); ok {
-			return src, true
-		}
-	}
-	foundSource := false
-	sourceSrc := ""
-	// Find the variant with the source and return its.
-	ctx.VisitAllModuleVariants(rModule, func(variant android.Module) {
-		if foundSource {
-			return
-		}
-		// All variants of a source provider library are libraries.
-		rVariant, _ := variant.(*Module)
-		variantLib, _ := rVariant.compiler.(*libraryDecorator)
-		if variantLib.source() {
-			sourceSrc, ok = sourceProviderVariantSource(ctx, rVariant)
-			if ok {
-				foundSource = true
-			}
-		}
-	})
-	if !foundSource {
-		ctx.Errorf("No valid source for source provider found: %v\n", rModule)
-	}
-	return sourceSrc, foundSource
-}
-
-// crateSource finds the main source file (.rs) for a crate.
-func crateSource(ctx android.SingletonContext, rModule *Module, comp *baseCompiler) (string, bool) {
-	// Basic libraries, executables and tests.
-	srcs := comp.Properties.Srcs
-	if len(srcs) != 0 {
-		return path.Join(ctx.ModuleDir(rModule), srcs[0]), true
-	}
-	// SourceProvider libraries.
-	if rModule.sourceProvider != nil {
-		return sourceProviderSource(ctx, rModule)
-	}
-	return "", false
-}
-
 // mergeDependencies visits all the dependencies for module and updates crate and deps
 // with any new dependency.
 func (singleton *projectGeneratorSingleton) mergeDependencies(ctx android.SingletonContext,
@@ -167,7 +88,7 @@
 			return
 		}
 		// Skip unsupported modules.
-		rChild, compChild, ok := isModuleSupported(ctx, child)
+		rChild, ok := isModuleSupported(ctx, child)
 		if !ok {
 			return
 		}
@@ -175,7 +96,7 @@
 		var childId int
 		cInfo, known := singleton.knownCrates[rChild.Name()]
 		if !known {
-			childId, ok = singleton.addCrate(ctx, rChild, compChild)
+			childId, ok = singleton.addCrate(ctx, rChild, make(map[string]int))
 			if !ok {
 				return
 			}
@@ -191,41 +112,25 @@
 	})
 }
 
-// isModuleSupported returns the RustModule and baseCompiler if the module
+// isModuleSupported returns the RustModule if the module
 // should be considered for inclusion in rust-project.json.
-func isModuleSupported(ctx android.SingletonContext, module android.Module) (*Module, *baseCompiler, bool) {
+func isModuleSupported(ctx android.SingletonContext, module android.Module) (*Module, bool) {
 	rModule, ok := module.(*Module)
 	if !ok {
-		return nil, nil, false
+		return nil, false
 	}
-	if rModule.compiler == nil {
-		return nil, nil, false
+	if !rModule.Enabled() {
+		return nil, false
 	}
-	var comp *baseCompiler
-	switch c := rModule.compiler.(type) {
-	case *libraryDecorator:
-		comp = c.baseCompiler
-	case *binaryDecorator:
-		comp = c.baseCompiler
-	case *testDecorator:
-		comp = c.binaryDecorator.baseCompiler
-	case *procMacroDecorator:
-		comp = c.baseCompiler
-	case *toolchainLibraryDecorator:
-		comp = c.baseCompiler
-	default:
-		return nil, nil, false
-	}
-	return rModule, comp, true
+	return rModule, true
 }
 
 // addCrate adds a crate to singleton.project.Crates ensuring that required
 // dependencies are also added. It returns the index of the new crate in
 // singleton.project.Crates
-func (singleton *projectGeneratorSingleton) addCrate(ctx android.SingletonContext, rModule *Module, comp *baseCompiler) (int, bool) {
-	rootModule, ok := crateSource(ctx, rModule, comp)
-	if !ok {
-		ctx.Errorf("Unable to find source for valid module: %v", rModule)
+func (singleton *projectGeneratorSingleton) addCrate(ctx android.SingletonContext, rModule *Module, deps map[string]int) (int, bool) {
+	rootModule, err := rModule.compiler.checkedCrateRootPath()
+	if err != nil {
 		return 0, false
 	}
 
@@ -233,28 +138,33 @@
 
 	crate := rustProjectCrate{
 		DisplayName: rModule.Name(),
-		RootModule:  rootModule,
-		Edition:     comp.edition(),
+		RootModule:  rootModule.String(),
+		Edition:     rModule.compiler.edition(),
 		Deps:        make([]rustProjectDep, 0),
 		Cfg:         make([]string, 0),
 		Env:         make(map[string]string),
 		ProcMacro:   procMacro,
 	}
 
-	if comp.CargoOutDir().Valid() {
-		crate.Env["OUT_DIR"] = comp.CargoOutDir().String()
+	if rModule.compiler.cargoOutDir().Valid() {
+		crate.Env["OUT_DIR"] = rModule.compiler.cargoOutDir().String()
 	}
 
-	for _, feature := range comp.Properties.Features {
+	for _, feature := range rModule.compiler.features() {
 		crate.Cfg = append(crate.Cfg, "feature=\""+feature+"\"")
 	}
 
-	deps := make(map[string]int)
 	singleton.mergeDependencies(ctx, rModule, &crate, deps)
 
-	idx := len(singleton.project.Crates)
-	singleton.knownCrates[rModule.Name()] = crateInfo{Idx: idx, Deps: deps}
-	singleton.project.Crates = append(singleton.project.Crates, crate)
+	var idx int
+	if cInfo, ok := singleton.knownCrates[rModule.Name()]; ok {
+		idx = cInfo.Idx
+		singleton.project.Crates[idx] = crate
+	} else {
+		idx = len(singleton.project.Crates)
+		singleton.project.Crates = append(singleton.project.Crates, crate)
+	}
+	singleton.knownCrates[rModule.Name()] = crateInfo{Idx: idx, Deps: deps, Device: rModule.Device()}
 	return idx, true
 }
 
