Merge changes from topic "revert-2925209-KVPWEBRQHT" into main

* changes:
  Revert "Convert AFDO mutators to TransitionMutator"
  Revert "Remove fdoProfileMutator"
diff --git a/aconfig/codegen/cc_aconfig_library_test.go b/aconfig/codegen/cc_aconfig_library_test.go
index ef92cc8..05449bc 100644
--- a/aconfig/codegen/cc_aconfig_library_test.go
+++ b/aconfig/codegen/cc_aconfig_library_test.go
@@ -163,7 +163,6 @@
 	entry := android.AndroidMkEntriesForTest(t, result.TestContext, module)[0]
 
 	makeVar := entry.EntryMap["LOCAL_ACONFIG_FILES"]
-	android.AssertIntEquals(t, "len(LOCAL_ACONFIG_FILES)", 1, len(makeVar))
 	android.EnsureListContainsSuffix(t, makeVar, "my_aconfig_declarations_foo/intermediate.pb")
 }
 
diff --git a/aconfig/codegen/java_aconfig_library.go b/aconfig/codegen/java_aconfig_library.go
index e6817e0..4b8d346 100644
--- a/aconfig/codegen/java_aconfig_library.go
+++ b/aconfig/codegen/java_aconfig_library.go
@@ -102,6 +102,13 @@
 		},
 	})
 
+	// Mark our generated code as possibly needing jarjar repackaging
+	// TODO: Maybe control this with a property?
+	module.AddJarJarRenameRule(declarations.Package+".Flags", "")
+	module.AddJarJarRenameRule(declarations.Package+".FeatureFlags", "")
+	module.AddJarJarRenameRule(declarations.Package+".FeatureFlagsImpl", "")
+	module.AddJarJarRenameRule(declarations.Package+".FakeFeatureFlagsImpl", "")
+
 	return srcJarPath
 }
 
diff --git a/aconfig/codegen/java_aconfig_library_test.go b/aconfig/codegen/java_aconfig_library_test.go
index 7361d44..85d2675 100644
--- a/aconfig/codegen/java_aconfig_library_test.go
+++ b/aconfig/codegen/java_aconfig_library_test.go
@@ -60,7 +60,6 @@
 	entry := android.AndroidMkEntriesForTest(t, result.TestContext, module)[0]
 
 	makeVar := entry.EntryMap["LOCAL_ACONFIG_FILES"]
-	android.AssertIntEquals(t, "len(LOCAL_ACONFIG_FILES)", 1, len(makeVar))
 	android.EnsureListContainsSuffix(t, makeVar, "android_common/aconfig_merged.pb")
 }
 
diff --git a/android/Android.bp b/android/Android.bp
index 51c2145..e73f355 100644
--- a/android/Android.bp
+++ b/android/Android.bp
@@ -11,6 +11,7 @@
         "blueprint-metrics",
         "sbox_proto",
         "soong",
+        "soong-android_team_proto",
         "soong-android-soongconfig",
         "soong-remoteexec",
         "soong-response",
@@ -28,6 +29,7 @@
     ],
     srcs: [
         "aconfig_providers.go",
+        "all_teams.go",
         "androidmk.go",
         "apex.go",
         "apex_contributions.go",
@@ -92,6 +94,7 @@
         "singleton.go",
         "singleton_module.go",
         "soong_config_modules.go",
+        "team.go",
         "test_asserts.go",
         "test_suites.go",
         "testing.go",
diff --git a/android/aconfig_providers.go b/android/aconfig_providers.go
index 4ba1a88..1444e7d 100644
--- a/android/aconfig_providers.go
+++ b/android/aconfig_providers.go
@@ -15,6 +15,10 @@
 package android
 
 import (
+	"fmt"
+	"io"
+	"reflect"
+
 	"github.com/google/blueprint"
 )
 
@@ -45,22 +49,25 @@
 
 var AconfigTransitiveDeclarationsInfoProvider = blueprint.NewProvider[AconfigTransitiveDeclarationsInfo]()
 
+// CollectDependencyAconfigFiles is used by some module types to provide finer dependency graphing than
+// we can do in ModuleBase.
 func CollectDependencyAconfigFiles(ctx ModuleContext, mergedAconfigFiles *map[string]Paths) {
 	if *mergedAconfigFiles == nil {
 		*mergedAconfigFiles = make(map[string]Paths)
 	}
-	ctx.VisitDirectDepsBlueprint(func(module blueprint.Module) {
-		// Walk our direct dependencies, ignoring blueprint Modules and disabled Android Modules.
-		aModule, _ := module.(Module)
-		if aModule == nil || !aModule.Enabled() {
-			return
-		}
-
+	ctx.VisitDirectDepsIgnoreBlueprint(func(module Module) {
 		if dep, _ := OtherModuleProvider(ctx, module, AconfigDeclarationsProviderKey); dep.IntermediateCacheOutputPath != nil {
 			(*mergedAconfigFiles)[dep.Container] = append((*mergedAconfigFiles)[dep.Container], dep.IntermediateCacheOutputPath)
 			return
 		}
-		if dep, _ := OtherModuleProvider(ctx, module, AconfigTransitiveDeclarationsInfoProvider); len(dep.AconfigFiles) > 0 {
+		if dep, ok := OtherModuleProvider(ctx, module, aconfigPropagatingProviderKey); ok {
+			for container, v := range dep.AconfigFiles {
+				(*mergedAconfigFiles)[container] = append((*mergedAconfigFiles)[container], v...)
+			}
+		}
+		// We process these last, so that they determine the final value, eliminating any duplicates that we picked up
+		// from UpdateAndroidBuildActions.
+		if dep, ok := OtherModuleProvider(ctx, module, AconfigTransitiveDeclarationsInfoProvider); ok {
 			for container, v := range dep.AconfigFiles {
 				(*mergedAconfigFiles)[container] = append((*mergedAconfigFiles)[container], v...)
 			}
@@ -68,7 +75,7 @@
 	})
 
 	for container, aconfigFiles := range *mergedAconfigFiles {
-		(*mergedAconfigFiles)[container] = mergeAconfigFiles(ctx, container, aconfigFiles)
+		(*mergedAconfigFiles)[container] = mergeAconfigFiles(ctx, container, aconfigFiles, false)
 	}
 
 	SetProvider(ctx, AconfigTransitiveDeclarationsInfoProvider, AconfigTransitiveDeclarationsInfo{
@@ -76,30 +83,123 @@
 	})
 }
 
-func mergeAconfigFiles(ctx ModuleContext, container string, inputs Paths) Paths {
-	inputs = LastUniquePaths(inputs)
+func SetAconfigFileMkEntries(m *ModuleBase, entries *AndroidMkEntries, aconfigFiles map[string]Paths) {
+	setAconfigFileMkEntries(m, entries, aconfigFiles)
+}
+
+type aconfigPropagatingDeclarationsInfo struct {
+	AconfigFiles map[string]Paths
+}
+
+var aconfigPropagatingProviderKey = blueprint.NewProvider[aconfigPropagatingDeclarationsInfo]()
+
+func aconfigUpdateAndroidBuildActions(ctx ModuleContext) {
+	mergedAconfigFiles := make(map[string]Paths)
+	ctx.VisitDirectDepsIgnoreBlueprint(func(module Module) {
+		// If any of our dependencies have aconfig declarations (directly or propagated), then merge those and provide them.
+		if dep, ok := OtherModuleProvider(ctx, module, AconfigDeclarationsProviderKey); ok {
+			mergedAconfigFiles[dep.Container] = append(mergedAconfigFiles[dep.Container], dep.IntermediateCacheOutputPath)
+		}
+		if dep, ok := OtherModuleProvider(ctx, module, aconfigPropagatingProviderKey); ok {
+			for container, v := range dep.AconfigFiles {
+				mergedAconfigFiles[container] = append(mergedAconfigFiles[container], v...)
+			}
+		}
+		if dep, ok := OtherModuleProvider(ctx, module, AconfigTransitiveDeclarationsInfoProvider); ok {
+			for container, v := range dep.AconfigFiles {
+				mergedAconfigFiles[container] = append(mergedAconfigFiles[container], v...)
+			}
+		}
+	})
+	// We only need to set the provider if we have aconfig files.
+	if len(mergedAconfigFiles) > 0 {
+		for container, aconfigFiles := range mergedAconfigFiles {
+			mergedAconfigFiles[container] = mergeAconfigFiles(ctx, container, aconfigFiles, true)
+		}
+
+		SetProvider(ctx, aconfigPropagatingProviderKey, aconfigPropagatingDeclarationsInfo{
+			AconfigFiles: mergedAconfigFiles,
+		})
+	}
+}
+
+func aconfigUpdateAndroidMkData(ctx fillInEntriesContext, mod Module, data *AndroidMkData) {
+	info, ok := SingletonModuleProvider(ctx, mod, aconfigPropagatingProviderKey)
+	// If there is no aconfigPropagatingProvider, or there are no AconfigFiles, then we are done.
+	if !ok || len(info.AconfigFiles) == 0 {
+		return
+	}
+	data.Extra = append(data.Extra, func(w io.Writer, outputFile Path) {
+		AndroidMkEmitAssignList(w, "LOCAL_ACONFIG_FILES", getAconfigFilePaths(mod.base(), info.AconfigFiles).Strings())
+	})
+	// If there is a Custom writer, it needs to support this provider.
+	if data.Custom != nil {
+		switch reflect.TypeOf(mod).String() {
+		case "*aidl.aidlApi": // writes non-custom before adding .phony
+		case "*android_sdk.sdkRepoHost": // doesn't go through base_rules
+		case "*apex.apexBundle": // aconfig_file properties written
+		case "*bpf.bpf": // properties written (both for module and objs)
+		case "*genrule.Module": // writes non-custom before adding .phony
+		case "*java.SystemModules": // doesn't go through base_rules
+		case "*phony.phony": // properties written
+		case "*phony.PhonyRule": // writes phony deps and acts like `.PHONY`
+		case "*sysprop.syspropLibrary": // properties written
+		default:
+			panic(fmt.Errorf("custom make rules do not handle aconfig files for %q (%q) module %q", ctx.ModuleType(mod), reflect.TypeOf(mod), mod))
+		}
+	}
+}
+
+func aconfigUpdateAndroidMkEntries(ctx fillInEntriesContext, mod Module, entries *[]AndroidMkEntries) {
+	// If there are no entries, then we can ignore this module, even if it has aconfig files.
+	if len(*entries) == 0 {
+		return
+	}
+	info, ok := SingletonModuleProvider(ctx, mod, aconfigPropagatingProviderKey)
+	if !ok || len(info.AconfigFiles) == 0 {
+		return
+	}
+	// All of the files in the module potentially depend on the aconfig flag values.
+	for idx, _ := range *entries {
+		(*entries)[idx].ExtraEntries = append((*entries)[idx].ExtraEntries,
+			func(ctx AndroidMkExtraEntriesContext, entries *AndroidMkEntries) {
+				setAconfigFileMkEntries(mod.base(), entries, info.AconfigFiles)
+			},
+		)
+
+	}
+}
+
+func mergeAconfigFiles(ctx ModuleContext, container string, inputs Paths, generateRule bool) Paths {
+	inputs = SortedUniquePaths(inputs)
 	if len(inputs) == 1 {
 		return Paths{inputs[0]}
 	}
 
 	output := PathForModuleOut(ctx, container, "aconfig_merged.pb")
 
-	ctx.Build(pctx, BuildParams{
-		Rule:        mergeAconfigFilesRule,
-		Description: "merge aconfig files",
-		Inputs:      inputs,
-		Output:      output,
-		Args: map[string]string{
-			"flags": JoinWithPrefix(inputs.Strings(), "--cache "),
-		},
-	})
+	if generateRule {
+		ctx.Build(pctx, BuildParams{
+			Rule:        mergeAconfigFilesRule,
+			Description: "merge aconfig files",
+			Inputs:      inputs,
+			Output:      output,
+			Args: map[string]string{
+				"flags": JoinWithPrefix(inputs.Strings(), "--cache "),
+			},
+		})
+	}
 
 	return Paths{output}
 }
 
-func SetAconfigFileMkEntries(m *ModuleBase, entries *AndroidMkEntries, aconfigFiles map[string]Paths) {
+func setAconfigFileMkEntries(m *ModuleBase, entries *AndroidMkEntries, aconfigFiles map[string]Paths) {
+	entries.AddPaths("LOCAL_ACONFIG_FILES", getAconfigFilePaths(m, aconfigFiles))
+}
+
+func getAconfigFilePaths(m *ModuleBase, aconfigFiles map[string]Paths) (paths Paths) {
 	// TODO(b/311155208): The default container here should be system.
-	container := ""
+	container := "system"
 
 	if m.SocSpecific() {
 		container = "vendor"
@@ -109,5 +209,18 @@
 		container = "system_ext"
 	}
 
