diff --git a/OWNERS b/OWNERS
index bbfd011..f15bd32 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,17 +1,22 @@
 # This file is included by several other projects as the list of people
 # approving build related projects.
 
+# AMER
 ahumesky@google.com
 asmundak@google.com
 ccross@android.com
 cparsons@google.com
 dwillemsen@google.com
 eakammer@google.com
-jingwen@google.com
 joeo@google.com
-lberki@google.com
+spandandas@google.com
+yuntaoxu@google.com
+
+# APAC
+jingwen@google.com
 ruperts@google.com
 
-# To expedite LON reviews
+# EMEA
 hansson@google.com
+lberki@google.com
 paulduffin@google.com
diff --git a/android/arch.go b/android/arch.go
index 340f136..cc70eee 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -1987,6 +1987,10 @@
 	axisToProps[bazel.OsConfigurationAxis] = osToProp
 	axisToProps[bazel.OsArchConfigurationAxis] = archOsToProp
 
+	axisToProps[bazel.BionicConfigurationAxis] = map[string]interface{}{
+		"bionic": getTargetStruct(ctx, propertySet, archProperties, "Bionic"),
+	}
+
 	return axisToProps
 }
 
diff --git a/android/bazel.go b/android/bazel.go
index 8d13762..46212dc 100644
--- a/android/bazel.go
+++ b/android/bazel.go
@@ -129,7 +129,7 @@
 	// Keep any existing BUILD files (and do not generate new BUILD files) for these directories
 	bp2buildKeepExistingBuildFile = map[string]bool{
 		// This is actually build/bazel/build.BAZEL symlinked to ./BUILD
-		".":/*recrusive = */ false,
+		".":/*recursive = */ false,
 
 		"build/bazel":/* recursive = */ true,
 		"build/pesto":/* recursive = */ true,
@@ -144,9 +144,10 @@
 
 	// Configure modules in these directories to enable bp2build_available: true or false by default.
 	bp2buildDefaultConfig = Bp2BuildConfig{
-		"bionic":                Bp2BuildDefaultTrueRecursively,
-		"external/gwp_asan":     Bp2BuildDefaultTrueRecursively,
-		"system/core/libcutils": Bp2BuildDefaultTrueRecursively,
+		"bionic":                            Bp2BuildDefaultTrueRecursively,
+		"build/bazel/examples/apex/minimal": Bp2BuildDefaultTrueRecursively,
+		"external/gwp_asan":                 Bp2BuildDefaultTrueRecursively,
+		"system/core/libcutils":             Bp2BuildDefaultTrueRecursively,
 		"system/core/property_service/libpropertyinfoparser": Bp2BuildDefaultTrueRecursively,
 		"system/libbase":                  Bp2BuildDefaultTrueRecursively,
 		"system/logging/liblog":           Bp2BuildDefaultTrueRecursively,
diff --git a/android/sdk.go b/android/sdk.go
index e700031..da740f3 100644
--- a/android/sdk.go
+++ b/android/sdk.go
@@ -239,6 +239,12 @@
 	// to the zip
 	CopyToSnapshot(src Path, dest string)
 
+	// Return the path to an empty file.
+	//
+	// This can be used by sdk member types that need to create an empty file in the snapshot, simply
+	// pass the value returned from this to the CopyToSnapshot() method.
+	EmptyFile() Path
+
 	// Unzip the supplied zip into the snapshot relative directory destDir.
 	UnzipToSnapshot(zipPath Path, destDir string)
 
diff --git a/apex/apex.go b/apex/apex.go
index 11df288..d385ac1 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -2240,6 +2240,7 @@
 	android.InitDefaultableModule(module)
 	android.InitSdkAwareModule(module)
 	android.InitOverridableModule(module, &module.overridableProperties.Overrides)
+	android.InitBazelModule(module)
 	return module
 }
 
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 422e46c..d6c7142 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -4667,6 +4667,13 @@
 			prebuilt_bootclasspath_fragment {
 				name: "art-bootclasspath-fragment",
 				contents: ["core-oj"],
+				hidden_api: {
+					annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+					metadata: "my-bootclasspath-fragment/metadata.csv",
+					index: "my-bootclasspath-fragment/index.csv",
+					stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+					all_flags: "my-bootclasspath-fragment/all-flags.csv",
+				},
 			}
 
 			java_import {
@@ -4890,7 +4897,7 @@
 		}
 	}
 
-	checkHiddenAPIIndexInputs := func(t *testing.T, ctx *android.TestContext, expectedIntermediateInputs string) {
+	checkHiddenAPIIndexFromClassesInputs := func(t *testing.T, ctx *android.TestContext, expectedIntermediateInputs string) {
 		t.Helper()
 		platformBootclasspath := ctx.ModuleForTests("platform-bootclasspath", "android_common")
 		var rule android.TestingBuildParams
@@ -4899,6 +4906,15 @@
 		java.CheckHiddenAPIRuleInputs(t, "intermediate index", expectedIntermediateInputs, rule)
 	}
 
+	checkHiddenAPIIndexFromFlagsInputs := func(t *testing.T, ctx *android.TestContext, expectedIntermediateInputs string) {
+		t.Helper()
+		platformBootclasspath := ctx.ModuleForTests("platform-bootclasspath", "android_common")
+		var rule android.TestingBuildParams
+
+		rule = platformBootclasspath.Output("hiddenapi-index.csv")
+		java.CheckHiddenAPIRuleInputs(t, "monolithic index", expectedIntermediateInputs, rule)
+	}
+
 	fragment := java.ApexVariantReference{
 		Apex:   proptools.StringPtr("myapex"),
 		Module: proptools.StringPtr("my-bootclasspath-fragment"),
@@ -4923,6 +4939,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -4946,9 +4969,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/libbar.stubs/android_common/combined/libbar.stubs.jar
-			out/soong/.intermediates/libfoo/android_common_myapex/combined/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 
@@ -4964,6 +4988,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -4987,9 +5018,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/libbar.stubs/android_common/combined/libbar.stubs.jar
-			out/soong/.intermediates/libfoo/android_common_myapex/combined/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 
@@ -5012,6 +5044,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -5070,6 +5109,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -5108,9 +5154,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/prebuilt_libbar.stubs/android_common/combined/libbar.stubs.jar
-			out/soong/.intermediates/prebuilt_libfoo/android_common_myapex/combined/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 
@@ -5146,6 +5193,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -5182,9 +5236,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/libbar/android_common_myapex/hiddenapi/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/libbar/android_common_myapex/javac/libbar.jar
-			out/soong/.intermediates/libfoo/android_common_apex10000/javac/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 
@@ -5220,6 +5275,13 @@
 			name: "my-bootclasspath-fragment",
 			contents: ["libfoo", "libbar"],
 			apex_available: ["myapex"],
+			hidden_api: {
+				annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+				metadata: "my-bootclasspath-fragment/metadata.csv",
+				index: "my-bootclasspath-fragment/index.csv",
+				stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+				all_flags: "my-bootclasspath-fragment/all-flags.csv",
+			},
 		}
 
 		java_import {
@@ -5258,9 +5320,10 @@
 		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
-		checkHiddenAPIIndexInputs(t, ctx, `
-			out/soong/.intermediates/prebuilt_libbar.stubs/android_common/combined/libbar.stubs.jar
-			out/soong/.intermediates/prebuilt_libfoo/android_common_myapex/combined/libfoo.jar
+		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
+		checkHiddenAPIIndexFromFlagsInputs(t, ctx, `
+			my-bootclasspath-fragment/index.csv
+			out/soong/.intermediates/frameworks/base/boot/platform-bootclasspath/android_common/hiddenapi-monolithic/index-from-classes.csv
 		`)
 	})
 }
@@ -7183,6 +7246,13 @@
 				name: "my-bootclasspath-fragment",
 				contents: ["libfoo"],
 				apex_available: ["myapex"],
+				hidden_api: {
+					annotation_flags: "my-bootclasspath-fragment/annotation-flags.csv",
+					metadata: "my-bootclasspath-fragment/metadata.csv",
+					index: "my-bootclasspath-fragment/index.csv",
+					stub_flags: "my-bootclasspath-fragment/stub-flags.csv",
+					all_flags: "my-bootclasspath-fragment/all-flags.csv",
+				},
 			}
 
 			java_import {
diff --git a/apex/bootclasspath_fragment_test.go b/apex/bootclasspath_fragment_test.go
index 4b1600e..5cd3eab 100644
--- a/apex/bootclasspath_fragment_test.go
+++ b/apex/bootclasspath_fragment_test.go
@@ -383,6 +383,13 @@
 				apex_available: [
 					"com.android.art",
 				],
+				hidden_api: {
+					annotation_flags: "mybootclasspathfragment/annotation-flags.csv",
+					metadata: "mybootclasspathfragment/metadata.csv",
+					index: "mybootclasspathfragment/index.csv",
+					stub_flags: "mybootclasspathfragment/stub-flags.csv",
+					all_flags: "mybootclasspathfragment/all-flags.csv",
+				},
 			}
 		`, contentsInsert(contents), prefer)
 		return android.FixtureAddTextFile("prebuilts/module_sdk/art/Android.bp", text)
@@ -582,6 +589,13 @@
 			apex_available: [
 				"com.android.art",
 			],
+			hidden_api: {
+				annotation_flags: "mybootclasspathfragment/annotation-flags.csv",
+				metadata: "mybootclasspathfragment/metadata.csv",
+				index: "mybootclasspathfragment/index.csv",
+				stub_flags: "mybootclasspathfragment/stub-flags.csv",
+				all_flags: "mybootclasspathfragment/all-flags.csv",
+			},
 		}
 	`)
 
diff --git a/apex/builder.go b/apex/builder.go
index 24c049b..148f42f 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -761,7 +761,7 @@
 	rule := java.Signapk
 	args := map[string]string{
 		"certificates": pem.String() + " " + key.String(),
-		"flags":        "-a 4096", //alignment
+		"flags":        "-a 4096 --align-file-size", //alignment
 	}
 	implicits := android.Paths{pem, key}
 	if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_SIGNAPK") {
diff --git a/bazel/configurability.go b/bazel/configurability.go
index 282c606..35f194d 100644
--- a/bazel/configurability.go
+++ b/bazel/configurability.go
@@ -91,6 +91,11 @@
 		conditionsDefault: ConditionsDefaultSelectKey, // The default condition of an os select map.
 	}
 