@@ -262,18 +172,23 @@
 // It visits the dependencies of the module depth-first so the dependency ID can be added to the current module. If the
 // current module is already in singleton.knownCrates, its dependencies are merged.
 func (singleton *projectGeneratorSingleton) appendCrateAndDependencies(ctx android.SingletonContext, module android.Module) {
-	rModule, comp, ok := isModuleSupported(ctx, module)
+	rModule, ok := isModuleSupported(ctx, module)
 	if !ok {
 		return
 	}
 	// If we have seen this crate already; merge any new dependencies.
 	if cInfo, ok := singleton.knownCrates[module.Name()]; ok {
+		// If we have a new device variant, override the old one
+		if !cInfo.Device && rModule.Device() {
+			singleton.addCrate(ctx, rModule, cInfo.Deps)
+			return
+		}
 		crate := singleton.project.Crates[cInfo.Idx]
 		singleton.mergeDependencies(ctx, rModule, &crate, cInfo.Deps)
 		singleton.project.Crates[cInfo.Idx] = crate
 		return
 	}
-	singleton.addCrate(ctx, rModule, comp)
+	singleton.addCrate(ctx, rModule, make(map[string]int))
 }
 
 func (singleton *projectGeneratorSingleton) GenerateBuildActions(ctx android.SingletonContext) {
diff --git a/rust/rust.go b/rust/rust.go
index 19c5230..d4d33c7 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -20,6 +20,7 @@
 
 	"android/soong/bazel"
 	"android/soong/bloaty"
+	"android/soong/testing"
 	"android/soong/ui/metrics/bp2build_metrics_proto"
 
 	"github.com/google/blueprint"
@@ -144,8 +145,9 @@
 
 	Properties BaseProperties
 
-	hod      android.HostOrDeviceSupported
-	multilib android.Multilib
+	hod        android.HostOrDeviceSupported
+	multilib   android.Multilib
+	testModule bool
 
 	makeLinkType string
 
@@ -485,44 +487,6 @@
 	CrateName string
 }
 
-type compiler interface {
-	initialize(ctx ModuleContext)
-	compilerFlags(ctx ModuleContext, flags Flags) Flags
-	cfgFlags(ctx ModuleContext, flags Flags) Flags
-	featureFlags(ctx ModuleContext, flags Flags) Flags
-	compilerProps() []interface{}
-	compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput
-	compilerDeps(ctx DepsContext, deps Deps) Deps
-	crateName() string
-	rustdoc(ctx ModuleContext, flags Flags, deps PathDeps) android.OptionalPath
-
-	// Output directory in which source-generated code from dependencies is
-	// copied. This is equivalent to Cargo's OUT_DIR variable.
-	CargoOutDir() android.OptionalPath
-
-	// CargoPkgVersion returns the value of the Cargo_pkg_version property.
-	CargoPkgVersion() string
-
-	// CargoEnvCompat returns whether Cargo environment variables should be used.
-	CargoEnvCompat() bool
-
-	inData() bool
-	install(ctx ModuleContext)
-	relativeInstallPath() string
-	everInstallable() bool
-
-	nativeCoverage() bool
-
-	Disabled() bool
-	SetDisabled()
-
-	stdLinkage(ctx *depsContext) RustLinkage
-	noStdlibs() bool
-
-	unstrippedOutputFilePath() android.Path
-	strippedOutputFilePath() android.OptionalPath
-}
-
 type exportedFlagsProducer interface {
 	exportLinkDirs(...string)
 	exportLinkObjects(...string)
@@ -1038,6 +1002,9 @@
 
 		ctx.Phony("rust", ctx.RustModule().OutputFile().Path())
 	}
+	if mod.testModule {
+		ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{})
+	}
 }
 
 func (mod *Module) deps(ctx DepsContext) Deps {
diff --git a/rust/test.go b/rust/test.go
index 4b5296e..7ffc367 100644
--- a/rust/test.go
+++ b/rust/test.go
@@ -222,11 +222,13 @@
 	// rustTestHostMultilib load hook to set MultilibFirst for the
 	// host target.
 	android.AddLoadHook(module, rustTestHostMultilib)
+	module.testModule = true
 	return module.Init()
 }
 
 func RustTestHostFactory() android.Module {
 	module, _ := NewRustTest(android.HostSupported)
+	module.testModule = true
 	return module.Init()
 }
 
diff --git a/rust/test_test.go b/rust/test_test.go
index 8906f1c..6d0ebcf 100644
--- a/rust/test_test.go
+++ b/rust/test_test.go
@@ -38,7 +38,7 @@
 
 	dataPaths := testingModule.Module().(*Module).compiler.(*testDecorator).dataPaths()
 	if len(dataPaths) != 1 {
-		t.Errorf("expected exactly one test data file. test data files: [%s]", dataPaths)
+		t.Errorf("expected exactly one test data file. test data files: [%v]", dataPaths)
 		return
 	}
 }
@@ -116,7 +116,7 @@
 		t.Fatalf("expected exactly one output file. output files: [%s]", outputFiles)
 	}
 	if len(testBinary.dataPaths()) != 2 {
-		t.Fatalf("expected exactly two test data files. test data files: [%s]", testBinary.dataPaths())
+		t.Fatalf("expected exactly two test data files. test data files: [%v]", testBinary.dataPaths())
 	}
 
 	outputPath := outputFiles[0].String()
@@ -178,7 +178,7 @@
 		t.Fatalf("expected exactly one output file. output files: [%s]", outputFiles)
 	}
 	if len(testBinary.dataPaths()) != 3 {
-		t.Fatalf("expected exactly two test data files. test data files: [%s]", testBinary.dataPaths())
+		t.Fatalf("expected exactly two test data files. test data files: [%v]", testBinary.dataPaths())
 	}
 
 	outputPath := outputFiles[0].String()
diff --git a/sh/Android.bp b/sh/Android.bp
index 1deedc7..930fcf5 100644
--- a/sh/Android.bp
+++ b/sh/Android.bp
@@ -11,6 +11,7 @@
         "soong-android",
         "soong-cc",
         "soong-java",
+        "soong-testing",
         "soong-tradefed",
     ],
     srcs: [
diff --git a/sh/sh_binary.go b/sh/sh_binary.go
index 2e869f4..1bebc60 100644
--- a/sh/sh_binary.go
+++ b/sh/sh_binary.go
@@ -20,6 +20,7 @@
 	"sort"
 	"strings"
 