-	entries.SetPaths("LOCAL_ACONFIG_FILES", aconfigFiles[container])
+	paths = append(paths, aconfigFiles[container]...)
+	if container == "system" {
+		// TODO(b/311155208): Once the default container is system, we can drop this.
+		paths = append(paths, aconfigFiles[""]...)
+	}
+	if container != "system" {
+		if len(aconfigFiles[container]) == 0 && len(aconfigFiles[""]) > 0 {
+			// TODO(b/308625757): Either we guessed the container wrong, or the flag is misdeclared.
+			// For now, just include the system (aka "") container if we get here.
+			//fmt.Printf("container_mismatch: module=%v container=%v files=%v\n", m, container, aconfigFiles)
+		}
+		paths = append(paths, aconfigFiles[""]...)
+	}
+	return
 }
diff --git a/android/all_teams.go b/android/all_teams.go
new file mode 100644
index 0000000..dd7d2db
--- /dev/null
+++ b/android/all_teams.go
@@ -0,0 +1,157 @@
+package android
+
+import (
+	"android/soong/android/team_proto"
+	"path/filepath"
+
+	"google.golang.org/protobuf/proto"
+)
+
+const ownershipDirectory = "ownership"
+const allTeamsFile = "all_teams.pb"
+
+func AllTeamsFactory() Singleton {
+	return &allTeamsSingleton{}
+}
+
+func init() {
+	registerAllTeamBuildComponents(InitRegistrationContext)
+}
+
+func registerAllTeamBuildComponents(ctx RegistrationContext) {
+	ctx.RegisterParallelSingletonType("all_teams", AllTeamsFactory)
+}
+
+// For each module, list the team or the bpFile the module is defined in.
+type moduleTeamInfo struct {
+	teamName string
+	bpFile   string
+}
+
+type allTeamsSingleton struct {
+	// Path where the collected metadata is stored after successful validation.
+	outputPath OutputPath
+
+	// Map of all package modules we visit during GenerateBuildActions
+	packages map[string]packageProperties
+	// Map of all team modules we visit during GenerateBuildActions
+	teams map[string]teamProperties
+	// Keeps track of team information or bp file for each module we visit.
+	teams_for_mods map[string]moduleTeamInfo
+}
+
+// See if there is a package module for the given bpFilePath with a team defined, if so return the team.
+// If not ascend up to the parent directory and do the same.
+func (this *allTeamsSingleton) lookupDefaultTeam(bpFilePath string) (teamProperties, bool) {
+	// return the Default_team listed in the package if is there.
+	if p, ok := this.packages[bpFilePath]; ok {
+		if t := p.Default_team; t != nil {
+			return this.teams[*p.Default_team], true
+		}
+	}
+	// Strip a directory and go up.
+	// Does android/paths.go basePath,SourcePath help?
+	current, base := filepath.Split(bpFilePath)
+	current = filepath.Clean(current) // removes trailing slash, convert "" -> "."
+	parent, _ := filepath.Split(current)
+	if current == "." {
+		return teamProperties{}, false
+	}
+	return this.lookupDefaultTeam(filepath.Join(parent, base))
+}
+
+// Create a rule to run a tool to collect all the intermediate files
+// which list the team per module into one proto file.
+func (this *allTeamsSingleton) GenerateBuildActions(ctx SingletonContext) {
+	this.packages = make(map[string]packageProperties)
+	this.teams = make(map[string]teamProperties)
+	this.teams_for_mods = make(map[string]moduleTeamInfo)
+
+	ctx.VisitAllModules(func(module Module) {
+		if !module.Enabled() {
+			return
+		}
+
+		bpFile := ctx.BlueprintFile(module)
+
+		// Package Modules and Team Modules are stored in a map so we can look them up by name for
+		// modules without a team.
+		if pack, ok := module.(*packageModule); ok {
+			// Packages don't have names, use the blueprint file as the key. we can't get qualifiedModuleId in this context.
+			pkgKey := bpFile
+			this.packages[pkgKey] = pack.properties
+			return
+		}
+		if team, ok := module.(*teamModule); ok {
+			this.teams[team.Name()] = team.properties
+			return
+		}
+
+		// If a team name is given for a module, store it.
+		// Otherwise store the bpFile so we can do a package walk later.
+		if module.base().Team() != "" {
+			this.teams_for_mods[module.Name()] = moduleTeamInfo{teamName: module.base().Team(), bpFile: bpFile}
+		} else {
+			this.teams_for_mods[module.Name()] = moduleTeamInfo{bpFile: bpFile}
+		}
+	})
+
+	// Visit all modules again and lookup the team name in the package or parent package if the team
+	// isn't assignged at the module level.
+	allTeams := this.lookupTeamForAllModules()
+
+	this.outputPath = PathForOutput(ctx, ownershipDirectory, allTeamsFile)
+	data, err := proto.Marshal(allTeams)
+	if err != nil {
+		ctx.Errorf("Unable to marshal team data. %s", err)
+	}
+
+	WriteFileRuleVerbatim(ctx, this.outputPath, string(data))
+	ctx.Phony("all_teams", this.outputPath)
+}
+
+func (this *allTeamsSingleton) MakeVars(ctx MakeVarsContext) {
+	ctx.DistForGoal("all_teams", this.outputPath)
+}
+
+// Visit every (non-package, non-team) module and write out a proto containing
+// either the declared team data for that module or the package default team data for that module.
+func (this *allTeamsSingleton) lookupTeamForAllModules() *team_proto.AllTeams {
+	teamsProto := make([]*team_proto.Team, len(this.teams_for_mods))
+	for i, moduleName := range SortedKeys(this.teams_for_mods) {
+		m, _ := this.teams_for_mods[moduleName]
+		teamName := m.teamName
+		var teamProperties teamProperties
+		found := false
+		if teamName != "" {
+			teamProperties, found = this.teams[teamName]
+		} else {
+			teamProperties, found = this.lookupDefaultTeam(m.bpFile)
+		}
+
+		trendy_team_id := ""
+		if found {
+			trendy_team_id = *teamProperties.Trendy_team_id
+		}
+
+		var files []string
+		teamData := new(team_proto.Team)
+		if trendy_team_id != "" {
+			*teamData = team_proto.Team{
+				TrendyTeamId: proto.String(trendy_team_id),
+				TargetName:   proto.String(moduleName),
+				Path:         proto.String(m.bpFile),
+				File:         files,
+			}
+		} else {
+			// Clients rely on the TrendyTeamId optional field not being set.
+			*teamData = team_proto.Team{
+				TargetName: proto.String(moduleName),
+				Path:       proto.String(m.bpFile),
+				File:       files,
+			}
+		}
+		teamsProto[i] = teamData
+	}
+	return &team_proto.AllTeams{Teams: teamsProto}
+}
diff --git a/android/all_teams_test.go b/android/all_teams_test.go
new file mode 100644
index 0000000..a02b86e
--- /dev/null
+++ b/android/all_teams_test.go
@@ -0,0 +1,208 @@
+// Copyright 2024 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 (
+	"android/soong/android/team_proto"
+	"log"
+	"testing"
+
+	"google.golang.org/protobuf/proto"
+)
+
+func TestAllTeams(t *testing.T) {
+	t.Parallel()
+	ctx := GroupFixturePreparers(
+		PrepareForTestWithTeamBuildComponents,
+		FixtureRegisterWithContext(func(ctx RegistrationContext) {
+			ctx.RegisterModuleType("fake", fakeModuleFactory)
+			ctx.RegisterParallelSingletonType("all_teams", AllTeamsFactory)
+		}),
+	).RunTestWithBp(t, `
+		fake {
+			name: "main_test",
+			team: "someteam",
+		}
+		team {
+			name: "someteam",
+			trendy_team_id: "cool_team",
+		}
+
+		team {
+			name: "team2",
+			trendy_team_id: "22222",
+		}
+
+		fake {
+			name: "tool",
+			team: "team2",
+		}
+
+		fake {
+			name: "noteam",
+		}
+	`)
+
+	var teams *team_proto.AllTeams
+	teams = getTeamProtoOutput(t, ctx)
+
+	// map of module name -> trendy team name.
+	actualTeams := make(map[string]*string)
+	for _, teamProto := range teams.Teams {
+		actualTeams[teamProto.GetTargetName()] = teamProto.TrendyTeamId
+	}
+	expectedTeams := map[string]*string{
+		"main_test": proto.String("cool_team"),
+		"tool":      proto.String("22222"),
+		"noteam":    nil,
+	}
+
+	AssertDeepEquals(t, "compare maps", expectedTeams, actualTeams)
+}
+
+func getTeamProtoOutput(t *testing.T, ctx *TestResult) *team_proto.AllTeams {
+	teams := new(team_proto.AllTeams)
+	config := ctx.SingletonForTests("all_teams")
+	allOutputs := config.AllOutputs()
+
+	protoPath := allOutputs[0]
+
+	out := config.MaybeOutput(protoPath)
+	outProto := []byte(ContentFromFileRuleForTests(t, ctx.TestContext, out))
+	if err := proto.Unmarshal(outProto, teams); err != nil {
+		log.Fatalln("Failed to parse teams proto:", err)
+	}
+	return teams
+}
+
+// Android.bp
+//
+//	team: team_top
+//
+// # dir1 has no modules with teams,
+// # but has a dir with no Android.bp
+// dir1/Android.bp
+//
+//	module_dir1
+//
+// # dirs without and Android.bp should be fine.
+// dir1/dir2/dir3/Android.bp
+//
+//	package {}
+//	module_dir123
+//
+// teams_dir/Android.bp
+//
+//	module_with_team1: team1
+//	team1: 111
+//
+// # team comes from upper package default
+// teams_dir/deeper/Android.bp
+//
+//	module2_with_team1: team1
+//
+// package_defaults/Android.bp
+// package_defaults/pd2/Android.bp
+//
+//	package{ default_team: team_top}
+//	module_pd2   ## should get team_top
+//
+// package_defaults/pd2/pd3/Android.bp
+//
+//	module_pd3  ## should get team_top
+func TestPackageLookup(t *testing.T) {
+	t.Parallel()
+	rootBp := `
+		team {
+			name: "team_top",
+			trendy_team_id: "trendy://team_top",
+		} `
+
+	dir1Bp := `
+		fake {
+			name: "module_dir1",
+		} `
+	dir3Bp := `
+                package {}
+		fake {
+			name: "module_dir123",
+		} `
+	teamsDirBp := `
+		fake {
+			name: "module_with_team1",
+                        team: "team1"
+
+		}
+		team {
+			name: "team1",
+			trendy_team_id: "111",
+		} `
+	teamsDirDeeper := `
+		fake {
+			name: "module2_with_team1",
+                        team: "team1"
+		} `
+	// create an empty one.
+	packageDefaultsBp := ""
+	packageDefaultspd2 := `
+                package { default_team: "team_top"}
+		fake {
+			name: "modulepd2",
+		} `
+
+	packageDefaultspd3 := `
+		fake {
+			name: "modulepd3",
+		}
+		fake {
+			name: "modulepd3b",
+			team: "team1"
+		} `
+
+	ctx := GroupFixturePreparers(
+		PrepareForTestWithTeamBuildComponents,
+		PrepareForTestWithPackageModule,
+		FixtureRegisterWithContext(func(ctx RegistrationContext) {
+			ctx.RegisterModuleType("fake", fakeModuleFactory)
+			ctx.RegisterParallelSingletonType("all_teams", AllTeamsFactory)
+		}),
+		FixtureAddTextFile("Android.bp", rootBp),
+		FixtureAddTextFile("dir1/Android.bp", dir1Bp),
+		FixtureAddTextFile("dir1/dir2/dir3/Android.bp", dir3Bp),
+		FixtureAddTextFile("teams_dir/Android.bp", teamsDirBp),
+		FixtureAddTextFile("teams_dir/deeper/Android.bp", teamsDirDeeper),
+		FixtureAddTextFile("package_defaults/Android.bp", packageDefaultsBp),
+		FixtureAddTextFile("package_defaults/pd2/Android.bp", packageDefaultspd2),
+		FixtureAddTextFile("package_defaults/pd2/pd3/Android.bp", packageDefaultspd3),
+	).RunTest(t)
+
+	var teams *team_proto.AllTeams
+	teams = getTeamProtoOutput(t, ctx)
+
+	// map of module name -> trendy team name.
+	actualTeams := make(map[string]*string)
+	for _, teamProto := range teams.Teams {
+		actualTeams[teamProto.GetTargetName()] = teamProto.TrendyTeamId
+	}
+	expectedTeams := map[string]*string{
+		"module_with_team1":  proto.String("111"),
+		"module2_with_team1": proto.String("111"),
+		"modulepd2":          proto.String("trendy://team_top"),
+		"modulepd3":          proto.String("trendy://team_top"),
+		"modulepd3b":         proto.String("111"),
+		"module_dir1":        nil,
+		"module_dir123":      nil,
+	}
+	AssertDeepEquals(t, "compare maps", expectedTeams, actualTeams)
+}
diff --git a/android/androidmk.go b/android/androidmk.go
index 235d7c0..07f7c58 100644
--- a/android/androidmk.go
+++ b/android/androidmk.go
@@ -859,6 +859,7 @@
 	}
 
 	data.fillInData(ctx, mod)
+	aconfigUpdateAndroidMkData(ctx, mod.(Module), &data)
 
 	prefix := ""
 	if amod.ArchSpecific() {
@@ -943,6 +944,7 @@
 	}
 
 	entriesList := provider.AndroidMkEntries()
+	aconfigUpdateAndroidMkEntries(ctx, mod.(Module), &entriesList)
 
 	// Any new or special cases here need review to verify correct propagation of license information.
 	for _, entries := range entriesList {
diff --git a/android/apex.go b/android/apex.go
index c1e7a5c..4d36a93 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -147,6 +147,13 @@
 
 var ApexTestForInfoProvider = blueprint.NewMutatorProvider[ApexTestForInfo]("apex_test_for")
 
+// ApexBundleInfo contains information about the dependencies of an apex
+type ApexBundleInfo struct {
+	Contents *ApexContents
+}
+
+var ApexBundleInfoProvider = blueprint.NewMutatorProvider[ApexBundleInfo]("apex_info")
+
 // DepIsInSameApex defines an interface that should be used to determine whether a given dependency
 // should be considered as part of the same APEX as the current module or not. Note: this was
 // extracted from ApexModule to make it easier to define custom subsets of the ApexModule interface
diff --git a/android/arch.go b/android/arch.go
index c39db02..4fe4345 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -426,6 +426,7 @@
 	// filters out non-Soong modules.  Now that we've handled them, create a
 	// normal android.BottomUpMutatorContext.
 	mctx := bottomUpMutatorContextFactory(bpctx, module, false)
+	defer bottomUpMutatorContextPool.Put(mctx)
 
 	base := module.base()
 
@@ -572,6 +573,7 @@
 	// filters out non-Soong modules.  Now that we've handled them, create a
 	// normal android.BottomUpMutatorContext.
 	mctx := bottomUpMutatorContextFactory(bpctx, module, false)
+	defer bottomUpMutatorContextPool.Put(mctx)
 
 	base := module.base()
 
@@ -1058,9 +1060,7 @@
 	// order checks the `android:"variant_prepend"` tag to handle properties where the
 	// arch-specific value needs to come before the generic value, for example for lists of
 	// include directories.
-	order := func(property string,
-		dstField, srcField reflect.StructField,
-		dstValue, srcValue interface{}) (proptools.Order, error) {
+	order := func(dstField, srcField reflect.StructField) (proptools.Order, error) {
 		if proptools.HasTag(dstField, "android", "variant_prepend") {
 			return proptools.Prepend, nil
 		} else {
diff --git a/android/arch_list.go b/android/arch_list.go
index 801ac49..f4409a9 100644
--- a/android/arch_list.go
+++ b/android/arch_list.go
@@ -34,11 +34,11 @@
 		"broadwell",
 		"goldmont",
 		"goldmont-plus",
-		// Target arch is goldmont, but without xsaves support.
+		// Target arch is goldmont, but without supporting SHA and XSAVES.
 		// This ensures efficient execution on a broad range of Intel/AMD CPUs used
-		// in Chromebooks, including those lacking xsaves support.
+		// in Chromebooks, including those lacking SHA or XSAVES support.
 		// (e.g. Kaby Lake, Gemini Lake, Alder Lake and AMD Zen series)
-		"goldmont-without-xsaves",
+		"goldmont-without-sha-xsaves",
 		"haswell",
 		"icelake",
 		"ivybridge",
@@ -57,7 +57,7 @@
 		"broadwell",
 		"goldmont",
 		"goldmont-plus",
-		"goldmont-without-xsaves",
+		"goldmont-without-sha-xsaves",
 		"haswell",
 		"icelake",
 		"ivybridge",
@@ -203,7 +203,7 @@
 			"popcnt",
 			"movbe",
 		},
-		"goldmont-without-xsaves": {
+		"goldmont-without-sha-xsaves": {
 			"ssse3",
 			"sse4",
 			"sse4_1",
@@ -373,7 +373,7 @@
 			"aes_ni",
 			"popcnt",
 		},
-		"goldmont-without-xsaves": {
+		"goldmont-without-sha-xsaves": {
 			"ssse3",
 			"sse4",
 			"sse4_1",
diff --git a/android/base_module_context.go b/android/base_module_context.go
index af262ab..b9c1153 100644
--- a/android/base_module_context.go
+++ b/android/base_module_context.go
@@ -106,7 +106,7 @@
 	// 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
+	// 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)
@@ -119,6 +119,15 @@
 	// function, it may be invalidated by future mutators.
 	VisitDirectDepsBlueprint(visit func(blueprint.Module))
 
+	// VisitDirectDepsIgnoreBlueprint 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 silently ignores 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.
+	VisitDirectDepsIgnoreBlueprint(visit func(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
@@ -290,7 +299,7 @@
 	AllowDisabledModuleDependency(target Module) bool
 }
 
-func (b *baseModuleContext) validateAndroidModule(module blueprint.Module, tag blueprint.DependencyTag, strict bool) Module {
+func (b *baseModuleContext) validateAndroidModule(module blueprint.Module, tag blueprint.DependencyTag, strict bool, ignoreBlueprint bool) Module {
 	aModule, _ := module.(Module)
 
 	if !strict {
@@ -298,7 +307,9 @@
 	}
 
 	if aModule == nil {
-		b.ModuleErrorf("module %q (%#v) not an android module", b.OtherModuleName(module), tag)
+		if !ignoreBlueprint {
+			b.ModuleErrorf("module %q (%#v) not an android module", b.OtherModuleName(module), tag)
+		}
 		return nil
 	}
 