+	platformBionicMap = map[string]string{
+		"bionic":          "//build/bazel/platforms/os:bionic",
+		conditionsDefault: ConditionsDefaultSelectKey, // The default condition of an os select map.
+	}
+
 	platformOsArchMap = map[string]string{
 		osArchAndroidArm:        "//build/bazel/platforms/os_arch:android_arm",
 		osArchAndroidArm64:      "//build/bazel/platforms/os_arch:android_arm64",
@@ -117,6 +122,7 @@
 	arch
 	os
 	osArch
+	bionic
 	productVariables
 )
 
@@ -126,6 +132,7 @@
 		arch:             "arch",
 		os:               "os",
 		osArch:           "arch_os",
+		bionic:           "bionic",
 		productVariables: "product_variables",
 	}[ct]
 }
@@ -148,6 +155,10 @@
 		if _, ok := platformOsArchMap[config]; !ok {
 			panic(fmt.Errorf("Unknown os+arch: %s", config))
 		}
+	case bionic:
+		if _, ok := platformBionicMap[config]; !ok {
+			panic(fmt.Errorf("Unknown for %s: %s", ct.String(), config))
+		}
 	case productVariables:
 		// do nothing
 	default:
@@ -167,6 +178,8 @@
 		return platformOsMap[config]
 	case osArch:
 		return platformOsArchMap[config]
+	case bionic:
+		return platformBionicMap[config]
 	case productVariables:
 		if config == conditionsDefault {
 			return ConditionsDefaultSelectKey
@@ -186,6 +199,8 @@
 	OsConfigurationAxis = ConfigurationAxis{configurationType: os}
 	// An axis for arch+os-specific configurations
 	OsArchConfigurationAxis = ConfigurationAxis{configurationType: osArch}
+	// An axis for bionic os-specific configurations
+	BionicConfigurationAxis = ConfigurationAxis{configurationType: bionic}
 )
 
 // ProductVariableConfigurationAxis returns an axis for the given product variable
diff --git a/bazel/properties.go b/bazel/properties.go
index 7ecc92b..2656bad 100644
--- a/bazel/properties.go
+++ b/bazel/properties.go
@@ -321,7 +321,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		la.Value = &value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if la.ConfigurableValues == nil {
 			la.ConfigurableValues = make(configurableLabels)
 		}
@@ -337,7 +337,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		return *la.Value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		return *la.ConfigurableValues[axis][config]
 	default:
 		panic(fmt.Errorf("Unrecognized ConfigurationAxis %s", axis))
@@ -394,7 +394,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		ba.Value = value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if ba.ConfigurableValues == nil {
 			ba.ConfigurableValues = make(configurableBools)
 		}
@@ -410,7 +410,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		return ba.Value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if v, ok := ba.ConfigurableValues[axis][config]; ok {
 			return &v
 		} else {
@@ -509,7 +509,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		lla.Value = list
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if lla.ConfigurableValues == nil {
 			lla.ConfigurableValues = make(configurableLabelLists)
 		}
@@ -525,7 +525,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		return lla.Value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		return lla.ConfigurableValues[axis][config]
 	default:
 		panic(fmt.Errorf("Unrecognized ConfigurationAxis %s", axis))
@@ -682,7 +682,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		sla.Value = list
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		if sla.ConfigurableValues == nil {
 			sla.ConfigurableValues = make(configurableStringLists)
 		}
@@ -698,7 +698,7 @@
 	switch axis.configurationType {
 	case noConfig:
 		return sla.Value
-	case arch, os, osArch, productVariables:
+	case arch, os, osArch, bionic, productVariables:
 		return sla.ConfigurableValues[axis][config]
 	default:
 		panic(fmt.Errorf("Unrecognized ConfigurationAxis %s", axis))
diff --git a/bp2build/apex_conversion_test.go b/bp2build/apex_conversion_test.go
index fbf6fa2..f4a1016 100644
--- a/bp2build/apex_conversion_test.go
+++ b/bp2build/apex_conversion_test.go
@@ -46,3 +46,23 @@
     manifest = "manifest.json",
 )`}})
 }
+
+func TestApexBundleHasBazelModuleProps(t *testing.T) {
+	runApexTestCase(t, bp2buildTestCase{
+		description:                        "apex - has bazel module props",
+		moduleTypeUnderTest:                "apex",
+		moduleTypeUnderTestFactory:         apex.BundleFactory,
+		moduleTypeUnderTestBp2BuildMutator: apex.ApexBundleBp2Build,
+		filesystem:                         map[string]string{},
+		blueprint: `
+apex {
+	name: "apogee",
+	manifest: "manifest.json",
+	bazel_module: { bp2build_available: true },
+}
+`,
+		expectedBazelTargets: []string{`apex(
+    name = "apogee",
+    manifest = "manifest.json",
+)`}})
+}
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index 4f720f5..662d9d1 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -118,6 +118,7 @@
 		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
 		filesystem: map[string]string{
 			"android.cpp": "",
+			"bionic.cpp":  "",
 			"darwin.cpp":  "",
 			// Refer to cc.headerExts for the supported header extensions in Soong.
 			"header.h":         "",
@@ -164,6 +165,9 @@
         darwin: {
             srcs: ["darwin.cpp"],
         },
+        bionic: {
+          srcs: ["bionic.cpp"]
+        },
     },
 }
 `,
@@ -190,6 +194,9 @@
         "//build/bazel/platforms/os:darwin": ["darwin.cpp"],
         "//build/bazel/platforms/os:linux": ["linux.cpp"],
         "//conditions:default": [],
+    }) + select({
+        "//build/bazel/platforms/os:bionic": ["bionic.cpp"],
+        "//conditions:default": [],
     }),
 )`}})
 }
diff --git a/cc/Android.bp b/cc/Android.bp
index 46740dc..4b750ff 100644
--- a/cc/Android.bp
+++ b/cc/Android.bp
@@ -58,6 +58,7 @@
         "binary.go",
         "binary_sdk_member.go",
         "fuzz.go",
+        "fuzz_common.go",
         "library.go",
         "library_headers.go",
         "library_sdk_member.go",
diff --git a/cc/androidmk.go b/cc/androidmk.go
index e58d166..bda1006 100644
--- a/cc/androidmk.go
+++ b/cc/androidmk.go
@@ -401,24 +401,24 @@
 	ctx.subAndroidMk(entries, fuzz.binaryDecorator)
 
 	var fuzzFiles []string
-	for _, d := range fuzz.corpus {
+	for _, d := range fuzz.fuzzPackagedModule.Corpus {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.corpusIntermediateDir.String())+":corpus/"+d.Base())
+			filepath.Dir(fuzz.fuzzPackagedModule.CorpusIntermediateDir.String())+":corpus/"+d.Base())
 	}
 
-	for _, d := range fuzz.data {
+	for _, d := range fuzz.fuzzPackagedModule.Data {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.dataIntermediateDir.String())+":data/"+d.Rel())
+			filepath.Dir(fuzz.fuzzPackagedModule.DataIntermediateDir.String())+":data/"+d.Rel())
 	}
 
-	if fuzz.dictionary != nil {
+	if fuzz.fuzzPackagedModule.Dictionary != nil {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.dictionary.String())+":"+fuzz.dictionary.Base())
+			filepath.Dir(fuzz.fuzzPackagedModule.Dictionary.String())+":"+fuzz.fuzzPackagedModule.Dictionary.Base())
 	}
 
-	if fuzz.config != nil {
+	if fuzz.fuzzPackagedModule.Config != nil {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.config.String())+":config.json")
+			filepath.Dir(fuzz.fuzzPackagedModule.Config.String())+":config.json")
 	}
 
 	entries.ExtraEntries = append(entries.ExtraEntries, func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
diff --git a/cc/cc.go b/cc/cc.go
index aeebaef..e3ca4d7 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -756,14 +756,13 @@
 // members of the cc.Module to this decorator. Thus, a cc_binary module has custom linker and
 // installer logic.
 type Module struct {
-	android.ModuleBase
-	android.DefaultableModuleBase
-	android.ApexModuleBase
+	FuzzModule
+
 	android.SdkBase
 	android.BazelModuleBase
 
-	Properties       BaseProperties
 	VendorProperties VendorProperties
+	Properties       BaseProperties
 
 	// initialize before calling Init
 	hod      android.HostOrDeviceSupported
diff --git a/cc/config/clang.go b/cc/config/clang.go
index 9cfe28f..53a7306 100644
--- a/cc/config/clang.go
+++ b/cc/config/clang.go
@@ -92,64 +92,6 @@
 	"readability-function-cognitive-complexity", // http://b/175055536
 }
 