+	"android/soong/testing"
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
@@ -452,6 +453,7 @@
 			ctx.PropertyErrorf(property, "%q of type %q is not supported", dep.Name(), ctx.OtherModuleType(dep))
 		}
 	})
+	ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{})
 }
 
 func (s *ShTest) InstallInData() bool {
diff --git a/sysprop/sysprop_library.go b/sysprop/sysprop_library.go
index fe2cc9c..8bf5f14 100644
--- a/sysprop/sysprop_library.go
+++ b/sysprop/sysprop_library.go
@@ -351,7 +351,6 @@
 			// Actual implementation libraries are created on LoadHookMutator
 			fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)", " # sysprop.syspropLibrary")
 			fmt.Fprintln(w, "LOCAL_MODULE :=", m.Name())
-			data.Entries.WriteLicenseVariables(w)
 			fmt.Fprintf(w, "LOCAL_MODULE_CLASS := FAKE\n")
 			fmt.Fprintf(w, "LOCAL_MODULE_TAGS := optional\n")
 			fmt.Fprintf(w, "include $(BUILD_SYSTEM)/base_rules.mk\n\n")
diff --git a/testing/Android.bp b/testing/Android.bp
new file mode 100644
index 0000000..18dccb3
--- /dev/null
+++ b/testing/Android.bp
@@ -0,0 +1,21 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+bootstrap_go_package {
+    name: "soong-testing",
+    pkgPath: "android/soong/testing",
+    deps: [
+        "blueprint",
+        "soong-android",
+        "soong-testing-test_spec_proto",
+
+    ],
+    srcs: [
+        "all_test_specs.go",
+        "test_spec.go",
+        "init.go",
+        "test.go",
+    ],
+    pluginFor: ["soong_build"],
+}
diff --git a/testing/all_test_specs.go b/testing/all_test_specs.go
new file mode 100644
index 0000000..9d4645b
--- /dev/null
+++ b/testing/all_test_specs.go
@@ -0,0 +1,45 @@
+package testing
+
+import (
+	"android/soong/android"
+)
+
+const ownershipDirectory = "ownership"
+const fileContainingFilePaths = "all_test_spec_paths.rsp"
+const allTestSpecsFile = "all_test_specs.pb"
+
+func AllTestSpecsFactory() android.Singleton {
+	return &allTestSpecsSingleton{}
+}
+
+type allTestSpecsSingleton struct {
+	// Path where the collected metadata is stored after successful validation.
+	outputPath android.OutputPath
+}
+
+func (this *allTestSpecsSingleton) GenerateBuildActions(ctx android.SingletonContext) {
+	var intermediateMetadataPaths android.Paths
+
+	ctx.VisitAllModules(func(module android.Module) {
+		if !ctx.ModuleHasProvider(module, TestSpecProviderKey) {
+			return
+		}
+		intermediateMetadataPaths = append(intermediateMetadataPaths, ctx.ModuleProvider(module, TestSpecProviderKey).(TestSpecProviderData).IntermediatePath)
+	})
+
+	rspFile := android.PathForOutput(ctx, fileContainingFilePaths)
+	this.outputPath = android.PathForOutput(ctx, ownershipDirectory, allTestSpecsFile)
+
+	rule := android.NewRuleBuilder(pctx, ctx)
+	cmd := rule.Command().
+		BuiltTool("metadata").
+		FlagWithArg("-rule ", "test_spec").
+		FlagWithRspFileInputList("-inputFile ", rspFile, intermediateMetadataPaths)
+	cmd.FlagWithOutput("-outputFile ", this.outputPath)
+	rule.Build("all_test_specs_rule", "Generate all test specifications")
+	ctx.Phony("all_test_specs", this.outputPath)
+}
+
+func (this *allTestSpecsSingleton) MakeVars(ctx android.MakeVarsContext) {
+	ctx.DistForGoal("test_specs", this.outputPath)
+}
diff --git a/testing/init.go b/testing/init.go
new file mode 100644
index 0000000..206b430
--- /dev/null
+++ b/testing/init.go
@@ -0,0 +1,33 @@
+// Copyright 2022 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package testing
+
+import (
+	"android/soong/android"
+)
+
+var (
+	pctx = android.NewPackageContext("android/soong/testing")
+)
+
+func init() {
+	RegisterBuildComponents(android.InitRegistrationContext)
+	pctx.HostBinToolVariable("metadata", "metadata")
+}
+
+func RegisterBuildComponents(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("test_spec", TestSpecFactory)
+	ctx.RegisterParallelSingletonType("all_test_specs", AllTestSpecsFactory)
+}
diff --git a/testing/test.go b/testing/test.go
new file mode 100644
index 0000000..44824e4
--- /dev/null
+++ b/testing/test.go
@@ -0,0 +1,21 @@
+// Copyright 2023 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package testing
+
+import (
+	"android/soong/android"
+)
+
+var PrepareForTestWithTestSpecBuildComponents = android.FixtureRegisterWithContext(RegisterBuildComponents)
diff --git a/testing/test_spec.go b/testing/test_spec.go
new file mode 100644
index 0000000..c370f71
--- /dev/null
+++ b/testing/test_spec.go
@@ -0,0 +1,127 @@
+// Copyright 2020 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package testing
+
+import (
+	"path/filepath"
+	"strconv"
+
+	"android/soong/android"
+	"android/soong/testing/test_spec_proto"
+	"github.com/google/blueprint"
+	"google.golang.org/protobuf/proto"
+)
+
+// ErrTestModuleDataNotFound is the error message for missing test module provider data.
+const ErrTestModuleDataNotFound = "The module '%s' does not provide test specification data. Hint: This issue could arise if either the module is not a valid testing module or if it lacks the required 'TestModuleProviderKey' provider.\n"
+
+func TestSpecFactory() android.Module {
+	module := &TestSpecModule{}
+
+	android.InitAndroidModule(module)
+	android.InitDefaultableModule(module)
+	module.AddProperties(&module.properties)
+
+	return module
+}
+
+type TestSpecModule struct {
+	android.ModuleBase
+	android.DefaultableModuleBase
+	android.BazelModuleBase
+
+	// Properties for "test_spec"
+	properties struct {
+		// Specifies the name of the test config.
+		Name string
+		// Specifies the team ID.
+		TeamId string
+		// Specifies the list of tests covered under this module.
+		Tests []string
+	}
+}
+
+type testsDepTagType struct {