@@ -395,8 +406,16 @@
 }
 
 func (b *baseModuleContext) VisitDirectDeps(visit func(Module)) {
+	b.visitDirectDeps(visit, false)
+}
+
+func (b *baseModuleContext) VisitDirectDepsIgnoreBlueprint(visit func(Module)) {
+	b.visitDirectDeps(visit, true)
+}
+
+func (b *baseModuleContext) visitDirectDeps(visit func(Module), ignoreBlueprint bool) {
 	b.bp.VisitDirectDeps(func(module blueprint.Module) {
-		if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+		if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps, ignoreBlueprint); aModule != nil {
 			visit(aModule)
 		}
 	})
@@ -405,7 +424,7 @@
 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 {
+			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps, false); aModule != nil {
 				visit(aModule)
 			}
 		}
@@ -416,7 +435,7 @@
 	b.bp.VisitDirectDepsIf(
 		// pred
 		func(module blueprint.Module) bool {
-			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps, false); aModule != nil {
 				return pred(aModule)
 			} else {
 				return false
@@ -430,7 +449,7 @@
 
 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 {
+		if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps, false); aModule != nil {
 			visit(aModule)
 		}
 	})
@@ -440,7 +459,7 @@
 	b.bp.VisitDepsDepthFirstIf(
 		// pred
 		func(module blueprint.Module) bool {
-			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+			if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps, false); aModule != nil {
 				return pred(aModule)
 			} else {
 				return false
diff --git a/android/config.go b/android/config.go
index eb1e647..f2dedad 100644
--- a/android/config.go
+++ b/android/config.go
@@ -28,6 +28,7 @@
 	"strconv"
 	"strings"
 	"sync"
+	"unicode"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/bootstrap"
@@ -320,6 +321,18 @@
 	return loadFromConfigFile(&config.productVariables, absolutePath(config.ProductVariablesFileName))
 }
 
+// Checks if the string is a valid go identifier. This is equivalent to blueprint's definition
+// of an identifier, so it will match the same identifiers as those that can be used in bp files.
+func isGoIdentifier(ident string) bool {
+	for i, r := range ident {
+		valid := r == '_' || unicode.IsLetter(r) || unicode.IsDigit(r) && i > 0
+		if !valid {
+			return false
+		}
+	}
+	return len(ident) > 0
+}
+
 // loadFromConfigFile loads and decodes configuration options from a JSON file
 // in the current working directory.
 func loadFromConfigFile(configurable *ProductVariables, filename string) error {
@@ -355,6 +368,20 @@
 		Bool(configurable.GcovCoverage) ||
 			Bool(configurable.ClangCoverage))
 
+	// The go scanner's definition of identifiers is c-style identifiers, but allowing unicode's
+	// definition of letters and digits. This is the same scanner that blueprint uses, so it
+	// will allow the same identifiers as are valid in bp files.
+	for namespace := range configurable.VendorVars {
+		if !isGoIdentifier(namespace) {
+			return fmt.Errorf("soong config namespaces must be valid identifiers: %q", namespace)
+		}
+		for variable := range configurable.VendorVars[namespace] {
+			if !isGoIdentifier(variable) {
+				return fmt.Errorf("soong config variables must be valid identifiers: %q", variable)
+			}
+		}
+	}
+
 	// when Platform_sdk_final is true (or PLATFORM_VERSION_CODENAME is REL), use Platform_sdk_version;
 	// if false (pre-released version, for example), use Platform_sdk_codename.
 	if Bool(configurable.Platform_sdk_final) {
@@ -1309,6 +1336,10 @@
 	return String(c.productVariables.VendorApiLevel)
 }
 
+func (c *config) VendorApiLevelFrozen() bool {
+	return c.productVariables.GetBuildFlagBool("RELEASE_BOARD_API_LEVEL_FROZEN")
+}
+
 func (c *deviceConfig) Arches() []Arch {
 	var arches []Arch
 	for _, target := range c.config.Targets[Android] {
@@ -1970,6 +2001,10 @@
 	return val, ok
 }
 
+func (c *config) UseResourceProcessorByDefault() bool {
+	return c.productVariables.GetBuildFlagBool("RELEASE_USE_RESOURCE_PROCESSOR_BY_DEFAULT")
+}
+
 var (
 	mainlineApexContributionBuildFlags = []string{
 		"RELEASE_APEX_CONTRIBUTIONS_ADSERVICES",
diff --git a/android/deapexer.go b/android/deapexer.go
index 2704b3e..61ae64e 100644
--- a/android/deapexer.go
+++ b/android/deapexer.go
@@ -83,6 +83,10 @@
 	// name of the java libraries exported from the apex
 	// e.g. core-libart
 	exportedModuleNames []string
+
+	// name of the java libraries exported from the apex that should be dexpreopt'd with the .prof
+	// file embedded in the apex
+	dexpreoptProfileGuidedExportedModuleNames []string
 }
 
 // ApexModuleName returns the name of the APEX module that provided the info.
@@ -121,6 +125,14 @@
 	}
 }
 
+func (i *DeapexerInfo) GetDexpreoptProfileGuidedExportedModuleNames() []string {
+	return i.dexpreoptProfileGuidedExportedModuleNames
+}
+
+func (i *DeapexerInfo) AddDexpreoptProfileGuidedExportedModuleNames(names ...string) {
+	i.dexpreoptProfileGuidedExportedModuleNames = append(i.dexpreoptProfileGuidedExportedModuleNames, names...)
+}
+
 type deapexerTagStruct struct {
 	blueprint.BaseDependencyTag
 }
@@ -143,6 +155,9 @@
 	// the path to the extracted file will be stored in the DeapexerInfo using the APEX relative file
 	// path as the key, The path can then be retrieved using the PrebuiltExportPath(key) method.
 	RequiredFilesFromPrebuiltApex(ctx BaseModuleContext) []string
+
+	// Returns true if a transitive dependency of an apex should use a .prof file to guide dexpreopt
+	UseProfileGuidedDexpreopt() bool
 }
 
 // Marker interface that identifies dependencies on modules that may require files from a prebuilt
diff --git a/android/defaults_test.go b/android/defaults_test.go
index a7542ab..0ad0fb8 100644
--- a/android/defaults_test.go
+++ b/android/defaults_test.go
@@ -16,10 +16,13 @@
 
 import (
 	"testing"
+
+	"github.com/google/blueprint"
 )
 
 type defaultsTestProperties struct {
-	Foo []string
+	Foo       []string
+	Path_prop []string `android:"path"`
 }
 
 type defaultsTestModule struct {
@@ -130,3 +133,40 @@
 	// TODO: missing transitive defaults is currently not handled
 	_ = missingTransitiveDefaults
 }
+
+func TestDefaultsPathProperties(t *testing.T) {
+	bp := `
+		defaults {
+			name: "defaults",
+			path_prop: [":gen"],
+		}
+
+		test {
+			name: "foo",
+			defaults: ["defaults"],
+		}
+
+		test {
+			name: "gen",
+		}
+	`
+
+	result := GroupFixturePreparers(
+		prepareForDefaultsTest,
+		FixtureWithRootAndroidBp(bp),
+	).RunTest(t)
+
+	collectDeps := func(m Module) []string {
+		var deps []string
+		result.VisitDirectDeps(m, func(dep blueprint.Module) {
+			deps = append(deps, result.ModuleName(dep))
+		})
+		return deps
+	}
+
+	foo := result.Module("foo", "")
+	defaults := result.Module("defaults", "")
+
+	AssertStringListContains(t, "foo should depend on gen", collectDeps(foo), "gen")
+	AssertStringListDoesNotContain(t, "defaults should not depend on gen", collectDeps(defaults), "gen")
+}
diff --git a/android/defs.go b/android/defs.go
index fe52936..dab012d 100644
--- a/android/defs.go
+++ b/android/defs.go
@@ -86,9 +86,8 @@
 	// A symlink rule.
 	Symlink = pctx.AndroidStaticRule("Symlink",
 		blueprint.RuleParams{
-			Command:        "rm -f $out && ln -f -s $fromPath $out",
-			Description:    "symlink $out",
-			SymlinkOutputs: []string{"$out"},
+			Command:     "rm -f $out && ln -f -s $fromPath $out",
+			Description: "symlink $out",
 		},
 		"fromPath")
 
diff --git a/android/module.go b/android/module.go
index c3e873e..b615ff5 100644
--- a/android/module.go
+++ b/android/module.go
@@ -34,6 +34,7 @@
 var (
 	DeviceSharedLibrary = "shared_library"
 	DeviceStaticLibrary = "static_library"
+	jarJarPrefixHandler func(ctx ModuleContext)
 )
 
 type Module interface {
@@ -519,6 +520,9 @@
 	// trace, but influence modules among products.
 	SoongConfigTrace     soongConfigTrace `blueprint:"mutated"`
 	SoongConfigTraceHash string           `blueprint:"mutated"`
+
+	// The team (defined by the owner/vendor) who owns the property.
+	Team *string `android:"path"`
 }
 
 type distProperties struct {
@@ -531,6 +535,12 @@
 	Dists []Dist `android:"arch_variant"`
 }
 
+type TeamDepTagType struct {
+	blueprint.BaseDependencyTag
+}
+
+var teamDepTag = TeamDepTagType{}
+
 // CommonTestOptions represents the common `test_options` properties in
 // Android.bp.
 type CommonTestOptions struct {
@@ -992,6 +1002,12 @@
 
 func (m *ModuleBase) DepsMutator(BottomUpMutatorContext) {}
 
+func (m *ModuleBase) baseDepsMutator(ctx BottomUpMutatorContext) {
+	if m.Team() != "" {
+		ctx.AddDependency(ctx.Module(), teamDepTag, m.Team())
+	}
+}
+
 // AddProperties "registers" the provided props
 // each value in props MUST be a pointer to a struct
 func (m *ModuleBase) AddProperties(props ...interface{}) {
@@ -1437,6 +1453,10 @@
 	return String(m.commonProperties.Owner)
 }
 
+func (m *ModuleBase) Team() string {
+	return String(m.commonProperties.Team)
+}
+
 func (m *ModuleBase) setImageVariation(variant string) {
 	m.commonProperties.ImageVariation = variant
 }
@@ -1709,7 +1729,7 @@
 		// ensure all direct android.Module deps are enabled
 		ctx.VisitDirectDepsBlueprint(func(bm blueprint.Module) {
 			if m, ok := bm.(Module); ok {
-				ctx.validateAndroidModule(bm, ctx.OtherModuleDependencyTag(m), ctx.baseModuleContext.strictVisitDeps)
+				ctx.validateAndroidModule(bm, ctx.OtherModuleDependencyTag(m), ctx.baseModuleContext.strictVisitDeps, false)
 			}
 		})
 
@@ -1753,11 +1773,23 @@
 			return
 		}
 
+		if jarJarPrefixHandler != nil {
+			jarJarPrefixHandler(ctx)
+			if ctx.Failed() {
+				return
+			}
+		}
+
 		m.module.GenerateAndroidBuildActions(ctx)
 		if ctx.Failed() {
 			return
 		}
 
+		aconfigUpdateAndroidBuildActions(ctx)
+		if ctx.Failed() {
+			return
+		}
+
 		// Create the set of tagged dist files after calling GenerateAndroidBuildActions
 		// as GenerateTaggedDistFiles() calls OutputFiles(tag) and so relies on the
 		// output paths being set which must be done before or during
@@ -1841,6 +1873,13 @@
 	m.variables = ctx.variables
 }
 
+func SetJarJarPrefixHandler(handler func(ModuleContext)) {
+	if jarJarPrefixHandler != nil {
+		panic("jarJarPrefixHandler already set")
+	}
+	jarJarPrefixHandler = handler
+}
+
 func (m *ModuleBase) moduleInfoRegisterName(ctx ModuleContext, subName string) string {
 	name := m.BaseModuleName()
 
diff --git a/android/module_context.go b/android/module_context.go
index e772f8b..1cab630 100644
--- a/android/module_context.go
+++ b/android/module_context.go
@@ -16,11 +16,12 @@
 
 import (
 	"fmt"
-	"github.com/google/blueprint"
-	"github.com/google/blueprint/proptools"
 	"path"
 	"path/filepath"
 	"strings"
+
+	"github.com/google/blueprint"
+	"github.com/google/blueprint/proptools"
 )
 
 // BuildParameters describes the set of potential parameters to build a Ninja rule.
@@ -44,10 +45,6 @@
 	// 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
@@ -255,25 +252,6 @@
 	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 {
@@ -283,7 +261,6 @@
 		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(),
@@ -298,9 +275,6 @@
 	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())
 	}
@@ -316,7 +290,6 @@
 
 	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)
@@ -374,13 +347,6 @@
 	}
 
 	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)
 }
 
diff --git a/android/module_test.go b/android/module_test.go
index 1ca7422..1f3db5c 100644
--- a/android/module_test.go
+++ b/android/module_test.go
@@ -15,10 +15,11 @@
 package android
 
 import (
-	"github.com/google/blueprint"
 	"path/filepath"
 	"runtime"
 	"testing"
+
+	"github.com/google/blueprint"
 )
 
 func TestSrcIsModule(t *testing.T) {
@@ -244,52 +245,6 @@
 		RunTestWithBp(t, bp)
 }
 
-func TestValidateCorrectBuildParams(t *testing.T) {
-	config := TestConfig(t.TempDir(), nil, "", nil)
-	pathContext := PathContextForTesting(config)
-	bparams := convertBuildParams(BuildParams{
-		// Test with Output
-		Output:        PathForOutput(pathContext, "undeclared_symlink"),
-		SymlinkOutput: PathForOutput(pathContext, "undeclared_symlink"),
-	})
-
-	err := validateBuildParams(bparams)
-	if err != nil {
-		t.Error(err)
-	}
-
-	bparams = convertBuildParams(BuildParams{
-		// Test with ImplicitOutput
-		ImplicitOutput: PathForOutput(pathContext, "undeclared_symlink"),
-		SymlinkOutput:  PathForOutput(pathContext, "undeclared_symlink"),
-	})
-
-	err = validateBuildParams(bparams)
-	if err != nil {
-		t.Error(err)
-	}
-}
-
-func TestValidateIncorrectBuildParams(t *testing.T) {
-	config := TestConfig(t.TempDir(), nil, "", nil)
-	pathContext := PathContextForTesting(config)
-	params := BuildParams{
-		Output:          PathForOutput(pathContext, "regular_output"),
-		Outputs:         PathsForOutput(pathContext, []string{"out1", "out2"}),
-		ImplicitOutput:  PathForOutput(pathContext, "implicit_output"),
-		ImplicitOutputs: PathsForOutput(pathContext, []string{"i_out1", "_out2"}),
-		SymlinkOutput:   PathForOutput(pathContext, "undeclared_symlink"),
-	}
-
-	bparams := convertBuildParams(params)
-	err := validateBuildParams(bparams)
-	if err != nil {
-		FailIfNoMatchingErrors(t, "undeclared_symlink is not a declared output or implicit output", []error{err})
-	} else {
-		t.Errorf("Expected build params to fail validation: %+v", bparams)
-	}
-}
-
 func TestDistErrorChecking(t *testing.T) {
 	bp := `
 		deps {
diff --git a/android/mutator.go b/android/mutator.go
index e569698..0ff4f48 100644
--- a/android/mutator.go
+++ b/android/mutator.go
@@ -15,6 +15,8 @@
 package android
 
 import (
+	"sync"
+
 	"github.com/google/blueprint"
 )
 
@@ -328,29 +330,52 @@
 	SetVariationProvider(module blueprint.Module, provider blueprint.AnyProviderKey, value interface{})
 }
 