-func init() {
-	exportStringListStaticVariable("ClangExtraCflags", []string{
-		"-D__compiler_offsetof=__builtin_offsetof",
-
-		// Emit address-significance table which allows linker to perform safe ICF. Clang does
-		// not emit the table by default on Android since NDK still uses GNU binutils.
-		"-faddrsig",
-
-		// Turn on -fcommon explicitly, since Clang now defaults to -fno-common. The cleanup bug
-		// tracking this is http://b/151457797.
-		"-fcommon",
-
-		// Help catch common 32/64-bit errors.
-		"-Werror=int-conversion",
-
-		// Enable the new pass manager.
-		"-fexperimental-new-pass-manager",
-
-		// Disable overly aggressive warning for macros defined with a leading underscore
-		// This happens in AndroidConfig.h, which is included nearly everywhere.
-		// TODO: can we remove this now?
-		"-Wno-reserved-id-macro",
-
-		// Workaround for ccache with clang.
-		// See http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html.
-		"-Wno-unused-command-line-argument",
-
-		// Force clang to always output color diagnostics. Ninja will strip the ANSI
-		// color codes if it is not running in a terminal.
-		"-fcolor-diagnostics",
-
-		// Warnings from clang-7.0
-		"-Wno-sign-compare",
-
-		// Warnings from clang-8.0
-		"-Wno-defaulted-function-deleted",
-
-		// Disable -Winconsistent-missing-override until we can clean up the existing
-		// codebase for it.
-		"-Wno-inconsistent-missing-override",
-
-		// Warnings from clang-10
-		// Nested and array designated initialization is nice to have.
-		"-Wno-c99-designator",
-
-		// Warnings from clang-12
-		"-Wno-gnu-folding-constant",
-
-		// Calls to the APIs that are newer than the min sdk version of the caller should be
-		// guarded with __builtin_available.
-		"-Wunguarded-availability",
-		// This macro allows the bionic versioning.h to indirectly determine whether the
-		// option -Wunguarded-availability is on or not.
-		"-D__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__",
-	})
-
-}
-
 func ClangFilterUnknownCflags(cflags []string) []string {
 	result, _ := android.FilterList(cflags, ClangUnknownCflags)
 	return result
diff --git a/cc/config/global.go b/cc/config/global.go
index bcee06a..dfbe6c4 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -55,6 +55,59 @@
 		"-Werror=pragma-pack-suspicious-include",
 		"-Werror=string-plus-int",
 		"-Werror=unreachable-code-loop-increment",
+
+		"-D__compiler_offsetof=__builtin_offsetof",
+
+		// Emit address-significance table which allows linker to perform safe ICF. Clang does
+		// not emit the table by default on Android since NDK still uses GNU binutils.
+		"-faddrsig",
+
+		// Turn on -fcommon explicitly, since Clang now defaults to -fno-common. The cleanup bug
+		// tracking this is http://b/151457797.
+		"-fcommon",
+
+		// Help catch common 32/64-bit errors.
+		"-Werror=int-conversion",
+
+		// Enable the new pass manager.
+		"-fexperimental-new-pass-manager",
+
+		// Disable overly aggressive warning for macros defined with a leading underscore
+		// This happens in AndroidConfig.h, which is included nearly everywhere.
+		// TODO: can we remove this now?
+		"-Wno-reserved-id-macro",
+
+		// Workaround for ccache with clang.
+		// See http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html.
+		"-Wno-unused-command-line-argument",
+
+		// Force clang to always output color diagnostics. Ninja will strip the ANSI
+		// color codes if it is not running in a terminal.
+		"-fcolor-diagnostics",
+
+		// Warnings from clang-7.0
+		"-Wno-sign-compare",
+
+		// Warnings from clang-8.0
+		"-Wno-defaulted-function-deleted",
+
+		// Disable -Winconsistent-missing-override until we can clean up the existing
+		// codebase for it.
+		"-Wno-inconsistent-missing-override",
+
+		// Warnings from clang-10
+		// Nested and array designated initialization is nice to have.
+		"-Wno-c99-designator",
+
+		// Warnings from clang-12
+		"-Wno-gnu-folding-constant",
+
+		// Calls to the APIs that are newer than the min sdk version of the caller should be
+		// guarded with __builtin_available.
+		"-Wunguarded-availability",
+		// This macro allows the bionic versioning.h to indirectly determine whether the
+		// option -Wunguarded-availability is on or not.
+		"-D__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__",
 	}
 
 	commonGlobalConlyflags = []string{}
@@ -246,7 +299,6 @@
 	bazelCommonGlobalCflags := append(
 		commonGlobalCflags,
 		[]string{
-			"${ClangExtraCflags}",
 			// Default to zero initialization.
 			"-ftrivial-auto-var-init=zero",
 			"-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang",
@@ -255,7 +307,6 @@
 
 	pctx.VariableFunc("CommonGlobalCflags", func(ctx android.PackageVarContext) string {
 		flags := commonGlobalCflags
-		flags = append(flags, "${ClangExtraCflags}")
 
 		// http://b/131390872
 		// Automatically initialize any uninitialized stack variables.
diff --git a/cc/fuzz.go b/cc/fuzz.go
index c780b6f..8b0f93e 100644
--- a/cc/fuzz.go
+++ b/cc/fuzz.go
@@ -94,19 +94,14 @@
 	*binaryDecorator
 	*baseCompiler
 
-	Properties            FuzzProperties
-	dictionary            android.Path
-	corpus                android.Paths
-	corpusIntermediateDir android.Path
-	config                android.Path
-	data                  android.Paths
-	dataIntermediateDir   android.Path
-	installedSharedDeps   []string
+	fuzzPackagedModule FuzzPackagedModule
+
+	installedSharedDeps []string
 }
 
 func (fuzz *fuzzBinary) linkerProps() []interface{} {
 	props := fuzz.binaryDecorator.linkerProps()
-	props = append(props, &fuzz.Properties)
+	props = append(props, &fuzz.fuzzPackagedModule.FuzzProperties)
 	return props
 }
 
@@ -257,41 +252,41 @@
 		"fuzz", ctx.Target().Arch.ArchType.String(), ctx.ModuleName())
 	fuzz.binaryDecorator.baseInstaller.install(ctx, file)
 
-	fuzz.corpus = android.PathsForModuleSrc(ctx, fuzz.Properties.Corpus)
+	fuzz.fuzzPackagedModule.Corpus = android.PathsForModuleSrc(ctx, fuzz.fuzzPackagedModule.FuzzProperties.Corpus)
 	builder := android.NewRuleBuilder(pctx, ctx)
 	intermediateDir := android.PathForModuleOut(ctx, "corpus")
-	for _, entry := range fuzz.corpus {
+	for _, entry := range fuzz.fuzzPackagedModule.Corpus {
 		builder.Command().Text("cp").
 			Input(entry).
 			Output(intermediateDir.Join(ctx, entry.Base()))
 	}
 	builder.Build("copy_corpus", "copy corpus")
-	fuzz.corpusIntermediateDir = intermediateDir
+	fuzz.fuzzPackagedModule.CorpusIntermediateDir = intermediateDir
 
-	fuzz.data = android.PathsForModuleSrc(ctx, fuzz.Properties.Data)
+	fuzz.fuzzPackagedModule.Data = android.PathsForModuleSrc(ctx, fuzz.fuzzPackagedModule.FuzzProperties.Data)
 	builder = android.NewRuleBuilder(pctx, ctx)
 	intermediateDir = android.PathForModuleOut(ctx, "data")
-	for _, entry := range fuzz.data {
+	for _, entry := range fuzz.fuzzPackagedModule.Data {
 		builder.Command().Text("cp").
 			Input(entry).
 			Output(intermediateDir.Join(ctx, entry.Rel()))
 	}
 	builder.Build("copy_data", "copy data")
-	fuzz.dataIntermediateDir = intermediateDir
+	fuzz.fuzzPackagedModule.DataIntermediateDir = intermediateDir
 
-	if fuzz.Properties.Dictionary != nil {
-		fuzz.dictionary = android.PathForModuleSrc(ctx, *fuzz.Properties.Dictionary)
-		if fuzz.dictionary.Ext() != ".dict" {
+	if fuzz.fuzzPackagedModule.FuzzProperties.Dictionary != nil {
+		fuzz.fuzzPackagedModule.Dictionary = android.PathForModuleSrc(ctx, *fuzz.fuzzPackagedModule.FuzzProperties.Dictionary)
+		if fuzz.fuzzPackagedModule.Dictionary.Ext() != ".dict" {
 			ctx.PropertyErrorf("dictionary",
 				"Fuzzer dictionary %q does not have '.dict' extension",
-				fuzz.dictionary.String())
+				fuzz.fuzzPackagedModule.Dictionary.String())
 		}
 	}
 
-	if fuzz.Properties.Fuzz_config != nil {
+	if fuzz.fuzzPackagedModule.FuzzProperties.Fuzz_config != nil {
 		configPath := android.PathForModuleOut(ctx, "config").Join(ctx, "config.json")
-		android.WriteFileRule(ctx, configPath, fuzz.Properties.Fuzz_config.String())
-		fuzz.config = configPath
+		android.WriteFileRule(ctx, configPath, fuzz.fuzzPackagedModule.FuzzProperties.Fuzz_config.String())
+		fuzz.fuzzPackagedModule.Config = configPath
 	}
 
 	// Grab the list of required shared libraries.
@@ -359,32 +354,20 @@
 
 // Responsible for generating GNU Make rules that package fuzz targets into
 // their architecture & target/host specific zip file.
-type fuzzPackager struct {
-	packages                android.Paths
+type ccFuzzPackager struct {
+	FuzzPackager
 	sharedLibInstallStrings []string
-	fuzzTargets             map[string]bool
 }
 
 func fuzzPackagingFactory() android.Singleton {
-	return &fuzzPackager{}
+	return &ccFuzzPackager{}
 }
 