+	blueprint.BaseDependencyTag
+}
+
+var testsDepTag = testsDepTagType{}
+
+func (module *TestSpecModule) DepsMutator(ctx android.BottomUpMutatorContext) {
+	// Validate Properties
+	if len(module.properties.TeamId) == 0 {
+		ctx.PropertyErrorf("TeamId", "Team Id not found in the test_spec module. Hint: Maybe the TeamId property hasn't been properly specified.")
+	}
+	if !isInt(module.properties.TeamId) {
+		ctx.PropertyErrorf("TeamId", "Invalid value for Team ID. The Team ID must be an integer.")
+	}
+	if len(module.properties.Tests) == 0 {
+		ctx.PropertyErrorf("Tests", "Expected to attribute some test but none found. Hint: Maybe the test property hasn't been properly specified.")
+	}
+	ctx.AddDependency(ctx.Module(), testsDepTag, module.properties.Tests...)
+}
+func isInt(s string) bool {
+	_, err := strconv.Atoi(s)
+	return err == nil
+}
+
+// Provider published by TestSpec
+type TestSpecProviderData struct {
+	IntermediatePath android.WritablePath
+}
+
+var TestSpecProviderKey = blueprint.NewProvider(TestSpecProviderData{})
+
+type TestModuleProviderData struct {
+}
+
+var TestModuleProviderKey = blueprint.NewProvider(TestModuleProviderData{})
+
+func (module *TestSpecModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	for _, m := range ctx.GetDirectDepsWithTag(testsDepTag) {
+		if !ctx.OtherModuleHasProvider(m, TestModuleProviderKey) {
+			ctx.ModuleErrorf(ErrTestModuleDataNotFound, m.Name())
+		}
+	}
+	bpFilePath := filepath.Join(ctx.ModuleDir(), ctx.BlueprintsFile())
+	metadataList := make(
+		[]*test_spec_proto.TestSpec_OwnershipMetadata, 0,
+		len(module.properties.Tests),
+	)
+	for _, test := range module.properties.Tests {
+		targetName := test
+		metadata := test_spec_proto.TestSpec_OwnershipMetadata{
+			TrendyTeamId: &module.properties.TeamId,
+			TargetName:   &targetName,
+			Path:         &bpFilePath,
+		}
+		metadataList = append(metadataList, &metadata)
+	}
+	intermediatePath := android.PathForModuleOut(
+		ctx, "intermediateTestSpecMetadata.pb",
+	)
+	testSpecMetadata := test_spec_proto.TestSpec{OwnershipMetadataList: metadataList}
+	protoData, err := proto.Marshal(&testSpecMetadata)
+	if err != nil {
+		ctx.ModuleErrorf("Error: %s", err.Error())
+	}
+	android.WriteFileRule(ctx, intermediatePath, string(protoData))
+
+	ctx.SetProvider(
+		TestSpecProviderKey, TestSpecProviderData{
+			IntermediatePath: intermediatePath,
+		},
+	)
+}
diff --git a/testing/test_spec_proto/Android.bp b/testing/test_spec_proto/Android.bp
new file mode 100644
index 0000000..1cac492
--- /dev/null
+++ b/testing/test_spec_proto/Android.bp
@@ -0,0 +1,29 @@
+// Copyright 2022 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+bootstrap_go_package {
+    name: "soong-testing-test_spec_proto",
+    pkgPath: "android/soong/testing/test_spec_proto",
+    deps: [
+            "golang-protobuf-reflect-protoreflect",
+            "golang-protobuf-runtime-protoimpl",
+        ],
+    srcs: [
+        "test_spec.pb.go",
+    ],
+}
diff --git a/testing/test_spec_proto/OWNERS b/testing/test_spec_proto/OWNERS
new file mode 100644
index 0000000..03bcdf1
--- /dev/null
+++ b/testing/test_spec_proto/OWNERS
@@ -0,0 +1,4 @@
+dariofreni@google.com
+joeo@google.com
+ronish@google.com
+caditya@google.com
diff --git a/testing/test_spec_proto/regen.sh b/testing/test_spec_proto/regen.sh
new file mode 100644
index 0000000..2cf8203
--- /dev/null
+++ b/testing/test_spec_proto/regen.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+aprotoc --go_out=paths=source_relative:. test_spec.proto
diff --git a/testing/test_spec_proto/test_spec.pb.go b/testing/test_spec_proto/test_spec.pb.go
new file mode 100644
index 0000000..5cce600
--- /dev/null
+++ b/testing/test_spec_proto/test_spec.pb.go
@@ -0,0 +1,244 @@
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.30.0
+// 	protoc        v3.21.12
+// source: test_spec.proto
+
+package test_spec_proto
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type TestSpec struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// List of all test targets and their metadata.
+	OwnershipMetadataList []*TestSpec_OwnershipMetadata `protobuf:"bytes,1,rep,name=ownership_metadata_list,json=ownershipMetadataList" json:"ownership_metadata_list,omitempty"`
+}
+
+func (x *TestSpec) Reset() {
+	*x = TestSpec{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_test_spec_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TestSpec) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TestSpec) ProtoMessage() {}
+
+func (x *TestSpec) ProtoReflect() protoreflect.Message {
+	mi := &file_test_spec_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TestSpec.ProtoReflect.Descriptor instead.
+func (*TestSpec) Descriptor() ([]byte, []int) {
+	return file_test_spec_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *TestSpec) GetOwnershipMetadataList() []*TestSpec_OwnershipMetadata {
+	if x != nil {
+		return x.OwnershipMetadataList
+	}
+	return nil
+}
+
+type TestSpec_OwnershipMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	TargetName   *string `protobuf:"bytes,1,opt,name=target_name,json=targetName" json:"target_name,omitempty"`
+	Path         *string `protobuf:"bytes,2,opt,name=path" json:"path,omitempty"`
+	TrendyTeamId *string `protobuf:"bytes,3,opt,name=trendy_team_id,json=trendyTeamId" json:"trendy_team_id,omitempty"`
+}
+
+func (x *TestSpec_OwnershipMetadata) Reset() {
+	*x = TestSpec_OwnershipMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_test_spec_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TestSpec_OwnershipMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TestSpec_OwnershipMetadata) ProtoMessage() {}