+// An outgoingTransitionContextImpl and incomingTransitionContextImpl is created for every dependency of every module
+// for each transition mutator.  bottomUpMutatorContext and topDownMutatorContext are created once for every module
+// for every BottomUp or TopDown mutator.  Use a global pool for each to avoid reallocating every time.
+var (
+	outgoingTransitionContextPool = sync.Pool{
+		New: func() any { return &outgoingTransitionContextImpl{} },
+	}
+	incomingTransitionContextPool = sync.Pool{
+		New: func() any { return &incomingTransitionContextImpl{} },
+	}
+	bottomUpMutatorContextPool = sync.Pool{
+		New: func() any { return &bottomUpMutatorContext{} },
+	}
+
+	topDownMutatorContextPool = sync.Pool{
+		New: func() any { return &topDownMutatorContext{} },
+	}
+)
+
 type bottomUpMutatorContext struct {
 	bp blueprint.BottomUpMutatorContext
 	baseModuleContext
 	finalPhase bool
 }
 
+// callers must immediately follow the call to this function with defer bottomUpMutatorContextPool.Put(mctx).
 func bottomUpMutatorContextFactory(ctx blueprint.BottomUpMutatorContext, a Module,
 	finalPhase bool) BottomUpMutatorContext {
 
 	moduleContext := a.base().baseModuleContextFactory(ctx)
-
-	return &bottomUpMutatorContext{
+	mctx := bottomUpMutatorContextPool.Get().(*bottomUpMutatorContext)
+	*mctx = bottomUpMutatorContext{
 		bp:                ctx,
 		baseModuleContext: moduleContext,
 		finalPhase:        finalPhase,
 	}
+	return mctx
 }
 
 func (x *registerMutatorsContext) BottomUp(name string, m BottomUpMutator) MutatorHandle {
 	finalPhase := x.finalPhase
 	f := func(ctx blueprint.BottomUpMutatorContext) {
 		if a, ok := ctx.Module().(Module); ok {
-			m(bottomUpMutatorContextFactory(ctx, a, finalPhase))
+			mctx := bottomUpMutatorContextFactory(ctx, a, finalPhase)
+			defer bottomUpMutatorContextPool.Put(mctx)
+			m(mctx)
 		}
 	}
 	mutator := &mutator{name: x.mutatorName(name), bottomUpMutator: f}
@@ -514,7 +539,9 @@
 
 func (a *androidTransitionMutator) OutgoingTransition(bpctx blueprint.OutgoingTransitionContext, sourceVariation string) string {
 	if m, ok := bpctx.Module().(Module); ok {
-		ctx := &outgoingTransitionContextImpl{
+		ctx := outgoingTransitionContextPool.Get().(*outgoingTransitionContextImpl)
+		defer outgoingTransitionContextPool.Put(ctx)
+		*ctx = outgoingTransitionContextImpl{
 			archModuleContext: m.base().archModuleContextFactory(bpctx),
 			bp:                bpctx,
 		}
@@ -543,7 +570,9 @@
 
 func (a *androidTransitionMutator) IncomingTransition(bpctx blueprint.IncomingTransitionContext, incomingVariation string) string {
 	if m, ok := bpctx.Module().(Module); ok {
-		ctx := &incomingTransitionContextImpl{
+		ctx := incomingTransitionContextPool.Get().(*incomingTransitionContextImpl)
+		defer incomingTransitionContextPool.Put(ctx)
+		*ctx = incomingTransitionContextImpl{
 			archModuleContext: m.base().archModuleContextFactory(bpctx),
 			bp:                bpctx,
 		}
@@ -555,7 +584,9 @@
 
 func (a *androidTransitionMutator) Mutate(ctx blueprint.BottomUpMutatorContext, variation string) {
 	if am, ok := ctx.Module().(Module); ok {
-		a.mutator.Mutate(bottomUpMutatorContextFactory(ctx, am, a.finalPhase), variation)
+		mctx := bottomUpMutatorContextFactory(ctx, am, a.finalPhase)
+		defer bottomUpMutatorContextPool.Put(mctx)
+		a.mutator.Mutate(mctx, variation)
 	}
 }
 
@@ -578,7 +609,9 @@
 	f := func(ctx blueprint.TopDownMutatorContext) {
 		if a, ok := ctx.Module().(Module); ok {
 			moduleContext := a.base().baseModuleContextFactory(ctx)
-			actx := &topDownMutatorContext{
+			actx := topDownMutatorContextPool.Get().(*topDownMutatorContext)
+			defer topDownMutatorContextPool.Put(actx)
+			*actx = topDownMutatorContext{
 				bp:                ctx,
 				baseModuleContext: moduleContext,
 			}
@@ -633,6 +666,7 @@
 
 func depsMutator(ctx BottomUpMutatorContext) {
 	if m := ctx.Module(); m.Enabled() {
+		m.base().baseDepsMutator(ctx)
 		m.DepsMutator(ctx)
 	}
 }
diff --git a/android/package.go b/android/package.go
index 878e4c4..eb76751 100644
--- a/android/package.go
+++ b/android/package.go
@@ -35,6 +35,7 @@
 	Default_visibility []string
 	// Specifies the default license terms for all modules defined in this package.
 	Default_applicable_licenses []string
+	Default_team                *string `android:"path"`
 }
 
 type packageModule struct {
@@ -47,6 +48,13 @@
 	// Nothing to do.
 }
 
+func (p *packageModule) DepsMutator(ctx BottomUpMutatorContext) {
+	// Add the dependency to do a validity check
+	if p.properties.Default_team != nil {
+		ctx.AddDependency(ctx.Module(), nil, *p.properties.Default_team)
+	}
+}
+
 func (p *packageModule) GenerateBuildActions(ctx blueprint.ModuleContext) {
 	// Nothing to do.
 }
diff --git a/android/path_properties.go b/android/path_properties.go
index fdc4d91..bbfaa8c 100644
--- a/android/path_properties.go
+++ b/android/path_properties.go
@@ -33,6 +33,11 @@
 // The pathDepsMutator automatically adds dependencies on any module that is listed with the
 // ":module" module reference syntax in a property that is tagged with `android:"path"`.
 func pathDepsMutator(ctx BottomUpMutatorContext) {
+	if _, ok := ctx.Module().(DefaultsModule); ok {
+		// Defaults modules shouldn't have dependencies added for path properties, they have already been
+		// squashed into the real modules.
+		return
+	}
 	props := ctx.Module().base().GetProperties()
 	addPathDepsForProps(ctx, props)
 }
diff --git a/android/paths.go b/android/paths.go
index 95f53ea..61c1258 100644
--- a/android/paths.go
+++ b/android/paths.go
@@ -1661,6 +1661,8 @@
 
 	// makePath indicates whether this path is for Soong (false) or Make (true).
 	makePath bool
+
+	fullPath string
 }
 
 // Will panic if called from outside a test environment.
@@ -1673,7 +1675,12 @@
 
 func (p InstallPath) RelativeToTop() Path {
 	ensureTestOnly()
-	p.soongOutDir = OutSoongDir
+	if p.makePath {
+		p.soongOutDir = OutDir
+	} else {
+		p.soongOutDir = OutSoongDir
+	}
+	p.fullPath = filepath.Join(p.soongOutDir, p.path)
 	return p
 }
 
@@ -1691,12 +1698,7 @@
 func (p InstallPath) writablePath() {}
 
 func (p InstallPath) String() string {
-	if p.makePath {
-		// Make path starts with out/ instead of out/soong.
-		return filepath.Join(p.soongOutDir, "../", p.path)
-	} else {
-		return filepath.Join(p.soongOutDir, p.path)
-	}
+	return p.fullPath
 }
 
 // PartitionDir returns the path to the partition where the install path is rooted at. It is
@@ -1726,6 +1728,7 @@
 
 func (p InstallPath) withRel(rel string) InstallPath {
 	p.basePath = p.basePath.withRel(rel)
+	p.fullPath = filepath.Join(p.fullPath, rel)
 	return p
 }
 
@@ -1769,6 +1772,25 @@
 	return os, arch
 }
 
+func pathForPartitionInstallDir(ctx PathContext, partition, partitionPath string, makePath bool) InstallPath {
+	fullPath := ctx.Config().SoongOutDir()
+	if makePath {
+		// Make path starts with out/ instead of out/soong.
+		fullPath = filepath.Join(fullPath, "../", partitionPath)
+	} else {
+		fullPath = filepath.Join(fullPath, partitionPath)
+	}
+
+	return InstallPath{
+		basePath:     basePath{partitionPath, ""},
+		soongOutDir:  ctx.Config().soongOutDir,
+		partitionDir: partitionPath,
+		partition:    partition,
+		makePath:     makePath,
+		fullPath:     fullPath,
+	}
+}
+
 func pathForInstall(ctx PathContext, os OsType, arch ArchType, partition string,
 	pathComponents ...string) InstallPath {
 
@@ -1805,27 +1827,12 @@
 		reportPathError(ctx, err)
 	}
 
-	base := InstallPath{
-		basePath:     basePath{partitionPath, ""},
-		soongOutDir:  ctx.Config().soongOutDir,
-		partitionDir: partitionPath,
-		partition:    partition,
-	}
-
-	if ctx.Config().KatiEnabled() {
-		base.makePath = true
-	}
-
+	base := pathForPartitionInstallDir(ctx, partition, partitionPath, ctx.Config().KatiEnabled())
 	return base.Join(ctx, pathComponents...)
 }
 
 func pathForNdkOrSdkInstall(ctx PathContext, prefix string, paths []string) InstallPath {
-	base := InstallPath{
-		basePath:     basePath{prefix, ""},
-		soongOutDir:  ctx.Config().soongOutDir,
-		partitionDir: prefix,
-		makePath:     false,
-	}
+	base := pathForPartitionInstallDir(ctx, "", prefix, false)
 	return base.Join(ctx, paths...)
 }
 
diff --git a/android/prebuilt.go b/android/prebuilt.go
index a94f5b7..2896dbd 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -547,13 +547,29 @@
 	if p := GetEmbeddedPrebuilt(m); p != nil {
 		bmn, _ := m.(baseModuleName)
 		name := bmn.BaseModuleName()
+		psi := PrebuiltSelectionInfoMap{}
+		ctx.VisitDirectDepsWithTag(acDepTag, func(am Module) {
+			psi, _ = OtherModuleProvider(ctx, am, PrebuiltSelectionInfoProvider)
+		})
+
 		if p.properties.UsePrebuilt {
 			if p.properties.SourceExists {
 				ctx.ReplaceDependenciesIf(name, func(from blueprint.Module, tag blueprint.DependencyTag, to blueprint.Module) bool {
+					if sdkLibrary, ok := m.(interface{ SdkLibraryName() *string }); ok && sdkLibrary.SdkLibraryName() != nil {
+						// Do not replace deps to the top-level prebuilt java_sdk_library hook.
+						// This hook has been special-cased in #isSelected to be _always_ active, even in next builds
+						// for dexpreopt and hiddenapi processing.
+						// If we do not special-case this here, rdeps referring to a java_sdk_library in next builds via libs
+						// will get prebuilt stubs
+						// TODO (b/308187268): Remove this after the apexes have been added to apex_contributions
+						if psi.IsSelected(*sdkLibrary.SdkLibraryName()) {
+							return false
+						}
+					}
+
 					if t, ok := tag.(ReplaceSourceWithPrebuilt); ok {
 						return t.ReplaceSourceWithPrebuilt()
 					}
-
 					return true
 				})
 			}
@@ -584,6 +600,7 @@
 		sln := proptools.String(sdkLibrary.SdkLibraryName())
 		// This is the top-level library
 		// Do not supersede the existing prebuilts vs source selection mechanisms
+		// TODO (b/308187268): Remove this after the apexes have been added to apex_contributions
 		if sln == m.base().BaseModuleName() {
 			return false
 		}
diff --git a/android/rule_builder.go b/android/rule_builder.go
index 1454357..e8dbd48 100644
--- a/android/rule_builder.go
+++ b/android/rule_builder.go
@@ -336,41 +336,6 @@
 	return outputList
 }
 
-func (r *RuleBuilder) symlinkOutputSet() map[string]WritablePath {
-	symlinkOutputs := make(map[string]WritablePath)
-	for _, c := range r.commands {
-		for _, symlinkOutput := range c.symlinkOutputs {
-			symlinkOutputs[symlinkOutput.String()] = symlinkOutput
-		}
-	}
-	return symlinkOutputs
-}
-
-// SymlinkOutputs returns the list of paths that the executor (Ninja) would
-// verify, after build edge completion, that:
-//
-// 1) Created output symlinks match the list of paths in this list exactly (no more, no fewer)
-// 2) Created output files are *not* declared in this list.
-//
-// These symlink outputs are expected to be a subset of outputs or implicit
-// outputs, or they would fail validation at build param construction time
-// later, to support other non-rule-builder approaches for constructing
-// statements.
-func (r *RuleBuilder) SymlinkOutputs() WritablePaths {
-	symlinkOutputs := r.symlinkOutputSet()
-
-	var symlinkOutputList WritablePaths
-	for _, symlinkOutput := range symlinkOutputs {
-		symlinkOutputList = append(symlinkOutputList, symlinkOutput)
-	}
-
-	sort.Slice(symlinkOutputList, func(i, j int) bool {
-		return symlinkOutputList[i].String() < symlinkOutputList[j].String()
-	})
-
-	return symlinkOutputList
-}
-
 func (r *RuleBuilder) depFileSet() map[string]WritablePath {
 	depFiles := make(map[string]WritablePath)
 	for _, c := range r.commands {
@@ -629,8 +594,9 @@
 				name, r.sboxManifestPath.String(), r.outDir.String())
 		}
 
-		// Create a rule to write the manifest as textproto.
-		pbText, err := prototext.Marshal(&manifest)
+		// Create a rule to write the manifest as textproto. Pretty print it by indenting and
+		// splitting across multiple lines.
+		pbText, err := prototext.MarshalOptions{Indent: " "}.Marshal(&manifest)
 		if err != nil {
 			ReportPathErrorf(r.ctx, "sbox manifest failed to marshal: %q", err)
 		}
@@ -775,7 +741,6 @@
 		Validations:     r.Validations(),
 		Output:          output,
 		ImplicitOutputs: implicitOutputs,
-		SymlinkOutputs:  r.SymlinkOutputs(),
 		Depfile:         depFile,
 		Deps:            depFormat,
 		Description:     desc,
@@ -789,17 +754,16 @@
 type RuleBuilderCommand struct {
 	rule *RuleBuilder
 
-	buf            strings.Builder
-	inputs         Paths
-	implicits      Paths
-	orderOnlys     Paths
-	validations    Paths
-	outputs        WritablePaths
-	symlinkOutputs WritablePaths
-	depFiles       WritablePaths
-	tools          Paths
-	packagedTools  []PackagingSpec
-	rspFiles       []rspFileAndPaths
+	buf           strings.Builder
+	inputs        Paths
+	implicits     Paths
+	orderOnlys    Paths
+	validations   Paths
+	outputs       WritablePaths
+	depFiles      WritablePaths
+	tools         Paths
+	packagedTools []PackagingSpec
+	rspFiles      []rspFileAndPaths
 }
 
 type rspFileAndPaths struct {
@@ -1223,42 +1187,6 @@
 	return c
 }
 
-// ImplicitSymlinkOutput declares the specified path as an implicit output that
-// will be a symlink instead of a regular file. Does not modify the command
-// line.
-func (c *RuleBuilderCommand) ImplicitSymlinkOutput(path WritablePath) *RuleBuilderCommand {
-	checkPathNotNil(path)
-	c.symlinkOutputs = append(c.symlinkOutputs, path)
-	return c.ImplicitOutput(path)
-}
-
-// ImplicitSymlinkOutputs declares the specified paths as implicit outputs that
-// will be a symlinks instead of regular files. Does not modify the command
-// line.
-func (c *RuleBuilderCommand) ImplicitSymlinkOutputs(paths WritablePaths) *RuleBuilderCommand {
-	for _, path := range paths {
-		c.ImplicitSymlinkOutput(path)
-	}
-	return c
-}
-
-// SymlinkOutput declares the specified path as an output that will be a symlink
-// instead of a regular file. Modifies the command line.
-func (c *RuleBuilderCommand) SymlinkOutput(path WritablePath) *RuleBuilderCommand {
-	checkPathNotNil(path)
-	c.symlinkOutputs = append(c.symlinkOutputs, path)
-	return c.Output(path)
-}
-
-// SymlinkOutputsl declares the specified paths as outputs that will be symlinks
-// instead of regular files. Modifies the command line.
-func (c *RuleBuilderCommand) SymlinkOutputs(paths WritablePaths) *RuleBuilderCommand {
-	for _, path := range paths {
-		c.SymlinkOutput(path)
-	}
-	return c
-}
-
 // ImplicitDepFile adds the specified depfile path to the paths returned by RuleBuilder.DepFiles without modifying
 // the command line, and causes RuleBuilder.Build file to set the depfile flag for ninja.  If multiple depfiles
 // are added to commands in a single RuleBuilder then RuleBuilder.Build will add an extra command to merge the
diff --git a/android/rule_builder_test.go b/android/rule_builder_test.go
index 9e5f12d..6a8a964 100644
--- a/android/rule_builder_test.go
+++ b/android/rule_builder_test.go
@@ -48,7 +48,6 @@
 		"a":       nil,
 		"b":       nil,
 		"ls":      nil,
-		"ln":      nil,
 		"turbine": nil,
 		"java":    nil,
 		"javac":   nil,
@@ -81,32 +80,6 @@
 	// outputs: ["out/soong/linked"]
 }
 