-type fileToZip struct {
-	SourceFilePath        android.Path
-	DestinationPathPrefix string
-}
-
-type archOs struct {
-	hostOrTarget string
-	arch         string
-	dir          string
-}
-
-func (s *fuzzPackager) GenerateBuildActions(ctx android.SingletonContext) {
+func (s *ccFuzzPackager) GenerateBuildActions(ctx android.SingletonContext) {
 	// Map between each architecture + host/device combination, and the files that
 	// need to be packaged (in the tuple of {source file, destination folder in
 	// archive}).
-	archDirs := make(map[archOs][]fileToZip)
+	archDirs := make(map[ArchOs][]FileToZip)
 
 	// Map tracking whether each shared library has an install rule to avoid duplicate install rules from
 	// multiple fuzzers that depend on the same shared library.
@@ -392,12 +375,16 @@
 
 	// List of individual fuzz targets, so that 'make fuzz' also installs the targets
 	// to the correct output directories as well.
-	s.fuzzTargets = make(map[string]bool)
+	s.FuzzTargets = make(map[string]bool)
 
 	ctx.VisitAllModules(func(module android.Module) {
-		// Discard non-fuzz targets.
 		ccModule, ok := module.(*Module)
-		if !ok {
+		if !ok || ccModule.Properties.PreventInstall {
+			return
+		}
+
+		// Discard non-fuzz targets.
+		if ok := IsValid(ccModule.FuzzModule); !ok {
 			return
 		}
 
@@ -406,18 +393,6 @@
 			return
 		}
 
-		// Discard ramdisk + vendor_ramdisk + recovery modules, they're duplicates of
-		// fuzz targets we're going to package anyway.
-		if !ccModule.Enabled() || ccModule.Properties.PreventInstall ||
-			ccModule.InRamdisk() || ccModule.InVendorRamdisk() || ccModule.InRecovery() {
-			return
-		}
-
-		// Discard modules that are in an unavailable namespace.
-		if !ccModule.ExportedToMake() {
-			return
-		}
-
 		hostOrTargetString := "target"
 		if ccModule.Host() {
 			hostOrTargetString = "host"
@@ -425,42 +400,21 @@
 
 		archString := ccModule.Arch().ArchType.String()
 		archDir := android.PathForIntermediates(ctx, "fuzz", hostOrTargetString, archString)
-		archOs := archOs{hostOrTarget: hostOrTargetString, arch: archString, dir: archDir.String()}
+		archOs := ArchOs{HostOrTarget: hostOrTargetString, Arch: archString, Dir: archDir.String()}
 
 		// Grab the list of required shared libraries.
 		sharedLibraries := collectAllSharedDependencies(ctx, module)
 
-		var files []fileToZip
+		var files []FileToZip
 		builder := android.NewRuleBuilder(pctx, ctx)
 
-		// Package the corpora into a zipfile.
-		if fuzzModule.corpus != nil {
-			corpusZip := archDir.Join(ctx, module.Name()+"_seed_corpus.zip")
-			command := builder.Command().BuiltTool("soong_zip").
-				Flag("-j").
-				FlagWithOutput("-o ", corpusZip)
-			rspFile := corpusZip.ReplaceExtension(ctx, "rsp")
-			command.FlagWithRspFileInputList("-r ", rspFile, fuzzModule.corpus)
-			files = append(files, fileToZip{corpusZip, ""})
-		}
-
-		// Package the data into a zipfile.
-		if fuzzModule.data != nil {
-			dataZip := archDir.Join(ctx, module.Name()+"_data.zip")
-			command := builder.Command().BuiltTool("soong_zip").
-				FlagWithOutput("-o ", dataZip)
-			for _, f := range fuzzModule.data {
-				intermediateDir := strings.TrimSuffix(f.String(), f.Rel())
-				command.FlagWithArg("-C ", intermediateDir)
-				command.FlagWithInput("-f ", f)
-			}
-			files = append(files, fileToZip{dataZip, ""})
-		}
+		// Package the corpus, data, dict and config into a zipfile.
+		files = s.PackageArtifacts(ctx, module, fuzzModule.fuzzPackagedModule, archDir, builder)
 
 		// Find and mark all the transiently-dependent shared libraries for
 		// packaging.
 		for _, library := range sharedLibraries {
-			files = append(files, fileToZip{library, "lib"})
+			files = append(files, FileToZip{library, "lib"})
 
 			// For each architecture-specific shared library dependency, we need to
 			// install it to the output directory. Setup the install destination here,
@@ -492,83 +446,20 @@
 		}
 
 		// The executable.
-		files = append(files, fileToZip{ccModule.UnstrippedOutputFile(), ""})
+		files = append(files, FileToZip{ccModule.UnstrippedOutputFile(), ""})
 
-		// The dictionary.
-		if fuzzModule.dictionary != nil {
-			files = append(files, fileToZip{fuzzModule.dictionary, ""})
+		archDirs[archOs], ok = s.BuildZipFile(ctx, module, fuzzModule.fuzzPackagedModule, files, builder, archDir, archString, hostOrTargetString, archOs, archDirs)
+		if !ok {
+			return
 		}
-
-		// Additional fuzz config.
-		if fuzzModule.config != nil {
-			files = append(files, fileToZip{fuzzModule.config, ""})
-		}
-
-		fuzzZip := archDir.Join(ctx, module.Name()+".zip")
-		command := builder.Command().BuiltTool("soong_zip").
-			Flag("-j").
-			FlagWithOutput("-o ", fuzzZip)
-		for _, file := range files {
-			if file.DestinationPathPrefix != "" {
-				command.FlagWithArg("-P ", file.DestinationPathPrefix)
-			} else {
-				command.Flag("-P ''")
-			}
-			command.FlagWithInput("-f ", file.SourceFilePath)
-		}
-
-		builder.Build("create-"+fuzzZip.String(),
-			"Package "+module.Name()+" for "+archString+"-"+hostOrTargetString)
-
-		// Don't add modules to 'make haiku' that are set to not be exported to the
-		// fuzzing infrastructure.
-		if config := fuzzModule.Properties.Fuzz_config; config != nil {
-			if ccModule.Host() && !BoolDefault(config.Fuzz_on_haiku_host, true) {
-				return
-			} else if !BoolDefault(config.Fuzz_on_haiku_device, true) {
-				return
-			}
-		}
-
-		s.fuzzTargets[module.Name()] = true
-		archDirs[archOs] = append(archDirs[archOs], fileToZip{fuzzZip, ""})
 	})
 
-	var archOsList []archOs
-	for archOs := range archDirs {
-		archOsList = append(archOsList, archOs)
-	}
-	sort.Slice(archOsList, func(i, j int) bool { return archOsList[i].dir < archOsList[j].dir })
+	s.CreateFuzzPackage(ctx, archDirs, Cc)
 
-	for _, archOs := range archOsList {
-		filesToZip := archDirs[archOs]
-		arch := archOs.arch
-		hostOrTarget := archOs.hostOrTarget
-		builder := android.NewRuleBuilder(pctx, ctx)
-		outputFile := android.PathForOutput(ctx, "fuzz-"+hostOrTarget+"-"+arch+".zip")
-		s.packages = append(s.packages, outputFile)
-
-		command := builder.Command().BuiltTool("soong_zip").
-			Flag("-j").
-			FlagWithOutput("-o ", outputFile).
-			Flag("-L 0") // No need to try and re-compress the zipfiles.
-
-		for _, fileToZip := range filesToZip {
-			if fileToZip.DestinationPathPrefix != "" {
-				command.FlagWithArg("-P ", fileToZip.DestinationPathPrefix)
-			} else {
-				command.Flag("-P ''")
-			}
-			command.FlagWithInput("-f ", fileToZip.SourceFilePath)
-		}
-
-		builder.Build("create-fuzz-package-"+arch+"-"+hostOrTarget,
-			"Create fuzz target packages for "+arch+"-"+hostOrTarget)
-	}
 }
 
-func (s *fuzzPackager) MakeVars(ctx android.MakeVarsContext) {
-	packages := s.packages.Strings()
+func (s *ccFuzzPackager) MakeVars(ctx android.MakeVarsContext) {
+	packages := s.Packages.Strings()
 	sort.Strings(packages)
 	sort.Strings(s.sharedLibInstallStrings)
 	// TODO(mitchp): Migrate this to use MakeVarsContext::DistForGoal() when it's
@@ -580,10 +471,5 @@
 		strings.Join(s.sharedLibInstallStrings, " "))
 