+
+func (x *TestSpec_OwnershipMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_test_spec_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TestSpec_OwnershipMetadata.ProtoReflect.Descriptor instead.
+func (*TestSpec_OwnershipMetadata) Descriptor() ([]byte, []int) {
+	return file_test_spec_proto_rawDescGZIP(), []int{0, 0}
+}
+
+func (x *TestSpec_OwnershipMetadata) GetTargetName() string {
+	if x != nil && x.TargetName != nil {
+		return *x.TargetName
+	}
+	return ""
+}
+
+func (x *TestSpec_OwnershipMetadata) GetPath() string {
+	if x != nil && x.Path != nil {
+		return *x.Path
+	}
+	return ""
+}
+
+func (x *TestSpec_OwnershipMetadata) GetTrendyTeamId() string {
+	if x != nil && x.TrendyTeamId != nil {
+		return *x.TrendyTeamId
+	}
+	return ""
+}
+
+var File_test_spec_proto protoreflect.FileDescriptor
+
+var file_test_spec_proto_rawDesc = []byte{
+	0x0a, 0x0f, 0x74, 0x65, 0x73, 0x74, 0x5f, 0x73, 0x70, 0x65, 0x63, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x12, 0x0f, 0x74, 0x65, 0x73, 0x74, 0x5f, 0x73, 0x70, 0x65, 0x63, 0x5f, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x22, 0xdf, 0x01, 0x0a, 0x08, 0x54, 0x65, 0x73, 0x74, 0x53, 0x70, 0x65, 0x63, 0x12,
+	0x63, 0x0a, 0x17, 0x6f, 0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x5f, 0x6d, 0x65, 0x74,
+	0x61, 0x64, 0x61, 0x74, 0x61, 0x5f, 0x6c, 0x69, 0x73, 0x74, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b,
+	0x32, 0x2b, 0x2e, 0x74, 0x65, 0x73, 0x74, 0x5f, 0x73, 0x70, 0x65, 0x63, 0x5f, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x2e, 0x54, 0x65, 0x73, 0x74, 0x53, 0x70, 0x65, 0x63, 0x2e, 0x4f, 0x77, 0x6e, 0x65,
+	0x72, 0x73, 0x68, 0x69, 0x70, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x52, 0x15, 0x6f,
+	0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61,
+	0x4c, 0x69, 0x73, 0x74, 0x1a, 0x6e, 0x0a, 0x11, 0x4f, 0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69,
+	0x70, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x12, 0x1f, 0x0a, 0x0b, 0x74, 0x61, 0x72,
+	0x67, 0x65, 0x74, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a,
+	0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x61,
+	0x74, 0x68, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x70, 0x61, 0x74, 0x68, 0x12, 0x24,
+	0x0a, 0x0e, 0x74, 0x72, 0x65, 0x6e, 0x64, 0x79, 0x5f, 0x74, 0x65, 0x61, 0x6d, 0x5f, 0x69, 0x64,
+	0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c, 0x74, 0x72, 0x65, 0x6e, 0x64, 0x79, 0x54, 0x65,
+	0x61, 0x6d, 0x49, 0x64, 0x42, 0x27, 0x5a, 0x25, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x2f,
+	0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x2f, 0x74, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x67, 0x2f, 0x74, 0x65,
+	0x73, 0x74, 0x5f, 0x73, 0x70, 0x65, 0x63, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+}
+
+var (
+	file_test_spec_proto_rawDescOnce sync.Once
+	file_test_spec_proto_rawDescData = file_test_spec_proto_rawDesc
+)
+
+func file_test_spec_proto_rawDescGZIP() []byte {
+	file_test_spec_proto_rawDescOnce.Do(func() {
+		file_test_spec_proto_rawDescData = protoimpl.X.CompressGZIP(file_test_spec_proto_rawDescData)
+	})
+	return file_test_spec_proto_rawDescData
+}
+
+var file_test_spec_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_test_spec_proto_goTypes = []interface{}{
+	(*TestSpec)(nil),                   // 0: test_spec_proto.TestSpec
+	(*TestSpec_OwnershipMetadata)(nil), // 1: test_spec_proto.TestSpec.OwnershipMetadata
+}
+var file_test_spec_proto_depIdxs = []int32{
+	1, // 0: test_spec_proto.TestSpec.ownership_metadata_list:type_name -> test_spec_proto.TestSpec.OwnershipMetadata
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_test_spec_proto_init() }
+func file_test_spec_proto_init() {
+	if File_test_spec_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_test_spec_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TestSpec); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_test_spec_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TestSpec_OwnershipMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_test_spec_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_test_spec_proto_goTypes,
+		DependencyIndexes: file_test_spec_proto_depIdxs,
+		MessageInfos:      file_test_spec_proto_msgTypes,
+	}.Build()
+	File_test_spec_proto = out.File
+	file_test_spec_proto_rawDesc = nil
+	file_test_spec_proto_goTypes = nil
+	file_test_spec_proto_depIdxs = nil
+}
diff --git a/testing/test_spec_proto/test_spec.proto b/testing/test_spec_proto/test_spec.proto
new file mode 100644
index 0000000..86bc789
--- /dev/null
+++ b/testing/test_spec_proto/test_spec.proto
@@ -0,0 +1,33 @@
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto2";
+package test_spec_proto;
+option go_package = "android/soong/testing/test_spec_proto";
+
+message TestSpec {
+
+  message OwnershipMetadata {
+    // REQUIRED: Name of the build target
+    optional string target_name = 1;
+
+    // REQUIRED: Code location of the target.
+    // To be used to support legacy/backup systems that use OWNERS file and is
+    // also required for our dashboard to support per code location basis UI
+    optional string path = 2;
+
+    // REQUIRED: Team ID of the team that owns this target.
+    optional string trendy_team_id = 3;
+  }
+
+  // List of all test targets and their metadata.
+  repeated OwnershipMetadata ownership_metadata_list = 1;
+}
diff --git a/tests/genrule_sandbox_test.py b/tests/genrule_sandbox_test.py
index 874859a..3799e92 100755
--- a/tests/genrule_sandbox_test.py
+++ b/tests/genrule_sandbox_test.py
@@ -15,12 +15,14 @@
 # limitations under the License.
 