-func ExampleRuleBuilder_SymlinkOutputs() {
-	ctx := builderContext()
-
-	rule := NewRuleBuilder(pctx, ctx)
-
-	rule.Command().
-		Tool(PathForSource(ctx, "ln")).
-		FlagWithInput("-s ", PathForTesting("a.o")).
-		SymlinkOutput(PathForOutput(ctx, "a"))
-	rule.Command().Text("cp out/soong/a out/soong/b").
-		ImplicitSymlinkOutput(PathForOutput(ctx, "b"))
-
-	fmt.Printf("commands: %q\n", strings.Join(rule.Commands(), " && "))
-	fmt.Printf("tools: %q\n", rule.Tools())
-	fmt.Printf("inputs: %q\n", rule.Inputs())
-	fmt.Printf("outputs: %q\n", rule.Outputs())
-	fmt.Printf("symlink_outputs: %q\n", rule.SymlinkOutputs())
-
-	// Output:
-	// commands: "ln -s a.o out/soong/a && cp out/soong/a out/soong/b"
-	// tools: ["ln"]
-	// inputs: ["a.o"]
-	// outputs: ["out/soong/a" "out/soong/b"]
-	// symlink_outputs: ["out/soong/a" "out/soong/b"]
-}
-
 func ExampleRuleBuilder_Temporary() {
 	ctx := builderContext()
 
@@ -334,8 +307,6 @@
 			Output(PathForOutput(ctx, "module/Output")).
 			OrderOnly(PathForSource(ctx, "OrderOnly")).
 			Validation(PathForSource(ctx, "Validation")).
-			SymlinkOutput(PathForOutput(ctx, "module/SymlinkOutput")).
-			ImplicitSymlinkOutput(PathForOutput(ctx, "module/ImplicitSymlinkOutput")).
 			Text("Text").
 			Tool(PathForSource(ctx, "Tool"))
 
@@ -367,15 +338,13 @@
 	wantRspFileInputs := Paths{PathForSource(ctx, "RspInput"),
 		PathForOutput(ctx, "other/RspOutput2")}
 	wantOutputs := PathsForOutput(ctx, []string{
-		"module/ImplicitOutput", "module/ImplicitSymlinkOutput", "module/Output", "module/SymlinkOutput",
-		"module/output", "module/output2", "module/output3"})
+		"module/ImplicitOutput", "module/Output", "module/output", "module/output2",
+		"module/output3"})
 	wantDepFiles := PathsForOutput(ctx, []string{
 		"module/DepFile", "module/depfile", "module/ImplicitDepFile", "module/depfile2"})
 	wantTools := PathsForSource(ctx, []string{"Tool", "tool2"})
 	wantOrderOnlys := PathsForSource(ctx, []string{"OrderOnly", "OrderOnlys"})
 	wantValidations := PathsForSource(ctx, []string{"Validation", "Validations"})
-	wantSymlinkOutputs := PathsForOutput(ctx, []string{
-		"module/ImplicitSymlinkOutput", "module/SymlinkOutput"})
 
 	t.Run("normal", func(t *testing.T) {
 		rule := NewRuleBuilder(pctx, ctx)
@@ -384,7 +353,7 @@
 		wantCommands := []string{
 			"out_local/soong/module/DepFile Flag FlagWithArg=arg FlagWithDepFile=out_local/soong/module/depfile " +
 				"FlagWithInput=input FlagWithOutput=out_local/soong/module/output FlagWithRspFileInputList=out_local/soong/rsp " +
-				"Input out_local/soong/module/Output out_local/soong/module/SymlinkOutput Text Tool after command2 old cmd",
+				"Input out_local/soong/module/Output Text Tool after command2 old cmd",
 			"command2 out_local/soong/module/depfile2 input2 out_local/soong/module/output2 tool2",
 			"command3 input3 out_local/soong/module/output2 out_local/soong/module/output3 input3 out_local/soong/module/output2",
 		}
@@ -397,7 +366,6 @@
 		AssertDeepEquals(t, "rule.Inputs()", wantInputs, rule.Inputs())
 		AssertDeepEquals(t, "rule.RspfileInputs()", wantRspFileInputs, rule.RspFileInputs())
 		AssertDeepEquals(t, "rule.Outputs()", wantOutputs, rule.Outputs())
-		AssertDeepEquals(t, "rule.SymlinkOutputs()", wantSymlinkOutputs, rule.SymlinkOutputs())
 		AssertDeepEquals(t, "rule.DepFiles()", wantDepFiles, rule.DepFiles())
 		AssertDeepEquals(t, "rule.Tools()", wantTools, rule.Tools())
 		AssertDeepEquals(t, "rule.OrderOnlys()", wantOrderOnlys, rule.OrderOnlys())
@@ -415,7 +383,7 @@
 			"__SBOX_SANDBOX_DIR__/out/DepFile Flag FlagWithArg=arg FlagWithDepFile=__SBOX_SANDBOX_DIR__/out/depfile " +
 				"FlagWithInput=input FlagWithOutput=__SBOX_SANDBOX_DIR__/out/output " +
 				"FlagWithRspFileInputList=out_local/soong/rsp Input __SBOX_SANDBOX_DIR__/out/Output " +
-				"__SBOX_SANDBOX_DIR__/out/SymlinkOutput Text Tool after command2 old cmd",
+				"Text Tool after command2 old cmd",
 			"command2 __SBOX_SANDBOX_DIR__/out/depfile2 input2 __SBOX_SANDBOX_DIR__/out/output2 tool2",
 			"command3 input3 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/out/output3 input3 __SBOX_SANDBOX_DIR__/out/output2",
 		}
@@ -427,7 +395,6 @@
 		AssertDeepEquals(t, "rule.Inputs()", wantInputs, rule.Inputs())
 		AssertDeepEquals(t, "rule.RspfileInputs()", wantRspFileInputs, rule.RspFileInputs())
 		AssertDeepEquals(t, "rule.Outputs()", wantOutputs, rule.Outputs())
-		AssertDeepEquals(t, "rule.SymlinkOutputs()", wantSymlinkOutputs, rule.SymlinkOutputs())
 		AssertDeepEquals(t, "rule.DepFiles()", wantDepFiles, rule.DepFiles())
 		AssertDeepEquals(t, "rule.Tools()", wantTools, rule.Tools())
 		AssertDeepEquals(t, "rule.OrderOnlys()", wantOrderOnlys, rule.OrderOnlys())
@@ -445,7 +412,7 @@
 			"__SBOX_SANDBOX_DIR__/out/DepFile Flag FlagWithArg=arg FlagWithDepFile=__SBOX_SANDBOX_DIR__/out/depfile " +
 				"FlagWithInput=input FlagWithOutput=__SBOX_SANDBOX_DIR__/out/output " +
 				"FlagWithRspFileInputList=out_local/soong/rsp Input __SBOX_SANDBOX_DIR__/out/Output " +
-				"__SBOX_SANDBOX_DIR__/out/SymlinkOutput Text __SBOX_SANDBOX_DIR__/tools/src/Tool after command2 old cmd",
+				"Text __SBOX_SANDBOX_DIR__/tools/src/Tool after command2 old cmd",
 			"command2 __SBOX_SANDBOX_DIR__/out/depfile2 input2 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/tools/src/tool2",
 			"command3 input3 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/out/output3 input3 __SBOX_SANDBOX_DIR__/out/output2",
 		}
@@ -457,7 +424,6 @@
 		AssertDeepEquals(t, "rule.Inputs()", wantInputs, rule.Inputs())
 		AssertDeepEquals(t, "rule.RspfileInputs()", wantRspFileInputs, rule.RspFileInputs())
 		AssertDeepEquals(t, "rule.Outputs()", wantOutputs, rule.Outputs())
-		AssertDeepEquals(t, "rule.SymlinkOutputs()", wantSymlinkOutputs, rule.SymlinkOutputs())
 		AssertDeepEquals(t, "rule.DepFiles()", wantDepFiles, rule.DepFiles())
 		AssertDeepEquals(t, "rule.Tools()", wantTools, rule.Tools())
 		AssertDeepEquals(t, "rule.OrderOnlys()", wantOrderOnlys, rule.OrderOnlys())
@@ -475,7 +441,7 @@
 			"__SBOX_SANDBOX_DIR__/out/DepFile Flag FlagWithArg=arg FlagWithDepFile=__SBOX_SANDBOX_DIR__/out/depfile " +
 				"FlagWithInput=input FlagWithOutput=__SBOX_SANDBOX_DIR__/out/output " +
 				"FlagWithRspFileInputList=__SBOX_SANDBOX_DIR__/out/soong/rsp Input __SBOX_SANDBOX_DIR__/out/Output " +
-				"__SBOX_SANDBOX_DIR__/out/SymlinkOutput Text __SBOX_SANDBOX_DIR__/tools/src/Tool after command2 old cmd",
+				"Text __SBOX_SANDBOX_DIR__/tools/src/Tool after command2 old cmd",
 			"command2 __SBOX_SANDBOX_DIR__/out/depfile2 input2 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/tools/src/tool2",
 			"command3 input3 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/out/output3 input3 __SBOX_SANDBOX_DIR__/out/output2",
 		}
@@ -487,7 +453,6 @@
 		AssertDeepEquals(t, "rule.Inputs()", wantInputs, rule.Inputs())
 		AssertDeepEquals(t, "rule.RspfileInputs()", wantRspFileInputs, rule.RspFileInputs())
 		AssertDeepEquals(t, "rule.Outputs()", wantOutputs, rule.Outputs())
-		AssertDeepEquals(t, "rule.SymlinkOutputs()", wantSymlinkOutputs, rule.SymlinkOutputs())
 		AssertDeepEquals(t, "rule.DepFiles()", wantDepFiles, rule.DepFiles())
 		AssertDeepEquals(t, "rule.Tools()", wantTools, rule.Tools())
 		AssertDeepEquals(t, "rule.OrderOnlys()", wantOrderOnlys, rule.OrderOnlys())
diff --git a/android/singleton.go b/android/singleton.go
index 47cfb28..e0e552e 100644
--- a/android/singleton.go
+++ b/android/singleton.go
@@ -170,12 +170,7 @@
 		s.buildParams = append(s.buildParams, params)
 	}
 	bparams := convertBuildParams(params)
-	err := validateBuildParams(bparams)
-	if err != nil {
-		s.Errorf("%s: build parameter validation failed: %s", s.Name(), err.Error())
-	}
 	s.SingletonContext.Build(pctx.PackageContext, bparams)
-
 }
 