 	// Preallocate the slice of fuzz targets to minimise memory allocations.
-	fuzzTargets := make([]string, 0, len(s.fuzzTargets))
-	for target, _ := range s.fuzzTargets {
-		fuzzTargets = append(fuzzTargets, target)
-	}
-	sort.Strings(fuzzTargets)
-	ctx.Strict("ALL_FUZZ_TARGETS", strings.Join(fuzzTargets, " "))
+	s.PreallocateSlice(ctx, "ALL_FUZZ_TARGETS")
 }
diff --git a/cc/fuzz_common.go b/cc/fuzz_common.go
new file mode 100644
index 0000000..98ed7f4
--- /dev/null
+++ b/cc/fuzz_common.go
@@ -0,0 +1,201 @@
+// Copyright 2021 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
+
+// This file contains the common code for compiling C/C++ and Rust fuzzers for Android.
+
+import (
+	"sort"
+	"strings"
+
+	"android/soong/android"
+)
+
+type Lang string
+
+const (
+	Cc   Lang = ""
+	Rust Lang = "rust"
+)
+
+type FuzzModule struct {
+	android.ModuleBase
+	android.DefaultableModuleBase
+	android.ApexModuleBase
+}
+
+type FuzzPackager struct {
+	Packages    android.Paths
+	FuzzTargets map[string]bool
+}
+
+type FileToZip struct {
+	SourceFilePath        android.Path
+	DestinationPathPrefix string
+}
+
+type ArchOs struct {
+	HostOrTarget string
+	Arch         string
+	Dir          string
+}
+
+type FuzzPackagedModule struct {
+	FuzzProperties        FuzzProperties
+	Dictionary            android.Path
+	Corpus                android.Paths
+	CorpusIntermediateDir android.Path
+	Config                android.Path
+	Data                  android.Paths
+	DataIntermediateDir   android.Path
+}
+
+func IsValid(fuzzModule FuzzModule) bool {
+	// Discard ramdisk + vendor_ramdisk + recovery modules, they're duplicates of
+	// fuzz targets we're going to package anyway.
+	if !fuzzModule.Enabled() || fuzzModule.InRamdisk() || fuzzModule.InVendorRamdisk() || fuzzModule.InRecovery() {
+		return false
+	}
+
+	// Discard modules that are in an unavailable namespace.
+	if !fuzzModule.ExportedToMake() {
+		return false
+	}
+
+	return true
+}
+
+func (s *FuzzPackager) PackageArtifacts(ctx android.SingletonContext, module android.Module, fuzzModule FuzzPackagedModule, archDir android.OutputPath, builder *android.RuleBuilder) []FileToZip {
+	// Package the corpora into a zipfile.
+	var files []FileToZip
+	if fuzzModule.Corpus != nil {
+		corpusZip := archDir.Join(ctx, module.Name()+"_seed_corpus.zip")
+		command := builder.Command().BuiltTool("soong_zip").
+			Flag("-j").
+			FlagWithOutput("-o ", corpusZip)
+		rspFile := corpusZip.ReplaceExtension(ctx, "rsp")
+		command.FlagWithRspFileInputList("-r ", rspFile, fuzzModule.Corpus)
+		files = append(files, FileToZip{corpusZip, ""})
+	}
+
+	// Package the data into a zipfile.
+	if fuzzModule.Data != nil {
+		dataZip := archDir.Join(ctx, module.Name()+"_data.zip")
+		command := builder.Command().BuiltTool("soong_zip").
+			FlagWithOutput("-o ", dataZip)
+		for _, f := range fuzzModule.Data {
+			intermediateDir := strings.TrimSuffix(f.String(), f.Rel())
+			command.FlagWithArg("-C ", intermediateDir)
+			command.FlagWithInput("-f ", f)
+		}
+		files = append(files, FileToZip{dataZip, ""})
+	}
+
+	// The dictionary.
+	if fuzzModule.Dictionary != nil {
+		files = append(files, FileToZip{fuzzModule.Dictionary, ""})
+	}
+
+	// Additional fuzz config.
+	if fuzzModule.Config != nil {
+		files = append(files, FileToZip{fuzzModule.Config, ""})
+	}
+
+	return files
+}
+
+func (s *FuzzPackager) BuildZipFile(ctx android.SingletonContext, module android.Module, fuzzModule FuzzPackagedModule, files []FileToZip, builder *android.RuleBuilder, archDir android.OutputPath, archString string, hostOrTargetString string, archOs ArchOs, archDirs map[ArchOs][]FileToZip) ([]FileToZip, bool) {
+	fuzzZip := archDir.Join(ctx, module.Name()+".zip")
+
+	command := builder.Command().BuiltTool("soong_zip").
+		Flag("-j").
+		FlagWithOutput("-o ", fuzzZip)
+
+	for _, file := range files {
+		if file.DestinationPathPrefix != "" {
+			command.FlagWithArg("-P ", file.DestinationPathPrefix)
+		} else {
+			command.Flag("-P ''")
+		}
+		command.FlagWithInput("-f ", file.SourceFilePath)
+	}
+
+	builder.Build("create-"+fuzzZip.String(),
+		"Package "+module.Name()+" for "+archString+"-"+hostOrTargetString)
+
+	// Don't add modules to 'make haiku-rust' that are set to not be
+	// exported to the fuzzing infrastructure.
+	if config := fuzzModule.FuzzProperties.Fuzz_config; config != nil {
+		if strings.Contains(hostOrTargetString, "host") && !BoolDefault(config.Fuzz_on_haiku_host, true) {
+			return archDirs[archOs], false
+		} else if !BoolDefault(config.Fuzz_on_haiku_device, true) {
+			return archDirs[archOs], false
+		}
+	}
+
+	s.FuzzTargets[module.Name()] = true
+	archDirs[archOs] = append(archDirs[archOs], FileToZip{fuzzZip, ""})
+
+	return archDirs[archOs], true
+}
+
+func (s *FuzzPackager) CreateFuzzPackage(ctx android.SingletonContext, archDirs map[ArchOs][]FileToZip, lang Lang) {
+	var archOsList []ArchOs
+	for archOs := range archDirs {
+		archOsList = append(archOsList, archOs)
+	}
+	sort.Slice(archOsList, func(i, j int) bool { return archOsList[i].Dir < archOsList[j].Dir })
+
+	for _, archOs := range archOsList {
+		filesToZip := archDirs[archOs]
+		arch := archOs.Arch
+		hostOrTarget := archOs.HostOrTarget
+		builder := android.NewRuleBuilder(pctx, ctx)
+		zipFileName := "fuzz-" + hostOrTarget + "-" + arch + ".zip"
+		if lang == Rust {
+			zipFileName = "fuzz-rust-" + hostOrTarget + "-" + arch + ".zip"
+		}
+		outputFile := android.PathForOutput(ctx, zipFileName)
+
+		s.Packages = append(s.Packages, outputFile)
+
+		command := builder.Command().BuiltTool("soong_zip").
+			Flag("-j").
+			FlagWithOutput("-o ", outputFile).
+			Flag("-L 0") // No need to try and re-compress the zipfiles.
+
+		for _, fileToZip := range filesToZip {
+
+			if fileToZip.DestinationPathPrefix != "" {
+				command.FlagWithArg("-P ", fileToZip.DestinationPathPrefix)
+			} else {
+				command.Flag("-P ''")
+			}
+			command.FlagWithInput("-f ", fileToZip.SourceFilePath)
+
+		}
+		builder.Build("create-fuzz-package-"+arch+"-"+hostOrTarget,
+			"Create fuzz target packages for "+arch+"-"+hostOrTarget)
+	}
+}
+
+func (s *FuzzPackager) PreallocateSlice(ctx android.MakeVarsContext, targets string) {
+	fuzzTargets := make([]string, 0, len(s.FuzzTargets))
+	for target, _ := range s.FuzzTargets {
+		fuzzTargets = append(fuzzTargets, target)
+	}
+	sort.Strings(fuzzTargets)
+	ctx.Strict(targets, strings.Join(fuzzTargets, " "))
+}
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index bdf0dae..1ce9911 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -579,25 +579,9 @@
 	// Create hidden API input structure.
 	input := b.createHiddenAPIFlagInput(ctx, contents, fragments)
 
-	var output *HiddenAPIOutput
-
-	// Hidden API processing is conditional as a temporary workaround as not all
-	// bootclasspath_fragments provide the appropriate information needed for hidden API processing
-	// which leads to breakages of the build.
-	// TODO(b/179354495): Stop hidden API processing being conditional once all bootclasspath_fragment
-	//  modules have been updated to support it.
-	if input.canPerformHiddenAPIProcessing(ctx, b.properties) {
-		// Delegate the production of the hidden API all-flags.csv file to a module type specific method.
-		common := ctx.Module().(commonBootclasspathFragment)
-		output = common.produceHiddenAPIOutput(ctx, contents, input)
-	} else {
-		// As hidden API processing cannot be performed fall back to trying to retrieve the legacy
-		// encoded boot dex files, i.e. those files encoded by the individual libraries and returned
-		// from the DexJarBuildPath() method.
-		output = &HiddenAPIOutput{
-			EncodedBootDexFilesByModule: retrieveLegacyEncodedBootDexFiles(ctx, contents),
-		}
-	}
+	// Delegate the production of the hidden API all-flags.csv file to a module type specific method.
+	common := ctx.Module().(commonBootclasspathFragment)
+	output := common.produceHiddenAPIOutput(ctx, contents, input)
 
 	// Initialize a HiddenAPIInfo structure.
 	hiddenAPIInfo := HiddenAPIInfo{
@@ -615,7 +599,7 @@
 
 	// The monolithic hidden API processing also needs access to all the output files produced by
 	// hidden API processing of this fragment.
-	hiddenAPIInfo.HiddenAPIFlagOutput = (*output).HiddenAPIFlagOutput
+	hiddenAPIInfo.HiddenAPIFlagOutput = output.HiddenAPIFlagOutput
 
 	//  Provide it for use by other modules.
 	ctx.SetProvider(HiddenAPIInfoProvider, hiddenAPIInfo)
@@ -912,10 +896,10 @@
 