 import argparse
+import asyncio
 import collections
 import json
 import os
+import socket
 import subprocess
 import sys
-import tempfile
+import textwrap
 
 def get_top() -> str:
   path = '.'
@@ -30,39 +32,65 @@
     path = os.path.join(path, '..')
   return os.path.abspath(path)
 
-def _build_with_soong(targets, target_product, *, keep_going = False, extra_env={}):
-  env = {
-      **os.environ,
-      "TARGET_PRODUCT": target_product,
-      "TARGET_BUILD_VARIANT": "userdebug",
-  }
-  env.update(extra_env)
+async def _build_with_soong(out_dir, targets, *, extra_env={}):
+  env = os.environ | extra_env
+
+  # Use nsjail to remap the out_dir to out/, because some genrules write the path to the out
+  # dir into their artifacts, so if the out directories were different it would cause a diff
+  # that doesn't really matter.
   args = [
+      'prebuilts/build-tools/linux-x86/bin/nsjail',
+      '-q',
+      '--cwd',
+      os.getcwd(),
+      '-e',
+      '-B',
+      '/',
+      '-B',
+      f'{os.path.abspath(out_dir)}:{os.path.abspath("out")}',
+      '--time_limit',
+      '0',
+      '--skip_setsid',
+      '--keep_caps',
+      '--disable_clone_newcgroup',
+      '--disable_clone_newnet',
+      '--rlimit_as',
+      'soft',
+      '--rlimit_core',
+      'soft',
+      '--rlimit_cpu',
+      'soft',
+      '--rlimit_fsize',
+      'soft',
+      '--rlimit_nofile',
+      'soft',
+      '--proc_rw',
+      '--hostname',
+      socket.gethostname(),
+      '--',
       "build/soong/soong_ui.bash",
       "--make-mode",
       "--skip-soong-tests",
   ]
-  if keep_going:
-    args.append("-k")
   args.extend(targets)
-  try:
-    subprocess.check_output(
-        args,
-        env=env,
-    )
-  except subprocess.CalledProcessError as e:
-    print(e)
-    print(e.stdout)
-    print(e.stderr)
-    exit(1)
+  process = await asyncio.create_subprocess_exec(
+      *args,
+      stdout=asyncio.subprocess.PIPE,
+      stderr=asyncio.subprocess.PIPE,
+      env=env,
+  )
+  stdout, stderr = await process.communicate()
+  if process.returncode != 0:
+    print(stdout)
+    print(stderr)
+    sys.exit(process.returncode)
 
 
-def _find_outputs_for_modules(modules, out_dir, target_product):
-  module_path = os.path.join(out_dir, "soong", "module-actions.json")
+async def _find_outputs_for_modules(modules):
+  module_path = "out/soong/module-actions.json"
 
   if not os.path.exists(module_path):
-    # Use GENRULE_SANDBOXING=false so that we don't cause re-analysis later when we do the no-sandboxing build
-    _build_with_soong(["json-module-graph"], target_product, extra_env={"GENRULE_SANDBOXING": "false"})
+    await _build_with_soong('out', ["json-module-graph"])
 
   with open(module_path) as f:
     action_graph = json.load(f)
@@ -71,7 +99,7 @@
   for mod in action_graph:
     name = mod["Name"]
     if name in modules:
-      for act in mod["Module"]["Actions"]:
+      for act in (mod["Module"]["Actions"] or []):
         if "}generate" in act["Desc"]:
           module_to_outs[name].update(act["Outputs"])
   return module_to_outs
@@ -89,20 +117,19 @@
   return different_modules
 
 
-def main():
+async def main():
   parser = argparse.ArgumentParser()
   parser.add_argument(
-      "--target_product",
-      "-t",
-      default="aosp_cf_arm64_phone",
-      help="optional, target product, always runs as eng",
-  )
-  parser.add_argument(
       "modules",
       nargs="+",
       help="modules to compare builds with genrule sandboxing enabled/not",
   )
   parser.add_argument(
+      "--check-determinism",
+      action="store_true",
+      help="Don't check for working sandboxing. Instead, run two default builds, and compare their outputs. This is used to check for nondeterminsim, which would also affect the sandboxed test.",
+  )
+  parser.add_argument(
       "--show-diff",
       "-d",
       action="store_true",
@@ -117,10 +144,13 @@
   args = parser.parse_args()
   os.chdir(get_top())
 
-  out_dir = os.environ.get("OUT_DIR", "out")
+  if "TARGET_PRODUCT" not in os.environ:
+    sys.exit("Please run lunch first")
+  if os.environ.get("OUT_DIR", "out") != "out":
+    sys.exit(f"This script expects OUT_DIR to be 'out', got: '{os.environ.get('OUT_DIR')}'")
 
   print("finding output files for the modules...")
-  module_to_outs = _find_outputs_for_modules(set(args.modules), out_dir, args.target_product)
+  module_to_outs = await _find_outputs_for_modules(set(args.modules))
   if not module_to_outs:
     sys.exit("No outputs found")
 
@@ -130,33 +160,48 @@
     sys.exit(0)
 
   all_outs = list(set.union(*module_to_outs.values()))
+  for i, out in enumerate(all_outs):
+    if not out.startswith("out/"):
+      sys.exit("Expected output file to start with out/, found: " + out)
 
-  print("building without sandboxing...")
-  _build_with_soong(all_outs, args.target_product, extra_env={"GENRULE_SANDBOXING": "false"})
-  with tempfile.TemporaryDirectory() as tempdir:
-    for f in all_outs:
-      subprocess.check_call(["cp", "--parents", f, tempdir])
+  other_out_dir = "out_check_determinism" if args.check_determinism else "out_not_sandboxed"
+  other_env = {"GENRULE_SANDBOXING": "false"}
+  if args.check_determinism:
+    other_env = {}
 
-    print("building with sandboxing...")
-    _build_with_soong(
-        all_outs,
-        args.target_product,
-        # We've verified these build without sandboxing already, so do the sandboxing build
-        # with keep_going = True so that we can find all the genrules that fail to build with
-        # sandboxing.
-        keep_going = True,
-        extra_env={"GENRULE_SANDBOXING": "true"},
-    )
+  # nsjail will complain if the out dir doesn't exist
+  os.makedirs("out", exist_ok=True)
+  os.makedirs(other_out_dir, exist_ok=True)
 