 func (s *singletonContextAdaptor) Phony(name string, deps ...Path) {
diff --git a/android/team.go b/android/team.go
new file mode 100644
index 0000000..df61f40
--- /dev/null
+++ b/android/team.go
@@ -0,0 +1,58 @@
+// 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 android
+
+func init() {
+	RegisterTeamBuildComponents(InitRegistrationContext)
+}
+
+func RegisterTeamBuildComponents(ctx RegistrationContext) {
+	ctx.RegisterModuleType("team", TeamFactory)
+}
+
+var PrepareForTestWithTeamBuildComponents = GroupFixturePreparers(
+	FixtureRegisterWithContext(RegisterTeamBuildComponents),
+)
+
+type teamProperties struct {
+	Trendy_team_id *string `json:"trendy_team_id"`
+}
+
+type teamModule struct {
+	ModuleBase
+	DefaultableModuleBase
+
+	properties teamProperties
+}
+
+// Real work is done for the module that depends on us.
+// If needed, the team can serialize the config to json/proto file as well.
+func (t *teamModule) GenerateAndroidBuildActions(ctx ModuleContext) {}
+
+func (t *teamModule) TrendyTeamId(ctx ModuleContext) string {
+	return *t.properties.Trendy_team_id
+}
+
+func TeamFactory() Module {
+	module := &teamModule{}
+
+	base := module.base()
+	module.AddProperties(&base.nameProperties, &module.properties)
+
+	InitAndroidModule(module)
+	InitDefaultableModule(module)
+
+	return module
+}
diff --git a/android/team_proto/Android.bp b/android/team_proto/Android.bp
new file mode 100644
index 0000000..7e2a4c1
--- /dev/null
+++ b/android/team_proto/Android.bp
@@ -0,0 +1,43 @@
+// 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-android_team_proto",
+    pkgPath: "android/soong/android/team_proto",
+    deps: [
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
+    srcs: [
+        "team.pb.go",
+    ],
+}
+
+python_library_host {
+    name: "teams-proto-py",
+    pkg_path: "teams",
+    srcs: [
+        "team.proto",
+    ],
+    libs: [
+        "libprotobuf-python",
+    ],
+    proto: {
+        canonical_path_from_root: false,
+    },
+}
diff --git a/android/team_proto/OWNERS b/android/team_proto/OWNERS
new file mode 100644
index 0000000..2beb4f4
--- /dev/null
+++ b/android/team_proto/OWNERS
@@ -0,0 +1,5 @@
+dariofreni@google.com
+joeo@google.com
+ronish@google.com
+caditya@google.com
+rbraunstein@google.com
diff --git a/android/team_proto/regen.sh b/android/team_proto/regen.sh
new file mode 100755
index 0000000..63b2016
--- /dev/null
+++ b/android/team_proto/regen.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+aprotoc --go_out=paths=source_relative:. team.proto
diff --git a/android/team_proto/team.pb.go b/android/team_proto/team.pb.go
new file mode 100644
index 0000000..61260cf
--- /dev/null
+++ b/android/team_proto/team.pb.go
@@ -0,0 +1,253 @@
+// 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: team.proto
+
+package team_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 Team struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// REQUIRED: Name of the build target
+	TargetName *string `protobuf:"bytes,1,opt,name=target_name,json=targetName" json:"target_name,omitempty"`
+	// 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
+	Path *string `protobuf:"bytes,2,opt,name=path" json:"path,omitempty"`
+	// REQUIRED: Team ID of the team that owns this target.
+	TrendyTeamId *string `protobuf:"bytes,3,opt,name=trendy_team_id,json=trendyTeamId" json:"trendy_team_id,omitempty"`
+	// OPTIONAL: Files directly owned by this module.
+	File []string `protobuf:"bytes,4,rep,name=file" json:"file,omitempty"`
+}
+
+func (x *Team) Reset() {
+	*x = Team{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_team_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Team) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Team) ProtoMessage() {}
+
+func (x *Team) ProtoReflect() protoreflect.Message {
+	mi := &file_team_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 Team.ProtoReflect.Descriptor instead.
+func (*Team) Descriptor() ([]byte, []int) {
+	return file_team_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Team) GetTargetName() string {
+	if x != nil && x.TargetName != nil {
+		return *x.TargetName
+	}
+	return ""
+}
+
+func (x *Team) GetPath() string {
+	if x != nil && x.Path != nil {
+		return *x.Path
+	}
+	return ""
+}
+
+func (x *Team) GetTrendyTeamId() string {
+	if x != nil && x.TrendyTeamId != nil {
+		return *x.TrendyTeamId
+	}
+	return ""
+}
+
+func (x *Team) GetFile() []string {
+	if x != nil {
+		return x.File
+	}
+	return nil
+}
+
+type AllTeams struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Teams []*Team `protobuf:"bytes,1,rep,name=teams" json:"teams,omitempty"`
+}
+
+func (x *AllTeams) Reset() {
+	*x = AllTeams{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_team_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AllTeams) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AllTeams) ProtoMessage() {}
+
+func (x *AllTeams) ProtoReflect() protoreflect.Message {
+	mi := &file_team_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 AllTeams.ProtoReflect.Descriptor instead.
+func (*AllTeams) Descriptor() ([]byte, []int) {
+	return file_team_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *AllTeams) GetTeams() []*Team {
+	if x != nil {
+		return x.Teams
+	}
+	return nil
+}
+
+var File_team_proto protoreflect.FileDescriptor
+
+var file_team_proto_rawDesc = []byte{
+	0x0a, 0x0a, 0x74, 0x65, 0x61, 0x6d, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0a, 0x74, 0x65,
+	0x61, 0x6d, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x75, 0x0a, 0x04, 0x54, 0x65, 0x61, 0x6d,
+	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, 0x12, 0x12, 0x0a, 0x04, 0x66,
+	0x69, 0x6c, 0x65, 0x18, 0x04, 0x20, 0x03, 0x28, 0x09, 0x52, 0x04, 0x66, 0x69, 0x6c, 0x65, 0x22,
+	0x32, 0x0a, 0x08, 0x41, 0x6c, 0x6c, 0x54, 0x65, 0x61, 0x6d, 0x73, 0x12, 0x26, 0x0a, 0x05, 0x74,
+	0x65, 0x61, 0x6d, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x10, 0x2e, 0x74, 0x65, 0x61,
+	0x6d, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x54, 0x65, 0x61, 0x6d, 0x52, 0x05, 0x74, 0x65,
+	0x61, 0x6d, 0x73, 0x42, 0x22, 0x5a, 0x20, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x2f, 0x73,
+	0x6f, 0x6f, 0x6e, 0x67, 0x2f, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x2f, 0x74, 0x65, 0x61,
+	0x6d, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+}
+
+var (
+	file_team_proto_rawDescOnce sync.Once
+	file_team_proto_rawDescData = file_team_proto_rawDesc
+)
+
+func file_team_proto_rawDescGZIP() []byte {
+	file_team_proto_rawDescOnce.Do(func() {
+		file_team_proto_rawDescData = protoimpl.X.CompressGZIP(file_team_proto_rawDescData)
+	})
+	return file_team_proto_rawDescData
+}
+
+var file_team_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_team_proto_goTypes = []interface{}{
+	(*Team)(nil),     // 0: team_proto.Team
+	(*AllTeams)(nil), // 1: team_proto.AllTeams
+}
+var file_team_proto_depIdxs = []int32{
+	0, // 0: team_proto.AllTeams.teams:type_name -> team_proto.Team
+	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_team_proto_init() }
+func file_team_proto_init() {
+	if File_team_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_team_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Team); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_team_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AllTeams); 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_team_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_team_proto_goTypes,
+		DependencyIndexes: file_team_proto_depIdxs,
+		MessageInfos:      file_team_proto_msgTypes,
+	}.Build()
+	File_team_proto = out.File
+	file_team_proto_rawDesc = nil
+	file_team_proto_goTypes = nil
+	file_team_proto_depIdxs = nil
+}
diff --git a/android/team_proto/team.proto b/android/team_proto/team.proto
new file mode 100644
index 0000000..401eccc
--- /dev/null
+++ b/android/team_proto/team.proto
@@ -0,0 +1,34 @@
+// 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 team_proto;
+option go_package = "android/soong/android/team_proto";
+
+message Team {
+  // 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;
+
+  // OPTIONAL: Files directly owned by this module.
+  repeated string file = 4;
+}
+
+message AllTeams {
+  repeated Team teams = 1;
+}
diff --git a/android/team_test.go b/android/team_test.go
new file mode 100644
index 0000000..75b3e9f
--- /dev/null
+++ b/android/team_test.go
@@ -0,0 +1,99 @@
+// Copyright 2024 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 (
+	"testing"
+)
+
+type fakeModuleForTests struct {
+	ModuleBase
+}
+
+func fakeModuleFactory() Module {
+	module := &fakeModuleForTests{}
+	InitAndroidModule(module)
+	return module
+}
+
+func (*fakeModuleForTests) GenerateAndroidBuildActions(ModuleContext) {}
+
+func TestTeam(t *testing.T) {
+	t.Parallel()
+	ctx := GroupFixturePreparers(
+		PrepareForTestWithTeamBuildComponents,
+		FixtureRegisterWithContext(func(ctx RegistrationContext) {
+			ctx.RegisterModuleType("fake", fakeModuleFactory)
+		}),
+	).RunTestWithBp(t, `
+		fake {
+			name: "main_test",
+			team: "someteam",
+		}
+		team {
+			name: "someteam",
+			trendy_team_id: "cool_team",
+		}
+
+		team {
+			name: "team2",
+			trendy_team_id: "22222",
+		}
+
+		fake {
+			name: "tool",
+			team: "team2",
+		}
+	`)
+
+	// Assert the rule from GenerateAndroidBuildActions exists.
+	m := ctx.ModuleForTests("main_test", "")
+	AssertStringEquals(t, "msg", m.Module().base().Team(), "someteam")
+	m = ctx.ModuleForTests("tool", "")
+	AssertStringEquals(t, "msg", m.Module().base().Team(), "team2")
+}
+
+func TestMissingTeamFails(t *testing.T) {
+	t.Parallel()
+	GroupFixturePreparers(
+		PrepareForTestWithTeamBuildComponents,
+		FixtureRegisterWithContext(func(ctx RegistrationContext) {
+			ctx.RegisterModuleType("fake", fakeModuleFactory)
+		}),
+	).
+		ExtendWithErrorHandler(FixtureExpectsAtLeastOneErrorMatchingPattern("depends on undefined module \"ring-bearer")).
+		RunTestWithBp(t, `
+		fake {
+			name: "you_cannot_pass",
+			team: "ring-bearer",
+		}
+	`)
+}
+
+func TestPackageBadTeamNameFails(t *testing.T) {
+	t.Parallel()
+	GroupFixturePreparers(
+		PrepareForTestWithTeamBuildComponents,
+		PrepareForTestWithPackageModule,
+		FixtureRegisterWithContext(func(ctx RegistrationContext) {
+			ctx.RegisterModuleType("fake", fakeModuleFactory)
+		}),
+	).
+		ExtendWithErrorHandler(FixtureExpectsAtLeastOneErrorMatchingPattern("depends on undefined module \"ring-bearer")).
+		RunTestWithBp(t, `
+		package {
+			default_team: "ring-bearer",
+		}
+	`)
+}
diff --git a/android/testing.go b/android/testing.go
index 78afaa5..7b4411e 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -725,7 +725,6 @@
 //   - Depfile
 //   - Rspfile
 //   - RspfileContent
-//   - SymlinkOutputs
 //   - CommandDeps
 //   - CommandOrderOnly
 //
@@ -747,8 +746,6 @@
 	bparams.Depfile = normalizeWritablePathRelativeToTop(bparams.Depfile)
 	bparams.Output = normalizeWritablePathRelativeToTop(bparams.Output)
 	bparams.Outputs = bparams.Outputs.RelativeToTop()
-	bparams.SymlinkOutput = normalizeWritablePathRelativeToTop(bparams.SymlinkOutput)
-	bparams.SymlinkOutputs = bparams.SymlinkOutputs.RelativeToTop()
 	bparams.ImplicitOutput = normalizeWritablePathRelativeToTop(bparams.ImplicitOutput)
 	bparams.ImplicitOutputs = bparams.ImplicitOutputs.RelativeToTop()
 	bparams.Input = normalizePathRelativeToTop(bparams.Input)
@@ -766,7 +763,6 @@
 	rparams.Depfile = normalizeStringRelativeToTop(p.config, rparams.Depfile)
 	rparams.Rspfile = normalizeStringRelativeToTop(p.config, rparams.Rspfile)
 	rparams.RspfileContent = normalizeStringRelativeToTop(p.config, rparams.RspfileContent)
-	rparams.SymlinkOutputs = normalizeStringArrayRelativeToTop(p.config, rparams.SymlinkOutputs)
 	rparams.CommandDeps = normalizeStringArrayRelativeToTop(p.config, rparams.CommandDeps)
 	rparams.CommandOrderOnly = normalizeStringArrayRelativeToTop(p.config, rparams.CommandOrderOnly)
 
@@ -1125,6 +1121,7 @@
 	}
 
 	entriesList := p.AndroidMkEntries()
+	aconfigUpdateAndroidMkEntries(ctx, mod.(Module), &entriesList)
 	for i, _ := range entriesList {
 		entriesList[i].fillInEntries(ctx, mod)
 	}
@@ -1140,6 +1137,7 @@
 	}
 	data := p.AndroidMk()
 	data.fillInData(ctx, mod)
+	aconfigUpdateAndroidMkData(ctx, mod.(Module), &data)
 	return data
 }
 
diff --git a/android/util.go b/android/util.go
index 51313ce..363b31c 100644
--- a/android/util.go
+++ b/android/util.go
@@ -15,6 +15,7 @@
 package android
 
 import (
+	"cmp"
 	"fmt"
 	"path/filepath"
 	"reflect"
@@ -106,15 +107,8 @@
 	return SortedKeys(m)
 }
 
-type Ordered interface {
-	~string |
-		~float32 | ~float64 |
-		~int | ~int8 | ~int16 | ~int32 | ~int64 |
-		~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr
-}
-
 // SortedKeys returns the keys of the given map in the ascending order.
-func SortedKeys[T Ordered, V any](m map[T]V) []T {
+func SortedKeys[T cmp.Ordered, V any](m map[T]V) []T {
 	if len(m) == 0 {
 		return nil
 	}
diff --git a/android/util_test.go b/android/util_test.go
index 699135b..8e73d83 100644
--- a/android/util_test.go
+++ b/android/util_test.go
@@ -15,6 +15,7 @@
 package android
 
 import (
+	"cmp"
 	"fmt"
 	"reflect"
 	"strconv"
@@ -650,7 +651,7 @@
 	}
 }
 
-func testSortedKeysHelper[K Ordered, V any](t *testing.T, name string, input map[K]V, expected []K) {
+func testSortedKeysHelper[K cmp.Ordered, V any](t *testing.T, name string, input map[K]V, expected []K) {
 	t.Helper()
 	t.Run(name, func(t *testing.T) {
 		actual := SortedKeys(input)
diff --git a/apex/androidmk.go b/apex/androidmk.go
index bc68ad3..619be8d 100644
--- a/apex/androidmk.go
+++ b/apex/androidmk.go
@@ -124,6 +124,10 @@
 		pathForSymbol := filepath.Join("$(PRODUCT_OUT)", "apex", apexBundleName, fi.installDir)
 		modulePath := pathForSymbol
 		fmt.Fprintln(w, "LOCAL_MODULE_PATH :=", modulePath)
+		// AconfigUpdateAndroidMkData may have added elements to Extra.  Process them here.
+		for _, extra := range apexAndroidMkData.Extra {
+			extra(w, fi.builtFile)
+		}
 
 		// For non-flattend APEXes, the merged notice file is attached to the APEX itself.
 		// We don't need to have notice file for the individual modules in it. Otherwise,
@@ -229,6 +233,7 @@
 
 func (a *apexBundle) androidMkForType() android.AndroidMkData {
 	return android.AndroidMkData{
+		// While we do not provide a value for `Extra`, AconfigUpdateAndroidMkData may add some, which we must honor.
 		Custom: func(w io.Writer, name, prefix, moduleDir string, data android.AndroidMkData) {
 			moduleNames := []string{}
 			if a.installable() {
@@ -269,6 +274,10 @@
 
 			android.AndroidMkEmitAssignList(w, "LOCAL_OVERRIDES_MODULES", a.overridableProperties.Overrides)
 			a.writeRequiredModules(w, moduleNames)
+			// AconfigUpdateAndroidMkData may have added elements to Extra.  Process them here.
+			for _, extra := range data.Extra {
+				extra(w, a.outputFile)
+			}
 
 			fmt.Fprintln(w, "include $(BUILD_PREBUILT)")
 			fmt.Fprintln(w, "ALL_MODULES.$(my_register_name).BUNDLE :=", a.bundleModuleFile.String())
diff --git a/apex/apex.go b/apex/apex.go
index 4924311..276ac80 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -929,12 +929,6 @@
 
 var DCLAInfoProvider = blueprint.NewMutatorProvider[DCLAInfo]("apex_info")
 
-type ApexBundleInfo struct {
-	Contents *android.ApexContents
-}
-
-var ApexBundleInfoProvider = blueprint.NewMutatorProvider[ApexBundleInfo]("apex_info")
-
 var _ ApexInfoMutator = (*apexBundle)(nil)
 
 func (a *apexBundle) ApexVariationName() string {
@@ -1035,7 +1029,7 @@
 
 	// The membership information is saved for later access
 	apexContents := android.NewApexContents(contents)
-	android.SetProvider(mctx, ApexBundleInfoProvider, ApexBundleInfo{
+	android.SetProvider(mctx, android.ApexBundleInfoProvider, android.ApexBundleInfo{
 		Contents: apexContents,
 	})
 
@@ -1243,7 +1237,7 @@
 	if _, ok := mctx.Module().(android.ApexModule); ok {
 		var contents []*android.ApexContents
 		for _, testFor := range mctx.GetDirectDepsWithTag(testForTag) {
-			abInfo, _ := android.OtherModuleProvider(mctx, testFor, ApexBundleInfoProvider)
+			abInfo, _ := android.OtherModuleProvider(mctx, testFor, android.ApexBundleInfoProvider)
 			contents = append(contents, abInfo.Contents)
 		}
 		android.SetProvider(mctx, android.ApexTestForInfoProvider, android.ApexTestForInfo{
@@ -2192,7 +2186,7 @@
 			af := apexFileForNativeLibrary(ctx, ch, vctx.handleSpecialLibs)
 			af.transitiveDep = true
 
-			abInfo, _ := android.ModuleProvider(ctx, ApexBundleInfoProvider)
+			abInfo, _ := android.ModuleProvider(ctx, android.ApexBundleInfoProvider)
 			if !abInfo.Contents.DirectlyInApex(depName) && (ch.IsStubs() || ch.HasStubsVariants()) {
 				// If the dependency is a stubs lib, don't include it in this APEX,
 				// but make sure that the lib is installed on the device.
@@ -2658,7 +2652,7 @@
 		return
 	}
 