 // produceHiddenAPIOutput returns a path to the prebuilt all-flags.csv or nil if none is specified.
 func (module *prebuiltBootclasspathFragmentModule) produceHiddenAPIOutput(ctx android.ModuleContext, contents []android.Module, input HiddenAPIFlagInput) *HiddenAPIOutput {
-	pathForOptionalSrc := func(src *string) android.Path {
+	pathForSrc := func(property string, src *string) android.Path {
 		if src == nil {
-			// TODO(b/179354495): Fail if this is not provided once prebuilts have been updated.
-			return nil
+			ctx.PropertyErrorf(property, "is required but was not specified")
+			return android.PathForModuleSrc(ctx, "missing", property)
 		}
 		return android.PathForModuleSrc(ctx, *src)
 	}
@@ -926,11 +910,11 @@
 
 	output := HiddenAPIOutput{
 		HiddenAPIFlagOutput: HiddenAPIFlagOutput{
-			StubFlagsPath:       pathForOptionalSrc(module.prebuiltProperties.Hidden_api.Stub_flags),
-			AnnotationFlagsPath: pathForOptionalSrc(module.prebuiltProperties.Hidden_api.Annotation_flags),
-			MetadataPath:        pathForOptionalSrc(module.prebuiltProperties.Hidden_api.Metadata),
-			IndexPath:           pathForOptionalSrc(module.prebuiltProperties.Hidden_api.Index),
-			AllFlagsPath:        pathForOptionalSrc(module.prebuiltProperties.Hidden_api.All_flags),
+			AnnotationFlagsPath: pathForSrc("hidden_api.annotation_flags", module.prebuiltProperties.Hidden_api.Annotation_flags),
+			MetadataPath:        pathForSrc("hidden_api.metadata", module.prebuiltProperties.Hidden_api.Metadata),
+			IndexPath:           pathForSrc("hidden_api.index", module.prebuiltProperties.Hidden_api.Index),
+			StubFlagsPath:       pathForSrc("hidden_api.stub_flags", module.prebuiltProperties.Hidden_api.Stub_flags),
+			AllFlagsPath:        pathForSrc("hidden_api.all_flags", module.prebuiltProperties.Hidden_api.All_flags),
 		},
 		EncodedBootDexFilesByModule: encodedBootDexJarsByModule,
 	}
diff --git a/java/hiddenapi_modular.go b/java/hiddenapi_modular.go
index c4832d2..654ebb7 100644
--- a/java/hiddenapi_modular.go
+++ b/java/hiddenapi_modular.go
@@ -20,7 +20,6 @@
 
 	"android/soong/android"
 	"github.com/google/blueprint"
-	"github.com/google/blueprint/proptools"
 )
 
 // Contains support for processing hiddenAPI in a modular fashion.
@@ -712,42 +711,6 @@
 	return input
 }
 
-// canPerformHiddenAPIProcessing determines whether hidden API processing should be performed.
-//
-// A temporary workaround to avoid existing bootclasspath_fragments that do not provide the
-// appropriate information needed for hidden API processing breaking the build.
-// TODO(b/179354495): Remove this workaround.
-func (i *HiddenAPIFlagInput) canPerformHiddenAPIProcessing(ctx android.ModuleContext, properties bootclasspathFragmentProperties) bool {
-	// Performing hidden API processing without stubs is not supported and it is unlikely to ever be
-	// required as the whole point of adding something to the bootclasspath fragment is to add it to
-	// the bootclasspath in order to be used by something else in the system. Without any stubs it
-	// cannot do that.
-	if len(i.StubDexJarsByScope) == 0 {
-		return false
-	}
-
-	// Hidden API processing is always enabled in tests.
-	if ctx.Config().TestProductVariables != nil {
-		return true
-	}
-
-	// A module that has fragments should have access to the information it needs in order to perform
-	// hidden API processing.
-	if len(properties.Fragments) != 0 {
-		return true
-	}
-
-	// The art bootclasspath fragment does not depend on any other fragments but already supports
-	// hidden API processing.
-	imageName := proptools.String(properties.Image_name)
-	if imageName == "art" {
-		return true
-	}
-
-	// Disable it for everything else.
-	return false
-}
-
 // gatherStubLibInfo gathers information from the stub libs needed by hidden API processing from the
 // dependencies added in hiddenAPIAddStubLibDependencies.
 //
diff --git a/java/java.go b/java/java.go
index 83e9fe1..e38a714 100644
--- a/java/java.go
+++ b/java/java.go
@@ -130,11 +130,19 @@
 			PropertyName: "java_boot_libs",
 			SupportsSdk:  true,
 		},
-		// Temporarily export implementation classes jar for java_boot_libs as it is required for the
-		// hiddenapi processing.
-		// TODO(b/179354495): Revert once hiddenapi processing has been modularized.
-		exportImplementationClassesJar,
-		sdkSnapshotFilePathForJar,
+		func(ctx android.SdkMemberContext, j *Library) android.Path {
+			// Java boot libs are only provided in the SDK to provide access to their dex implementation
+			// jar for use by dexpreopting and boot jars package check. They do not need to provide an
+			// actual implementation jar but the java_import will need a file that exists so just copy an
+			// empty file. Any attempt to use that file as a jar will cause a build error.
+			return ctx.SnapshotBuilder().EmptyFile()
+		},
+		func(osPrefix, name string) string {
+			// Create a special name for the implementation jar to try and provide some useful information
+			// to a developer that attempts to compile against this.
+			// TODO(b/175714559): Provide a proper error message in Soong not ninja.
+			return filepath.Join(osPrefix, "java_boot_libs", "snapshot", "jars", "are", "invalid", name+jarFileSuffix)
+		},
 		onlyCopyJarToSnapshot,
 	}
 
diff --git a/java/sdk_library.go b/java/sdk_library.go
index d1b4a47..268e797 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -981,13 +981,15 @@
 }
 
 // to satisfy SdkLibraryComponentDependency
-func (e *EmbeddableSdkLibraryComponent) OptionalImplicitSdkLibrary() *string {
-	return e.sdkLibraryComponentProperties.SdkLibraryToImplicitlyTrack
-}
-
-// to satisfy SdkLibraryComponentDependency
 func (e *EmbeddableSdkLibraryComponent) OptionalSdkLibraryImplementation() *string {
-	// Currently implementation library name is the same as the SDK library name.
+	// For shared libraries, this is the same as the SDK library name. If a Java library or app
+	// depends on a component library (e.g. a stub library) it still needs to know the name of the
+	// run-time library and the corresponding module that provides the implementation. This name is
+	// passed to manifest_fixer (to be added to AndroidManifest.xml) and added to CLC (to be used
+	// in dexpreopt).
+	//
+	// For non-shared SDK (component or not) libraries this returns `nil`, as they are not
+	// <uses-library> and should not be added to the manifest or to CLC.
 	return e.sdkLibraryComponentProperties.SdkLibraryToImplicitlyTrack
 }
 
@@ -999,12 +1001,6 @@
 	// SdkLibraryName returns the name of the java_sdk_library/_import module.
 	SdkLibraryName() *string
 
-	// The optional name of the sdk library that should be implicitly added to the
-	// AndroidManifest of an app that contains code which references the sdk library.
-	//
-	// Returns the name of the optional implicit SDK library or nil, if there isn't one.
-	OptionalImplicitSdkLibrary() *string
-
 	// The name of the implementation library for the optional SDK library or nil, if there isn't one.
 	OptionalSdkLibraryImplementation() *string
 }
diff --git a/rust/androidmk.go b/rust/androidmk.go
index ea45ebd..630805a 100644
--- a/rust/androidmk.go
+++ b/rust/androidmk.go
@@ -205,24 +205,24 @@
 	ctx.SubAndroidMk(entries, fuzz.binaryDecorator)
 
 	var fuzzFiles []string
-	for _, d := range fuzz.corpus {
+	for _, d := range fuzz.fuzzPackagedModule.Corpus {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.corpusIntermediateDir.String())+":corpus/"+d.Base())
+			filepath.Dir(fuzz.fuzzPackagedModule.CorpusIntermediateDir.String())+":corpus/"+d.Base())
 	}
 
-	for _, d := range fuzz.data {
+	for _, d := range fuzz.fuzzPackagedModule.Data {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.dataIntermediateDir.String())+":data/"+d.Rel())
+			filepath.Dir(fuzz.fuzzPackagedModule.DataIntermediateDir.String())+":data/"+d.Rel())
 	}
 
-	if fuzz.dictionary != nil {
+	if fuzz.fuzzPackagedModule.Dictionary != nil {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.dictionary.String())+":"+fuzz.dictionary.Base())
+			filepath.Dir(fuzz.fuzzPackagedModule.Dictionary.String())+":"+fuzz.fuzzPackagedModule.Dictionary.Base())
 	}
 
-	if fuzz.config != nil {
+	if fuzz.fuzzPackagedModule.Config != nil {
 		fuzzFiles = append(fuzzFiles,
-			filepath.Dir(fuzz.config.String())+":config.json")
+			filepath.Dir(fuzz.fuzzPackagedModule.Config.String())+":config.json")
 	}
 
 	entries.ExtraEntries = append(entries.ExtraEntries, func(ctx android.AndroidMkExtraEntriesContext,
diff --git a/rust/fuzz.go b/rust/fuzz.go
index 7e1c55a..18b2513 100644
--- a/rust/fuzz.go
+++ b/rust/fuzz.go
@@ -32,13 +32,7 @@
 type fuzzDecorator struct {
 	*binaryDecorator
 