-    diffs = _compare_outputs(module_to_outs, tempdir)
-    if len(diffs) == 0:
-      print("All modules are correct")
-    elif args.show_diff:
-      for m, d in diffs.items():
-        print(f"Module {m} has diffs {d}")
-    else:
-      print(f"Modules {list(diffs.keys())} have diffs")
+  print("building...")
+  await asyncio.gather(
+    _build_with_soong("out", all_outs),
+    _build_with_soong(other_out_dir, all_outs, extra_env=other_env)
+  )
+
+  diffs = collections.defaultdict(dict)
+  for module, outs in module_to_outs.items():
+    for out in outs:
+      try:
+        subprocess.check_output(["diff", os.path.join(other_out_dir, out.removeprefix("out/")), out])
+      except subprocess.CalledProcessError as e:
+        diffs[module][out] = e.stdout
+
+  if len(diffs) == 0:
+    print("All modules are correct")
+  elif args.show_diff:
+    for m, files in diffs.items():
+      print(f"Module {m} has diffs:")
+      for f, d in files.items():
+        print("  "+f+":")
+        print(textwrap.indent(d, "    "))
+  else:
+    print(f"Modules {list(diffs.keys())} have diffs in these files:")
+    all_diff_files = [f for m in diffs.values() for f in m]
+    for f in all_diff_files:
+      print(f)
+
 
 
 if __name__ == "__main__":
-  main()
+  asyncio.run(main())
diff --git a/ui/build/config.go b/ui/build/config.go
index d345415..613fc65 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -384,10 +384,14 @@
 	// Configure Java-related variables, including adding it to $PATH
 	java8Home := filepath.Join("prebuilts/jdk/jdk8", ret.HostPrebuiltTag())
 	java17Home := filepath.Join("prebuilts/jdk/jdk17", ret.HostPrebuiltTag())
+	java21Home := filepath.Join("prebuilts/jdk/jdk21", ret.HostPrebuiltTag())
 	javaHome := func() string {
 		if override, ok := ret.environ.Get("OVERRIDE_ANDROID_JAVA_HOME"); ok {
 			return override
 		}
+		if ret.environ.IsEnvTrue("EXPERIMENTAL_USE_OPENJDK21_TOOLCHAIN") {
+			return java21Home
+		}
 		if toolchain11, ok := ret.environ.Get("EXPERIMENTAL_USE_OPENJDK11_TOOLCHAIN"); ok && toolchain11 != "true" {
 			ctx.Fatalln("The environment variable EXPERIMENTAL_USE_OPENJDK11_TOOLCHAIN is no longer supported. An OpenJDK 11 toolchain is now the global default.")
 		}
diff --git a/ui/status/ninja.go b/ui/status/ninja.go
index 7b25d50..1e97908 100644
--- a/ui/status/ninja.go
+++ b/ui/status/ninja.go
@@ -20,6 +20,7 @@
 	"io"
 	"os"
 	"regexp"
+	"runtime"
 	"strings"
 	"syscall"
 	"time"
@@ -178,7 +179,28 @@
 			// msgChan is closed
 			break
 		}
-		// Ignore msg.BuildStarted
+
+		if msg.BuildStarted != nil {
+			parallelism := uint32(runtime.NumCPU())
+			if msg.BuildStarted.GetParallelism() > 0 {
+				parallelism = msg.BuildStarted.GetParallelism()
+			}
+			// It is estimated from total time / parallelism assumming the build is packing enough.
+			estimatedDurationFromTotal := time.Duration(msg.BuildStarted.GetEstimatedTotalTime()/parallelism) * time.Millisecond
+			// It is estimated from critical path time which is useful for small size build.
+			estimatedDurationFromCriticalPath := time.Duration(msg.BuildStarted.GetCriticalPathTime()) * time.Millisecond
+			// Select the longer one.
+			estimatedDuration := max(estimatedDurationFromTotal, estimatedDurationFromCriticalPath)
+
+			if estimatedDuration > 0 {
+				n.status.SetEstimatedTime(time.Now().Add(estimatedDuration))
+				n.status.Verbose(fmt.Sprintf("parallelism: %d, estimiated from total time: %s, critical path time: %s",
+					parallelism,
+					estimatedDurationFromTotal,
+					estimatedDurationFromCriticalPath))
+
+			}
+		}
 		if msg.TotalEdges != nil {
 			n.status.SetTotalActions(int(msg.TotalEdges.GetTotalEdges()))
 		}
diff --git a/ui/status/ninja_frontend/frontend.pb.go b/ui/status/ninja_frontend/frontend.pb.go
index d0c4953..d8344c8 100644
--- a/ui/status/ninja_frontend/frontend.pb.go
+++ b/ui/status/ninja_frontend/frontend.pb.go
@@ -14,7 +14,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.1
+// 	protoc-gen-go v1.30.0
 // 	protoc        v3.21.12
 // source: frontend.proto
 
@@ -240,6 +240,10 @@
 	Parallelism *uint32 `protobuf:"varint,1,opt,name=parallelism" json:"parallelism,omitempty"`
 	// Verbose value passed to ninja.
 	Verbose *bool `protobuf:"varint,2,opt,name=verbose" json:"verbose,omitempty"`
+	// Critical path's running time in milliseconds
+	CriticalPathTime *uint32 `protobuf:"varint,3,opt,name=critical_path_time,json=criticalPathTime" json:"critical_path_time,omitempty"`
+	// Total running time of every need-to-build edge in milliseconds
+	EstimatedTotalTime *uint32 `protobuf:"varint,4,opt,name=estimated_total_time,json=estimatedTotalTime" json:"estimated_total_time,omitempty"`
 }
 
 func (x *Status_BuildStarted) Reset() {
@@ -288,6 +292,20 @@
 	return false
 }
 
+func (x *Status_BuildStarted) GetCriticalPathTime() uint32 {
+	if x != nil && x.CriticalPathTime != nil {
+		return *x.CriticalPathTime
+	}
+	return 0
+}
+
+func (x *Status_BuildStarted) GetEstimatedTotalTime() uint32 {
+	if x != nil && x.EstimatedTotalTime != nil {
+		return *x.EstimatedTotalTime
+	}
+	return 0
+}
+
 type Status_BuildFinished struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -660,7 +678,7 @@
 