-	abInfo, _ := android.ModuleProvider(ctx, ApexBundleInfoProvider)
+	abInfo, _ := android.ModuleProvider(ctx, android.ApexBundleInfoProvider)
 
 	a.WalkPayloadDeps(ctx, func(ctx android.ModuleContext, from blueprint.Module, to android.ApexModule, externalDep bool) bool {
 		if ccm, ok := to.(*cc.Module); ok {
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 7e67c0f..d3959ec 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -1455,6 +1455,7 @@
 			name: "libc",
 			no_libcrt: true,
 			nocrt: true,
+			no_crt_pad_segment: true,
 			stl: "none",
 			system_shared_libs: [],
 			stubs: { versions: ["1"] },
@@ -1469,6 +1470,7 @@
 			name: "libclang_rt.hwasan",
 			no_libcrt: true,
 			nocrt: true,
+			no_crt_pad_segment: true,
 			stl: "none",
 			system_shared_libs: [],
 			srcs: [""],
@@ -1511,6 +1513,7 @@
 			name: "libc",
 			no_libcrt: true,
 			nocrt: true,
+			no_crt_pad_segment: true,
 			stl: "none",
 			system_shared_libs: [],
 			stubs: { versions: ["1"] },
@@ -1521,6 +1524,7 @@
 			name: "libclang_rt.hwasan",
 			no_libcrt: true,
 			nocrt: true,
+			no_crt_pad_segment: true,
 			stl: "none",
 			system_shared_libs: [],
 			srcs: [""],
@@ -3768,13 +3772,6 @@
 				"lib64/libvndk.so",
 				"lib64/libvndksp.so"),
 		},
-		{
-			vndkVersion: "",
-			expectedFiles: append(commonFiles,
-				// Legacy VNDK APEX contains only VNDK-SP files (of core variant)
-				"lib/libvndksp.so",
-				"lib64/libvndksp.so"),
-		},
 	}
 	for _, tc := range testCases {
 		t.Run("VNDK.current with DeviceVndkVersion="+tc.vndkVersion, func(t *testing.T) {
diff --git a/apex/bootclasspath_fragment_test.go b/apex/bootclasspath_fragment_test.go
index f1e71b0..778c20a 100644
--- a/apex/bootclasspath_fragment_test.go
+++ b/apex/bootclasspath_fragment_test.go
@@ -316,6 +316,7 @@
 		java.CheckModuleDependencies(t, result.TestContext, "com.android.art", "android_common_com.android.art", []string{
 			`art-bootclasspath-fragment`,
 			`com.android.art.key`,
+			`dex2oatd`,
 		})
 
 		// Make sure that the source bootclasspath_fragment copies its dex files to the predefined
@@ -387,6 +388,7 @@
 		java.CheckModuleDependencies(t, result.TestContext, "com.android.art", "android_common_com.android.art", []string{
 			`art-bootclasspath-fragment`,
 			`com.android.art.key`,
+			`dex2oatd`,
 			`prebuilt_com.android.art`,
 		})
 
@@ -650,6 +652,7 @@
 	})
 
 	java.CheckModuleDependencies(t, result.TestContext, "myapex", "android_common_myapex", []string{
+		`dex2oatd`,
 		`myapex.key`,
 		`mybootclasspathfragment`,
 	})
diff --git a/apex/deapexer.go b/apex/deapexer.go
index 5ff622c..a673108 100644
--- a/apex/deapexer.go
+++ b/apex/deapexer.go
@@ -53,6 +53,10 @@
 	// all architectures, e.g. java.
 	CommonModules []string
 
+	// List of modules that use an embedded .prof to guide optimization of the equivalent dexpreopt artifact
+	// This is a subset of CommonModules
+	DexpreoptProfileGuidedModules []string
+
 	// List of files exported from the .apex file by this module
 	//
 	// Each entry is a path from the apex root, e.g. javalib/core-libart.jar.
@@ -128,6 +132,7 @@
 	if len(exports) > 0 {
 		// Make the information available for other modules.
 		di := android.NewDeapexerInfo(apexModuleName(ctx.ModuleName()), exports, p.properties.CommonModules)
+		di.AddDexpreoptProfileGuidedExportedModuleNames(p.properties.DexpreoptProfileGuidedModules...)
 		android.SetProvider(ctx, android.DeapexerProvider, di)
 
 		// Create a sorted list of the files that this exports.
diff --git a/apex/dexpreopt_bootjars_test.go b/apex/dexpreopt_bootjars_test.go
index d9ab8fa..7a17f50 100644
--- a/apex/dexpreopt_bootjars_test.go
+++ b/apex/dexpreopt_bootjars_test.go
@@ -164,6 +164,7 @@
 		"out/soong/dexpreopt_arm64/dex_bootjars_input/baz.jar",
 		"out/soong/.intermediates/art-bootclasspath-fragment/android_common_apex10000/art-bootclasspath-fragment/boot.prof",
 		"out/soong/.intermediates/default/java/dex_bootjars/android_common/boot/boot.prof",
+		"out/soong/dexpreopt/uffd_gc_flag.txt",
 	}
 
 	expectedOutputs := []string{
@@ -201,6 +202,7 @@
 		"out/soong/dexpreopt_arm64/dex_bootjars_input/baz.jar",
 		"out/soong/.intermediates/prebuilt_com.android.art.deapexer/android_common/deapexer/etc/boot-image.prof",
 		"out/soong/.intermediates/default/java/dex_bootjars/android_common/boot/boot.prof",
+		"out/soong/dexpreopt/uffd_gc_flag.txt",
 	}
 
 	expectedOutputs := []string{
diff --git a/apex/platform_bootclasspath_test.go b/apex/platform_bootclasspath_test.go
index 161941d..2bd3159 100644
--- a/apex/platform_bootclasspath_test.go
+++ b/apex/platform_bootclasspath_test.go
@@ -155,7 +155,7 @@
 	info, _ := android.SingletonModuleProvider(result, pbcp, java.MonolithicHiddenAPIInfoProvider)
 
 	for _, category := range java.HiddenAPIFlagFileCategories {
-		name := category.PropertyName
+		name := category.PropertyName()
 		message := fmt.Sprintf("category %s", name)
 		filename := strings.ReplaceAll(name, "_", "-")
 		expected := []string{fmt.Sprintf("%s.txt", filename), fmt.Sprintf("bar-%s.txt", filename)}
diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index 1ec38eb..399d9b9 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -201,6 +201,10 @@
 	if !p.hasExportedDeps() {
 		return
 	}
+	// If this prebuilt apex has not been selected, return
+	if p.IsHideFromMake() {
+		return
+	}
 	// Use apex_name to determine the api domain of this prebuilt apex
 	apexName := p.ApexVariationName()
 	di, err := android.FindDeapexerProviderForModule(ctx)
@@ -438,7 +442,7 @@
 
 	// Create contents for the prebuilt_apex and store it away for later use.
 	apexContents := android.NewApexContents(contents)
-	android.SetProvider(mctx, ApexBundleInfoProvider, ApexBundleInfo{
+	android.SetProvider(mctx, android.ApexBundleInfoProvider, android.ApexBundleInfo{
 		Contents: apexContents,
 	})
 
@@ -625,6 +629,7 @@
 
 	// Compute the deapexer properties from the transitive dependencies of this module.
 	commonModules := []string{}
+	dexpreoptProfileGuidedModules := []string{}
 	exportedFiles := []string{}
 	ctx.WalkDeps(func(child, parent android.Module) bool {
 		tag := ctx.OtherModuleDependencyTag(child)
@@ -638,9 +643,14 @@
 		if _, ok := tag.(android.RequiresFilesFromPrebuiltApexTag); ok {
 			commonModules = append(commonModules, name)
 
-			requiredFiles := child.(android.RequiredFilesFromPrebuiltApex).RequiredFilesFromPrebuiltApex(ctx)
+			extract := child.(android.RequiredFilesFromPrebuiltApex)
+			requiredFiles := extract.RequiredFilesFromPrebuiltApex(ctx)
 			exportedFiles = append(exportedFiles, requiredFiles...)
 
+			if extract.UseProfileGuidedDexpreopt() {
+				dexpreoptProfileGuidedModules = append(dexpreoptProfileGuidedModules, name)
+			}
+
 			// Visit the dependencies of this module just in case they also require files from the
 			// prebuilt apex.
 			return true
@@ -653,7 +663,8 @@
 	deapexerProperties := &DeapexerProperties{
 		// Remove any duplicates from the common modules lists as a module may be included via a direct
 		// dependency as well as transitive ones.
-		CommonModules: android.SortedUniqueStrings(commonModules),
+		CommonModules:                 android.SortedUniqueStrings(commonModules),
+		DexpreoptProfileGuidedModules: android.SortedUniqueStrings(dexpreoptProfileGuidedModules),
 	}
 
 	// Populate the exported files property in a fixed order.
diff --git a/apex/systemserver_classpath_fragment_test.go b/apex/systemserver_classpath_fragment_test.go
index 01629c9..f6c53b2 100644
--- a/apex/systemserver_classpath_fragment_test.go
+++ b/apex/systemserver_classpath_fragment_test.go
@@ -106,6 +106,7 @@
 	})
 
 	java.CheckModuleDependencies(t, ctx, "myapex", "android_common_myapex", []string{
+		`dex2oatd`,
 		`myapex.key`,
 		`mysystemserverclasspathfragment`,
 	})
@@ -162,6 +163,7 @@
 	})
 
 	java.CheckModuleDependencies(t, result.TestContext, "myapex", "android_common_myapex", []string{
+		`dex2oatd`,
 		`myapex.key`,
 		`mysystemserverclasspathfragment`,
 	})
@@ -290,8 +292,8 @@
 		"javalib/bar.jar.prof",
 	})
 
-	assertProfileGuided(t, ctx, "foo", "android_common_myapex", false)
-	assertProfileGuided(t, ctx, "bar", "android_common_myapex", true)
+	assertProfileGuidedPrebuilt(t, ctx, "myapex", "foo", false)
+	assertProfileGuidedPrebuilt(t, ctx, "myapex", "bar", true)
 }
 
 func TestSystemserverclasspathFragmentStandaloneContents(t *testing.T) {
@@ -441,8 +443,8 @@
 		"javalib/bar.jar.prof",
 	})
 
-	assertProfileGuided(t, ctx, "foo", "android_common_myapex", false)
-	assertProfileGuided(t, ctx, "bar", "android_common_myapex", true)
+	assertProfileGuidedPrebuilt(t, ctx, "myapex", "foo", false)
+	assertProfileGuidedPrebuilt(t, ctx, "myapex", "bar", true)
 }
 
 func assertProfileGuided(t *testing.T, ctx *android.TestContext, moduleName string, variant string, expected bool) {
@@ -452,3 +454,11 @@
 		t.Fatalf("Expected profile-guided to be %v, got %v", expected, actual)
 	}
 }
+
+func assertProfileGuidedPrebuilt(t *testing.T, ctx *android.TestContext, apexName string, moduleName string, expected bool) {
+	dexpreopt := ctx.ModuleForTests(apexName, "android_common_"+apexName).Rule("dexpreopt." + moduleName)
+	actual := strings.Contains(dexpreopt.RuleParams.Command, "--profile-file=")
+	if expected != actual {
+		t.Fatalf("Expected profile-guided to be %v, got %v", expected, actual)
+	}
+}
diff --git a/apex/vndk_test.go b/apex/vndk_test.go
index e2aee96..894aece 100644
--- a/apex/vndk_test.go
+++ b/apex/vndk_test.go
@@ -8,66 +8,6 @@
 	"android/soong/android"
 )
 