-	Properties            cc.FuzzProperties
-	dictionary            android.Path
-	corpus                android.Paths
-	corpusIntermediateDir android.Path
-	config                android.Path
-	data                  android.Paths
-	dataIntermediateDir   android.Path
+	fuzzPackagedModule cc.FuzzPackagedModule
 }
 
 var _ compiler = (*binaryDecorator)(nil)
@@ -88,7 +82,7 @@
 
 func (fuzzer *fuzzDecorator) compilerProps() []interface{} {
 	return append(fuzzer.binaryDecorator.compilerProps(),
-		&fuzzer.Properties)
+		&fuzzer.fuzzPackagedModule.FuzzProperties)
 }
 
 func (fuzzer *fuzzDecorator) stdLinkage(ctx *depsContext) RustLinkage {
@@ -102,32 +96,19 @@
 // Responsible for generating GNU Make rules that package fuzz targets into
 // their architecture & target/host specific zip file.
 type rustFuzzPackager struct {
-	packages    android.Paths
-	fuzzTargets map[string]bool
+	cc.FuzzPackager
 }
 
 func rustFuzzPackagingFactory() android.Singleton {
 	return &rustFuzzPackager{}
 }
 
-type fileToZip struct {
-	SourceFilePath        android.Path
-	DestinationPathPrefix string
-}
-
-type archOs struct {
-	hostOrTarget string
-	arch         string
-	dir          string
-}
-
 func (s *rustFuzzPackager) GenerateBuildActions(ctx android.SingletonContext) {
-
 	// Map between each architecture + host/device combination.
-	archDirs := make(map[archOs][]fileToZip)
+	archDirs := make(map[cc.ArchOs][]cc.FileToZip)
 
 	// List of individual fuzz targets.
-	s.fuzzTargets = make(map[string]bool)
+	s.FuzzTargets = make(map[string]bool)
 
 	ctx.VisitAllModules(func(module android.Module) {
 		// Discard non-fuzz targets.
@@ -136,23 +117,15 @@
 			return
 		}
 
+		if ok := cc.IsValid(rustModule.FuzzModule); !ok || rustModule.Properties.PreventInstall {
+			return
+		}
+
 		fuzzModule, ok := rustModule.compiler.(*fuzzDecorator)
 		if !ok {
 			return
 		}
 
-		// Discard ramdisk + vendor_ramdisk + recovery modules, they're duplicates of
-		// fuzz targets we're going to package anyway.
-		if !rustModule.Enabled() || rustModule.Properties.PreventInstall ||
-			rustModule.InRamdisk() || rustModule.InVendorRamdisk() || rustModule.InRecovery() {
-			return
-		}
-
-		// Discard modules that are in an unavailable namespace.
-		if !rustModule.ExportedToMake() {
-			return
-		}
-
 		hostOrTargetString := "target"
 		if rustModule.Host() {
 			hostOrTargetString = "host"
@@ -160,126 +133,34 @@
 
 		archString := rustModule.Arch().ArchType.String()
 		archDir := android.PathForIntermediates(ctx, "fuzz", hostOrTargetString, archString)
-		archOs := archOs{hostOrTarget: hostOrTargetString, arch: archString, dir: archDir.String()}
+		archOs := cc.ArchOs{HostOrTarget: hostOrTargetString, Arch: archString, Dir: archDir.String()}
 
-		var files []fileToZip
+		var files []cc.FileToZip
 		builder := android.NewRuleBuilder(pctx, ctx)
 
-		// Package the corpora into a zipfile.
-		if fuzzModule.corpus != nil {
-			corpusZip := archDir.Join(ctx, module.Name()+"_seed_corpus.zip")
-			command := builder.Command().BuiltTool("soong_zip").
-				Flag("-j").
-				FlagWithOutput("-o ", corpusZip)
-			rspFile := corpusZip.ReplaceExtension(ctx, "rsp")
-			command.FlagWithRspFileInputList("-r ", rspFile, fuzzModule.corpus)
-			files = append(files, fileToZip{corpusZip, ""})
-		}
-
-		// Package the data into a zipfile.
-		if fuzzModule.data != nil {
-			dataZip := archDir.Join(ctx, module.Name()+"_data.zip")
-			command := builder.Command().BuiltTool("soong_zip").
-				FlagWithOutput("-o ", dataZip)
-			for _, f := range fuzzModule.data {
-				intermediateDir := strings.TrimSuffix(f.String(), f.Rel())
-				command.FlagWithArg("-C ", intermediateDir)
-				command.FlagWithInput("-f ", f)
-			}
-			files = append(files, fileToZip{dataZip, ""})
-		}
+		// Package the artifacts (data, corpus, config and dictionary into a zipfile.
+		files = s.PackageArtifacts(ctx, module, fuzzModule.fuzzPackagedModule, archDir, builder)
 
 		// The executable.
-		files = append(files, fileToZip{rustModule.unstrippedOutputFile.Path(), ""})
+		files = append(files, cc.FileToZip{rustModule.unstrippedOutputFile.Path(), ""})
 
-		// The dictionary.
-		if fuzzModule.dictionary != nil {
-			files = append(files, fileToZip{fuzzModule.dictionary, ""})
+		archDirs[archOs], ok = s.BuildZipFile(ctx, module, fuzzModule.fuzzPackagedModule, files, builder, archDir, archString, hostOrTargetString, archOs, archDirs)
+		if !ok {
+			return
 		}
 
-		// Additional fuzz config.
-		if fuzzModule.config != nil {
-			files = append(files, fileToZip{fuzzModule.config, ""})
-		}
-
-		fuzzZip := archDir.Join(ctx, module.Name()+".zip")
-
-		command := builder.Command().BuiltTool("soong_zip").
-			Flag("-j").
-			FlagWithOutput("-o ", fuzzZip)
-
-		for _, file := range files {
-			if file.DestinationPathPrefix != "" {
-				command.FlagWithArg("-P ", file.DestinationPathPrefix)
-			} else {
-				command.Flag("-P ''")
-			}
-			command.FlagWithInput("-f ", file.SourceFilePath)
-		}
-
-		builder.Build("create-"+fuzzZip.String(),
-			"Package "+module.Name()+" for "+archString+"-"+hostOrTargetString)
-
-		// Don't add modules to 'make haiku-rust' that are set to not be
-		// exported to the fuzzing infrastructure.
-		if config := fuzzModule.Properties.Fuzz_config; config != nil {
-			if rustModule.Host() && !BoolDefault(config.Fuzz_on_haiku_host, true) {
-				return
-			} else if !BoolDefault(config.Fuzz_on_haiku_device, true) {
-				return
-			}
-		}
-
-		s.fuzzTargets[module.Name()] = true
-		archDirs[archOs] = append(archDirs[archOs], fileToZip{fuzzZip, ""})
 	})
-
-	var archOsList []archOs
-	for archOs := range archDirs {
-		archOsList = append(archOsList, archOs)
-	}
-	sort.Slice(archOsList, func(i, j int) bool { return archOsList[i].dir < archOsList[j].dir })
-
-	for _, archOs := range archOsList {
-		filesToZip := archDirs[archOs]
-		arch := archOs.arch
-		hostOrTarget := archOs.hostOrTarget
-		builder := android.NewRuleBuilder(pctx, ctx)
-		outputFile := android.PathForOutput(ctx, "fuzz-rust-"+hostOrTarget+"-"+arch+".zip")
-		s.packages = append(s.packages, outputFile)
-
-		command := builder.Command().BuiltTool("soong_zip").
-			Flag("-j").
-			FlagWithOutput("-o ", outputFile).
-			Flag("-L 0") // No need to try and re-compress the zipfiles.
-
-		for _, fileToZip := range filesToZip {
-			if fileToZip.DestinationPathPrefix != "" {
-				command.FlagWithArg("-P ", fileToZip.DestinationPathPrefix)
-			} else {
-				command.Flag("-P ''")
-			}
-			command.FlagWithInput("-f ", fileToZip.SourceFilePath)
-		}
-		builder.Build("create-fuzz-package-"+arch+"-"+hostOrTarget,
-			"Create fuzz target packages for "+arch+"-"+hostOrTarget)
-	}
-
+	s.CreateFuzzPackage(ctx, archDirs, cc.Rust)
 }
 
 func (s *rustFuzzPackager) MakeVars(ctx android.MakeVarsContext) {
-	packages := s.packages.Strings()
+	packages := s.Packages.Strings()
 	sort.Strings(packages)
 
 	ctx.Strict("SOONG_RUST_FUZZ_PACKAGING_ARCH_MODULES", strings.Join(packages, " "))
 
-	// Preallocate the slice of fuzz targets to minimise memory allocations.
-	fuzzTargets := make([]string, 0, len(s.fuzzTargets))
-	for target, _ := range s.fuzzTargets {
-		fuzzTargets = append(fuzzTargets, target)
-	}
-	sort.Strings(fuzzTargets)
-	ctx.Strict("ALL_RUST_FUZZ_TARGETS", strings.Join(fuzzTargets, " "))
+	// Preallocate the slice of fuzz targets to minimize memory allocations.
+	s.PreallocateSlice(ctx, "ALL_RUST_FUZZ_TARGETS")
 }
 
 func (fuzz *fuzzDecorator) install(ctx ModuleContext) {
@@ -289,13 +170,13 @@
 		"fuzz", ctx.Target().Arch.ArchType.String(), ctx.ModuleName())
 	fuzz.binaryDecorator.baseCompiler.install(ctx)
 