 var file_frontend_proto_rawDesc = []byte{
 	0x0a, 0x0e, 0x66, 0x72, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x64, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x12, 0x05, 0x6e, 0x69, 0x6e, 0x6a, 0x61, 0x22, 0xc8, 0x0a, 0x0a, 0x06, 0x53, 0x74, 0x61, 0x74,
+	0x12, 0x05, 0x6e, 0x69, 0x6e, 0x6a, 0x61, 0x22, 0xa9, 0x0b, 0x0a, 0x06, 0x53, 0x74, 0x61, 0x74,
 	0x75, 0x73, 0x12, 0x39, 0x0a, 0x0b, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x5f, 0x65, 0x64, 0x67, 0x65,
 	0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x18, 0x2e, 0x6e, 0x69, 0x6e, 0x6a, 0x61, 0x2e,
 	0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x2e, 0x54, 0x6f, 0x74, 0x61, 0x6c, 0x45, 0x64, 0x67, 0x65,
@@ -687,67 +705,73 @@
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-	0x69, 0x73, 0x6d, 0x12, 0x18, 0x0a, 0x07, 0x76, 0x65, 0x72, 0x62, 0x6f, 0x73, 0x65, 0x18, 0x02,
-	0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x76, 0x65, 0x72, 0x62, 0x6f, 0x73, 0x65, 0x1a, 0x0f, 0x0a,
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 }
 
 var (
diff --git a/ui/status/ninja_frontend/frontend.proto b/ui/status/ninja_frontend/frontend.proto
index 6cb4a0d..42b251b 100644
--- a/ui/status/ninja_frontend/frontend.proto
+++ b/ui/status/ninja_frontend/frontend.proto
@@ -30,6 +30,10 @@
     optional uint32 parallelism = 1;
     // Verbose value passed to ninja.
     optional bool verbose = 2;
+    // Critical path's running time in milliseconds
+    optional uint32 critical_path_time = 3;
+    // Total running time of every need-to-build edge in milliseconds
+    optional uint32 estimated_total_time = 4;
   }
 
   message BuildFinished {
diff --git a/ui/status/status.go b/ui/status/status.go
index f3e58b6..da78994 100644
--- a/ui/status/status.go
+++ b/ui/status/status.go
@@ -19,6 +19,7 @@
 
 import (
 	"sync"
+	"time"
 )
 
 // Action describes an action taken (or as Ninja calls them, Edges).
@@ -107,6 +108,8 @@
 	// FinishedActions are the number of actions that have been finished
 	// with FinishAction.
 	FinishedActions int
+
+	EstimatedTime time.Time
 }
 
 // ToolStatus is the interface used by tools to report on their Actions, and to
@@ -118,6 +121,7 @@
 	// This call be will ignored if it sets a number that is less than the
 	// current number of started actions.
 	SetTotalActions(total int)
+	SetEstimatedTime(estimatedTime time.Time)
 
 	// StartAction specifies that the associated action has been started by
 	// the tool.
@@ -267,6 +271,13 @@
 	s.counts.TotalActions += diff
 }
 
+func (s *Status) SetEstimatedTime(estimatedTime time.Time) {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	s.counts.EstimatedTime = estimatedTime
+}
+
 func (s *Status) startAction(action *Action) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -329,6 +340,10 @@
 	}
 }
 
+func (d *toolStatus) SetEstimatedTime(estimatedTime time.Time) {
+	d.status.SetEstimatedTime(estimatedTime)
+}
+
 func (d *toolStatus) StartAction(action *Action) {
 	totalDiff := 0
 
diff --git a/ui/terminal/format.go b/ui/terminal/format.go
index 4205bdc..5391023 100644
--- a/ui/terminal/format.go
+++ b/ui/terminal/format.go
@@ -25,6 +25,7 @@
 type formatter struct {
 	format string
 	quiet  bool
+	smart  bool
 	start  time.Time
 }
 
@@ -32,10 +33,11 @@
 // the terminal in a format similar to Ninja.
 // format takes nearly all the same options as NINJA_STATUS.
 // %c is currently unsupported.
-func newFormatter(format string, quiet bool) formatter {
+func newFormatter(format string, quiet bool, smart bool) formatter {
 	return formatter{
 		format: format,
 		quiet:  quiet,
+		smart:  smart,
 		start:  time.Now(),
 	}
 }
@@ -51,9 +53,23 @@
 	return ""
 }
 
+func remainingTimeString(t time.Time) string {
+	now := time.Now()
+	if t.After(now) {
+		return t.Sub(now).Round(time.Duration(time.Second)).String()
+	}
+	return time.Duration(0).Round(time.Duration(time.Second)).String()
+}
 func (s formatter) progress(counts status.Counts) string {
 	if s.format == "" {
-		return fmt.Sprintf("[%3d%% %d/%d] ", 100*counts.FinishedActions/counts.TotalActions, counts.FinishedActions, counts.TotalActions)
+		output := fmt.Sprintf("[%3d%% %d/%d", 100*counts.FinishedActions/counts.TotalActions, counts.FinishedActions, counts.TotalActions)
+		// Not to break parsing logic in the build bot
+		// TODO(b/313981966): make buildbot more flexible for output format
+		if s.smart && !counts.EstimatedTime.IsZero() {
+			output += fmt.Sprintf(" %s remaining", remainingTimeString(counts.EstimatedTime))
+		}
+		output += "] "
+		return output
 	}
 
 	buf := &strings.Builder{}
@@ -93,6 +109,13 @@
 			fmt.Fprintf(buf, "%3d%%", 100*counts.FinishedActions/counts.TotalActions)
 		case 'e':
 			fmt.Fprintf(buf, "%.3f", time.Since(s.start).Seconds())
+		case 'l':
+			if counts.EstimatedTime.IsZero() {
+				// No esitimated data
+				buf.WriteRune('?')
+			} else {
+				fmt.Fprintf(buf, "%s", remainingTimeString(counts.EstimatedTime))
+			}
 		default:
 			buf.WriteString("unknown placeholder '")
 			buf.WriteByte(c)
diff --git a/ui/terminal/status.go b/ui/terminal/status.go
index 2ad174f..810e3c9 100644
--- a/ui/terminal/status.go
+++ b/ui/terminal/status.go
@@ -27,9 +27,10 @@
 // statusFormat takes nearly all the same options as NINJA_STATUS.
 // %c is currently unsupported.
 func NewStatusOutput(w io.Writer, statusFormat string, forceSimpleOutput, quietBuild, forceKeepANSI bool) status.StatusOutput {
-	formatter := newFormatter(statusFormat, quietBuild)
+	useSmartStatus := !forceSimpleOutput && isSmartTerminal(w)
+	formatter := newFormatter(statusFormat, quietBuild, useSmartStatus)
 
-	if !forceSimpleOutput && isSmartTerminal(w) {
+	if useSmartStatus {
 		return NewSmartStatusOutput(w, formatter)
 	} else {
 		return NewSimpleStatusOutput(w, formatter, forceKeepANSI)