-	if fuzz.Properties.Corpus != nil {
-		fuzz.corpus = android.PathsForModuleSrc(ctx, fuzz.Properties.Corpus)
+	if fuzz.fuzzPackagedModule.FuzzProperties.Corpus != nil {
+		fuzz.fuzzPackagedModule.Corpus = android.PathsForModuleSrc(ctx, fuzz.fuzzPackagedModule.FuzzProperties.Corpus)
 	}
-	if fuzz.Properties.Data != nil {
-		fuzz.data = android.PathsForModuleSrc(ctx, fuzz.Properties.Data)
+	if fuzz.fuzzPackagedModule.FuzzProperties.Data != nil {
+		fuzz.fuzzPackagedModule.Data = android.PathsForModuleSrc(ctx, fuzz.fuzzPackagedModule.FuzzProperties.Data)
 	}
-	if fuzz.Properties.Dictionary != nil {
-		fuzz.dictionary = android.PathForModuleSrc(ctx, *fuzz.Properties.Dictionary)
+	if fuzz.fuzzPackagedModule.FuzzProperties.Dictionary != nil {
+		fuzz.fuzzPackagedModule.Dictionary = android.PathForModuleSrc(ctx, *fuzz.fuzzPackagedModule.FuzzProperties.Dictionary)
 	}
 }
diff --git a/rust/library.go b/rust/library.go
index 747a29d..5a36bd1 100644
--- a/rust/library.go
+++ b/rust/library.go
@@ -431,6 +431,12 @@
 
 func (library *libraryDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
 	flags.RustFlags = append(flags.RustFlags, "-C metadata="+ctx.ModuleName())
+	if library.dylib() {
+		// We need to add a dependency on std in order to link crates as dylibs.
+		// The hack to add this dependency is guarded by the following cfg so
+		// that we don't force a dependency when it isn't needed.
+		library.baseCompiler.Properties.Cfgs = append(library.baseCompiler.Properties.Cfgs, "android_dylib")
+	}
 	flags = library.baseCompiler.compilerFlags(ctx, flags)
 	if library.shared() || library.static() {
 		library.includeDirs = append(library.includeDirs, android.PathsForModuleSrc(ctx, library.Properties.Include_dirs)...)
diff --git a/rust/library_test.go b/rust/library_test.go
index 54cd2a5..cb4ef7e 100644
--- a/rust/library_test.go
+++ b/rust/library_test.go
@@ -85,6 +85,22 @@
 	}
 }
 
+// Check that we are passing the android_dylib config flag
+func TestAndroidDylib(t *testing.T) {
+	ctx := testRust(t, `
+		rust_library_host_dylib {
+			name: "libfoo",
+			srcs: ["foo.rs"],
+			crate_name: "foo",
+		}`)
+
+	libfooDylib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_dylib").Output("libfoo.dylib.so")
+
+	if !strings.Contains(libfooDylib.Args["rustcFlags"], "--cfg 'android_dylib'") {
+		t.Errorf("missing android_dylib cfg flag for libfoo dylib, rustcFlags: %#v", libfooDylib.Args["rustcFlags"])
+	}
+}
+
 func TestValidateLibraryStem(t *testing.T) {
 	testRustError(t, "crate_name must be defined.", `
 			rust_library_host {
diff --git a/rust/rust.go b/rust/rust.go
index 38f1742..52b4094 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -119,9 +119,7 @@
 }
 
 type Module struct {
-	android.ModuleBase
-	android.DefaultableModuleBase
-	android.ApexModuleBase
+	cc.FuzzModule
 
 	VendorProperties cc.VendorProperties
 
diff --git a/scripts/hiddenapi/Android.bp b/scripts/hiddenapi/Android.bp
index 7472f52..c50dc24 100644
--- a/scripts/hiddenapi/Android.bp
+++ b/scripts/hiddenapi/Android.bp
@@ -48,6 +48,27 @@
     },
 }
 
+python_test_host {
+    name: "generate_hiddenapi_lists_test",
+    main: "generate_hiddenapi_lists_test.py",
+    srcs: [
+        "generate_hiddenapi_lists.py",
+        "generate_hiddenapi_lists_test.py",
+    ],
+    version: {
+        py2: {
+            enabled: false,
+        },
+        py3: {
+            enabled: true,
+            embedded_launcher: true,
+        },
+    },
+    test_options: {
+        unit_test: true,
+    },
+}
+
 python_binary_host {
     name: "verify_overlaps",
     main: "verify_overlaps.py",
diff --git a/scripts/hiddenapi/generate_hiddenapi_lists_test.py b/scripts/hiddenapi/generate_hiddenapi_lists_test.py
index ff3d708..b81424b 100755
--- a/scripts/hiddenapi/generate_hiddenapi_lists_test.py
+++ b/scripts/hiddenapi/generate_hiddenapi_lists_test.py
@@ -101,4 +101,4 @@
         self.assertEqual(extract_package(signature), expected_package)
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest.main(verbosity=2)
diff --git a/sdk/bootclasspath_fragment_sdk_test.go b/sdk/bootclasspath_fragment_sdk_test.go
index 1d2ab42..efd2b5b 100644
--- a/sdk/bootclasspath_fragment_sdk_test.go
+++ b/sdk/bootclasspath_fragment_sdk_test.go
@@ -133,6 +133,13 @@
     apex_available: ["com.android.art"],
     image_name: "art",
     contents: ["mybootlib"],
+    hidden_api: {
+        stub_flags: "hiddenapi/stub-flags.csv",
+        annotation_flags: "hiddenapi/annotation-flags.csv",
+        metadata: "hiddenapi/metadata.csv",
+        index: "hiddenapi/index.csv",
+        all_flags: "hiddenapi/all-flags.csv",
+    },
 }
 
 java_import {
@@ -140,7 +147,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["com.android.art"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
 }
 `),
 		checkVersionedAndroidBpContents(`
@@ -153,6 +160,13 @@
     apex_available: ["com.android.art"],
     image_name: "art",
     contents: ["mysdk_mybootlib@current"],
+    hidden_api: {
+        stub_flags: "hiddenapi/stub-flags.csv",
+        annotation_flags: "hiddenapi/annotation-flags.csv",
+        metadata: "hiddenapi/metadata.csv",
+        index: "hiddenapi/index.csv",
+        all_flags: "hiddenapi/all-flags.csv",
+    },
 }
 
 java_import {
@@ -160,7 +174,7 @@
     sdk_member_name: "mybootlib",
     visibility: ["//visibility:public"],
     apex_available: ["com.android.art"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
 }
 
 sdk_snapshot {
@@ -171,8 +185,13 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/mybootlib/android_common/javac/mybootlib.jar -> java/mybootlib.jar
-`),
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
+		`),
 		snapshotTestPreparer(checkSnapshotWithoutSource, preparerForSnapshot),
 
 		// Check the behavior of the snapshot without the source.
@@ -326,7 +345,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
     permitted_packages: ["mybootlib"],
 }
 
@@ -410,7 +429,7 @@
     sdk_member_name: "mybootlib",
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
     permitted_packages: ["mybootlib"],
 }
 
@@ -480,7 +499,7 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
-.intermediates/mybootlib/android_common/javac/mybootlib.jar -> java/mybootlib.jar
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
 .intermediates/myothersdklibrary.stubs/android_common/javac/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
 .intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
 .intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
@@ -832,7 +851,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["myapex"],
-    jars: ["java/mybootlib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar"],
     permitted_packages: ["mybootlib"],
 }
 
@@ -867,7 +886,7 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
-.intermediates/mybootlib/android_common/javac/mybootlib.jar -> java/mybootlib.jar
+.intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
 .intermediates/mysdklibrary.stubs/android_common/javac/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
 .intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
 .intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
diff --git a/sdk/java_sdk_test.go b/sdk/java_sdk_test.go
index 813dcfd..9efb3a4 100644
--- a/sdk/java_sdk_test.go
+++ b/sdk/java_sdk_test.go
@@ -453,7 +453,7 @@
     prefer: false,
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    jars: ["java/myjavalib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/myjavalib.jar"],
     permitted_packages: ["pkg.myjavalib"],
 }
 `),
@@ -465,7 +465,7 @@
     sdk_member_name: "myjavalib",
     visibility: ["//visibility:public"],
     apex_available: ["//apex_available:platform"],
-    jars: ["java/myjavalib.jar"],
+    jars: ["java_boot_libs/snapshot/jars/are/invalid/myjavalib.jar"],
     permitted_packages: ["pkg.myjavalib"],
 }
 
@@ -474,9 +474,10 @@
     visibility: ["//visibility:public"],
     java_boot_libs: ["myexports_myjavalib@current"],
 }
+
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib/android_common/withres/myjavalib.jar -> java/myjavalib.jar
+.intermediates/myexports/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/myjavalib.jar
 `),
 	)
 }
diff --git a/sdk/update.go b/sdk/update.go
index 6da3756..3ec1bfa 100644
--- a/sdk/update.go
+++ b/sdk/update.go
@@ -1029,6 +1029,9 @@
 	filesToZip  android.Paths
 	zipsToMerge android.Paths
 
+	// The path to an empty file.
+	emptyFile android.WritablePath
+
 	prebuiltModules map[string]*bpModule
 	prebuiltOrder   []*bpModule
 
@@ -1079,6 +1082,19 @@
 	s.zipsToMerge = append(s.zipsToMerge, tmpZipPath)
 }
 
+func (s *snapshotBuilder) EmptyFile() android.Path {
+	if s.emptyFile == nil {
+		ctx := s.ctx
+		s.emptyFile = android.PathForModuleOut(ctx, "empty")
+		s.ctx.Build(pctx, android.BuildParams{
+			Rule:   android.Touch,
+			Output: s.emptyFile,
+		})
+	}
+
+	return s.emptyFile
+}
+
 func (s *snapshotBuilder) AddPrebuiltModule(member android.SdkMember, moduleType string) android.BpModule {
 	name := member.Name()
 	if s.prebuiltModules[name] != nil {