-func TestVndkApexForVndkLite(t *testing.T) {
-	ctx := testApex(t, `
-		apex_vndk {
-			name: "com.android.vndk.current",
-			key: "com.android.vndk.current.key",
-			updatable: false,
-		}
-
-		apex_key {
-			name: "com.android.vndk.current.key",
-			public_key: "testkey.avbpubkey",
-			private_key: "testkey.pem",
-		}
-
-		cc_library {
-			name: "libvndk",
-			srcs: ["mylib.cpp"],
-			vendor_available: true,
-			product_available: true,
-			vndk: {
-				enabled: true,
-			},
-			system_shared_libs: [],
-			stl: "none",
-			apex_available: [ "com.android.vndk.current" ],
-		}
-
-		cc_library {
-			name: "libvndksp",
-			srcs: ["mylib.cpp"],
-			vendor_available: true,
-			product_available: true,
-			vndk: {
-				enabled: true,
-				support_system_process: true,
-			},
-			system_shared_libs: [],
-			stl: "none",
-			apex_available: [ "com.android.vndk.current" ],
-		}
-	`+vndkLibrariesTxtFiles("current"),
-		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
-			variables.DeviceVndkVersion = proptools.StringPtr("")
-			variables.KeepVndk = proptools.BoolPtr(true)
-		}),
-	)
-	// VNDK-Lite contains only core variants of VNDK-Sp libraries
-	ensureExactContents(t, ctx, "com.android.vndk.current", "android_common", []string{
-		"lib/libvndksp.so",
-		"lib/libc++.so",
-		"lib64/libvndksp.so",
-		"lib64/libc++.so",
-		"etc/llndk.libraries.29.txt",
-		"etc/vndkcore.libraries.29.txt",
-		"etc/vndksp.libraries.29.txt",
-		"etc/vndkprivate.libraries.29.txt",
-		"etc/vndkproduct.libraries.29.txt",
-	})
-}
-
 func TestVndkApexUsesVendorVariant(t *testing.T) {
 	bp := `
 		apex_vndk {
diff --git a/bin/soongdbg b/bin/soongdbg
new file mode 100755
index 0000000..132a0f0
--- /dev/null
+++ b/bin/soongdbg
@@ -0,0 +1,313 @@
+#!/usr/bin/env python3
+
+import argparse
+import fnmatch
+import json
+import os
+import pathlib
+import types
+import sys
+
+
+class Graph:
+    def __init__(self, modules):
+        def get_or_make_node(dictionary, id, module):
+            node = dictionary.get(id)
+            if node:
+                if module and not node.module:
+                    node.module = module
+                return node
+            node = Node(id, module)
+            dictionary[id] = node
+            return node
+        self.nodes = dict()
+        for module in modules.values():
+            node = get_or_make_node(self.nodes, module.id, module)
+            for d in module.deps:
+                dep = get_or_make_node(self.nodes, d.id, None)
+                node.deps.add(dep)
+                dep.rdeps.add(node)
+
+    def find_paths(self, id1, id2):
+        # Throws KeyError if one of the names isn't found
+        def recurse(node1, node2, visited):
+            result = set()
+            for dep in node1.rdeps:
+                if dep == node2:
+                    result.add(node2)
+                if dep not in visited:
+                    visited.add(dep)
+                    found = recurse(dep, node2, visited)
+                    if found:
+                        result |= found
+                        result.add(dep)
+            return result
+        node1 = self.nodes[id1]
+        node2 = self.nodes[id2]
+        # Take either direction
+        p = recurse(node1, node2, set())
+        if p:
+            p.add(node1)
+            return p
+        p = recurse(node2, node1, set())
+        p.add(node2)
+        return p
+
+
+class Node:
+    def __init__(self, id, module):
+        self.id = id
+        self.module = module
+        self.deps = set()
+        self.rdeps = set()
+
+
+PROVIDERS = [
+    "android/soong/java.JarJarProviderData",
+    "android/soong/java.BaseJarJarProviderData",
+]
+
+
+def format_node_label(node):
+    if not node.module:
+        return node.id
+    if node.module.debug:
+        module_debug = f"<tr><td>{node.module.debug}</td></tr>"
+    else:
+        module_debug = ""
+
+    result = (f"<<table border=\"0\" cellborder=\"0\" cellspacing=\"0\" cellpadding=\"0\">"
+            + f"<tr><td><b>{node.module.name}</b></td></tr>"
+            + module_debug
+            + f"<tr><td>{node.module.type}</td></tr>")
+    for p in node.module.providers:
+        if p.type in PROVIDERS:
+            result += "<tr><td><font color=\"#666666\">" + format_provider(p) + "</font></td></tr>"
+    result += "</table>>"
+    return result
+
+
+def format_source_pos(file, lineno):
+    result = file
+    if lineno:
+        result += f":{lineno}"
+    return result
+
+
+STRIP_TYPE_PREFIXES = [
+    "android/soong/",
+    "github.com/google/",
+]
+
+
+def format_provider(provider):
+    result = ""
+    for prefix in STRIP_TYPE_PREFIXES:
+        if provider.type.startswith(prefix):
+            result = provider.type[len(prefix):]
+            break
+    if not result:
+        result = provider.type
+    if True and provider.debug:
+        result += " (" + provider.debug + ")"
+    return result
+
+
+def load_soong_debug():
+    # Read the json
+    try:
+        with open(SOONG_DEBUG_DATA_FILENAME) as f:
+            info = json.load(f, object_hook=lambda d: types.SimpleNamespace(**d))
+    except IOError:
+        sys.stderr.write(f"error: Unable to open {SOONG_DEBUG_DATA_FILENAME}. Make sure you have"
+                         + " built with GENERATE_SOONG_DEBUG.\n")
+        sys.exit(1)
+
+    # Construct IDs, which are name + variant if the
+    name_counts = dict()
+    for m in info.modules:
+        name_counts[m.name] = name_counts.get(m.name, 0) + 1
+    def get_id(m):
+        result = m.name
+        if name_counts[m.name] > 1 and m.variant:
+            result += "@@" + m.variant
+        return result
+    for m in info.modules:
+        m.id = get_id(m)
+        for dep in m.deps:
+            dep.id = get_id(dep)
+
+    return info
+
+
+def load_modules():
+    info = load_soong_debug()
+
+    # Filter out unnamed modules
+    modules = dict()
+    for m in info.modules:
+        if not m.name:
+            continue
+        modules[m.id] = m
+
+    return modules
+
+
+def load_graph():
+    modules=load_modules()
+    return Graph(modules)
+
+
+def module_selection_args(parser):
+    parser.add_argument("modules", nargs="*",
+                        help="Modules to match. Can be glob-style wildcards.")
+    parser.add_argument("--provider", nargs="+",
+                        help="Match the given providers.")
+    parser.add_argument("--dep", nargs="+",
+                        help="Match the given providers.")
+
+
+def load_and_filter_modules(args):
+    # Which modules are printed
+    matchers = []
+    if args.modules:
+        matchers.append(lambda m: [True for pattern in args.modules
+                                   if fnmatch.fnmatchcase(m.name, pattern)])
+    if args.provider:
+        matchers.append(lambda m: [True for pattern in args.provider
+                                   if [True for p in m.providers if p.type.endswith(pattern)]])
+    if args.dep:
+        matchers.append(lambda m: [True for pattern in args.dep
+                                   if [True for d in m.deps if d.id == pattern]])
+
+    if not matchers:
+        sys.stderr.write("error: At least one module matcher must be supplied\n")
+        sys.exit(1)
+
+    info = load_soong_debug()
+    for m in sorted(info.modules, key=lambda m: (m.name, m.variant)):
+        if len([matcher for matcher in matchers if matcher(m)]) == len(matchers):
+            yield m
+
+
+def print_nodes(nodes):
+    print("digraph {")
+    for node in nodes:
+        print(f"\"{node.id}\"[label={format_node_label(node)}];")
+        for dep in node.deps:
+            if dep in nodes:
+                print(f"\"{node.id}\" -> \"{dep.id}\";")
+    print("}")
+
+
+def get_deps(nodes, root):
+    if root in nodes:
+        return
+    nodes.add(root)
+    for dep in root.deps:
+        get_deps(nodes, dep)
+
+
+class BetweenCommand:
+    help = "Print the module graph between two nodes."
+
+    def args(self, parser):
+        parser.add_argument("module", nargs=2,
+                            help="The two modules")
+
+    def run(self, args):
+        graph = load_graph()
+        print_nodes(graph.find_paths(args.module[0], args.module[1]))
+
+
+class DepsCommand:
+    help = "Print the module graph of dependencies of one or more modules"
+
+    def args(self, parser):
+        parser.add_argument("module", nargs="+",
+                            help="Module to print dependencies of")
+
+    def run(self, args):
+        graph = load_graph()
+        nodes = set()
+        err = False
+        for id in sys.argv[3:]:
+            root = graph.nodes.get(id)
+            if not root:
+                sys.stderr.write(f"error: Can't find root: {id}\n")
+                err = True
+                continue
+            get_deps(nodes, root)
+        if err:
+            sys.exit(1)
+        print_nodes(nodes)
+
+
+class IdCommand:
+    help = "Print the id (name + variant) of matching modules"
+
+    def args(self, parser):
+        module_selection_args(parser)
+
+    def run(self, args):
+        for m in load_and_filter_modules(args):
+            print(m.id)
+
+
+class QueryCommand:
+    help = "Query details about modules"
+
+    def args(self, parser):
+        module_selection_args(parser)
+
+    def run(self, args):
+        for m in load_and_filter_modules(args):
+            print(m.id)
+            print(f"    type:     {m.type}")
+            print(f"    location: {format_source_pos(m.source_file, m.source_line)}")
+            for p in m.providers:
+                print(f"    provider: {format_provider(p)}")
+            for d in m.deps:
+                print(f"    dep:      {d.id}")
+
+
+COMMANDS = {
+    "between": BetweenCommand(),
+    "deps": DepsCommand(),
+    "id": IdCommand(),
+    "query": QueryCommand(),
+}
+
+
+def assert_env(name):
+    val = os.getenv(name)
+    if not val:
+        sys.stderr.write(f"{name} not set. please make sure you've run lunch.")
+    return val
+
+ANDROID_BUILD_TOP = assert_env("ANDROID_BUILD_TOP")
+
+TARGET_PRODUCT = assert_env("TARGET_PRODUCT")
+OUT_DIR = os.getenv("OUT_DIR")
+if not OUT_DIR:
+    OUT_DIR = "out"
+if OUT_DIR[0] != "/":
+    OUT_DIR = pathlib.Path(ANDROID_BUILD_TOP).joinpath(OUT_DIR)
+SOONG_DEBUG_DATA_FILENAME = pathlib.Path(OUT_DIR).joinpath("soong/soong-debug-info.json")
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    subparsers = parser.add_subparsers(required=True, dest="command")
+    for name in sorted(COMMANDS.keys()):
+        command = COMMANDS[name]
+        subparser = subparsers.add_parser(name, help=command.help)
+        command.args(subparser)
+    args = parser.parse_args()
+    COMMANDS[args.command].run(args)
+    sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()
+
diff --git a/bpf/bpf.go b/bpf/bpf.go
index 32d62b5..e1b512f 100644
--- a/bpf/bpf.go
+++ b/bpf/bpf.go
@@ -231,6 +231,10 @@
 				fmt.Fprintln(w, "LOCAL_MODULE_STEM :=", obj.Base())
 				fmt.Fprintln(w, "LOCAL_MODULE_CLASS := ETC")
 				fmt.Fprintln(w, localModulePath)
+				// AconfigUpdateAndroidMkData may have added elements to Extra.  Process them here.
+				for _, extra := range data.Extra {
+					extra(w, nil)
+				}
 				fmt.Fprintln(w, "include $(BUILD_PREBUILT)")
 				fmt.Fprintln(w)
 			}
diff --git a/cc/androidmk.go b/cc/androidmk.go
index fe542b0..20673e8 100644
--- a/cc/androidmk.go
+++ b/cc/androidmk.go
@@ -83,8 +83,9 @@
 		// causing multiple ART APEXes (com.android.art and com.android.art.debug)
 		// to be installed. And this is breaking some older devices (like marlin)
 		// where system.img is small.
-		Required: c.Properties.AndroidMkRuntimeLibs,
-		Include:  "$(BUILD_SYSTEM)/soong_cc_rust_prebuilt.mk",
+		Required:     c.Properties.AndroidMkRuntimeLibs,
+		OverrideName: c.BaseModuleName(),
+		Include:      "$(BUILD_SYSTEM)/soong_cc_rust_prebuilt.mk",
 
 		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
 			func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
@@ -106,7 +107,6 @@
 				}
 				entries.SetString("LOCAL_SOONG_LINK_TYPE", c.makeLinkType)
 				if c.InVendorOrProduct() {
-					entries.SetBool("LOCAL_USE_VNDK", true)
 					if c.IsVndk() && !c.static() {
 						entries.SetString("LOCAL_SOONG_VNDK_VERSION", c.VndkVersion())
 						// VNDK libraries available to vendor are not installed because
@@ -116,6 +116,11 @@
 						}
 					}
 				}
+				if c.InVendor() {
+					entries.SetBool("LOCAL_IN_VENDOR", true)
+				} else if c.InProduct() {
+					entries.SetBool("LOCAL_IN_PRODUCT", true)
+				}
 				if c.Properties.IsSdkVariant && c.Properties.SdkAndPlatformVariantVisibleToMake {
 					// Make the SDK variant uninstallable so that there are not two rules to install
 					// to the same location.
diff --git a/cc/cc.go b/cc/cc.go
index 1a9c7bf..449d38f 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -1606,9 +1606,10 @@
 
 func (ctx *moduleContextImpl) sdkVersion() string {
 	if ctx.ctx.Device() {
-		if ctx.useVndk() {
+		config := ctx.ctx.Config()
+		if !config.IsVndkDeprecated() && ctx.useVndk() {
 			vndkVer := ctx.mod.VndkVersion()
-			if inList(vndkVer, ctx.ctx.Config().PlatformVersionActiveCodenames()) {
+			if inList(vndkVer, config.PlatformVersionActiveCodenames()) {
 				return "current"
 			}
 			return vndkVer
@@ -1626,6 +1627,17 @@
 	if ver == "apex_inherit" || ver == "" {
 		ver = ctx.sdkVersion()
 	}
+
+	if ctx.ctx.Device() {
+		config := ctx.ctx.Config()
+		if config.IsVndkDeprecated() && ctx.inVendor() {
+			// If building for vendor with final API, then use the latest _stable_ API as "current".
+			if config.VendorApiLevelFrozen() && (ver == "" || ver == "current") {
+				ver = config.PlatformSdkVersion().String()
+			}
+		}
+	}
+
 	// For crt objects, the meaning of min_sdk_version is very different from other types of
 	// module. For them, min_sdk_version defines the oldest version that the build system will
 	// create versioned variants for. For example, if min_sdk_version is 16, then sdk variant of
@@ -1742,7 +1754,7 @@
 }
 
 func (ctx *moduleContextImpl) baseModuleName() string {
-	return ctx.mod.ModuleBase.BaseModuleName()
+	return ctx.mod.BaseModuleName()
 }
 
 func (ctx *moduleContextImpl) getVndkExtendsModuleName() string {
@@ -4171,6 +4183,18 @@
 	return ""
 }
 
+type sourceModuleName interface {
+	sourceModuleName() string
+}
+
+func (c *Module) BaseModuleName() string {
+	if smn, ok := c.linker.(sourceModuleName); ok && smn.sourceModuleName() != "" {
+		// if the prebuilt module sets a source_module_name in Android.bp, use that
+		return smn.sourceModuleName()
+	}
+	return c.ModuleBase.BaseModuleName()
+}
+
 var Bool = proptools.Bool
 var BoolDefault = proptools.BoolDefault
 var BoolPtr = proptools.BoolPtr
diff --git a/cc/cc_test.go b/cc/cc_test.go
index 321bd38..6cc500b 100644
--- a/cc/cc_test.go
+++ b/cc/cc_test.go
@@ -43,6 +43,7 @@
 	android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
 		variables.VendorApiLevel = StringPtr("202404")
 		variables.DeviceVndkVersion = StringPtr("current")
+		variables.KeepVndk = BoolPtr(true)
 		variables.Platform_vndk_version = StringPtr("29")
 	}),
 )
@@ -4843,3 +4844,43 @@
 	testDepWithVariant("vendor")
 	testDepWithVariant("product")
 }
+
+func TestVendorSdkVersionWithoutVndk(t *testing.T) {
+	t.Parallel()
+
+	bp := `
+		cc_library {
+			name: "libfoo",
+			srcs: ["libfoo.cc"],
+			vendor_available: true,
+		}
+
+		cc_library {
+			name: "libbar",
+			srcs: ["libbar.cc"],
+			vendor_available: true,
+			min_sdk_version: "29",
+		}
+	`
+
+	ctx := prepareForCcTestWithoutVndk.RunTestWithBp(t, bp)
+	testSdkVersionFlag := func(module, version string) {
+		flags := ctx.ModuleForTests(module, "android_vendor_arm64_armv8-a_static").Rule("cc").Args["cFlags"]
+		android.AssertStringDoesContain(t, "min sdk version", flags, "-target aarch64-linux-android"+version)
+	}
+
+	testSdkVersionFlag("libfoo", "10000")
+	testSdkVersionFlag("libbar", "29")
+
+	ctx = android.GroupFixturePreparers(
+		prepareForCcTestWithoutVndk,
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			if variables.BuildFlags == nil {
+				variables.BuildFlags = make(map[string]string)
+			}
+			variables.BuildFlags["RELEASE_BOARD_API_LEVEL_FROZEN"] = "true"
+		}),
+	).RunTestWithBp(t, bp)
+	testSdkVersionFlag("libfoo", "30")
+	testSdkVersionFlag("libbar", "29")
+}
diff --git a/cc/compiler.go b/cc/compiler.go
index c57b72c..de1ae71 100644
--- a/cc/compiler.go
+++ b/cc/compiler.go
@@ -116,6 +116,10 @@
 	// if set to false, use -std=c++* instead of -std=gnu++*
 	Gnu_extensions *bool
 
+	// cc Build rules targeting BPF must set this to true. The correct fix is to
+	// ban targeting bpf in cc rules instead use bpf_rules. (b/323415017)
+	Bpf_target *bool
+
 	Yacc *YaccProperties
 	Lex  *LexProperties
 
@@ -483,6 +487,11 @@
 		}
 	}
 
+	// bpf targets don't need the default target triple. b/308826679
+	if proptools.Bool(compiler.Properties.Bpf_target) {
+		target = "--target=bpf"
+	}
+
 	flags.Global.CFlags = append(flags.Global.CFlags, target)
 	flags.Global.AsFlags = append(flags.Global.AsFlags, target)
 	flags.Global.LdFlags = append(flags.Global.LdFlags, target)
@@ -498,8 +507,12 @@
 
 	flags.Global.AsFlags = append(flags.Global.AsFlags, tc.Asflags())
 	flags.Global.CppFlags = append([]string{"${config.CommonGlobalCppflags}"}, flags.Global.CppFlags...)
+
+	// bpf targets don't need the target specific toolchain cflags. b/308826679
+	if !proptools.Bool(compiler.Properties.Bpf_target) {
+		flags.Global.CommonFlags = append(flags.Global.CommonFlags, tc.Cflags())
+	}
 	flags.Global.CommonFlags = append(flags.Global.CommonFlags,
-		tc.Cflags(),
 		"${config.CommonGlobalCflags}",
 		fmt.Sprintf("${config.%sGlobalCflags}", hod))
 
@@ -521,7 +534,11 @@
 
 	flags.Global.YasmFlags = append(flags.Global.YasmFlags, tc.YasmFlags())
 
-	flags.Global.CommonFlags = append(flags.Global.CommonFlags, tc.ToolchainCflags())
+	// bpf targets don't need the target specific toolchain cflags. b/308826679
+	if !proptools.Bool(compiler.Properties.Bpf_target) {
+		flags.Global.CommonFlags = append(flags.Global.CommonFlags, tc.ToolchainCflags())
+	}
+
 
 	cStd := parseCStd(compiler.Properties.C_std)
 	cppStd := parseCppStd(compiler.Properties.Cpp_std)
diff --git a/cc/config/arm_device.go b/cc/config/arm_device.go
index 3d6890c..603bc6d 100644
--- a/cc/config/arm_device.go
+++ b/cc/config/arm_device.go
@@ -28,13 +28,20 @@
 
 	armCflags = []string{
 		"-fomit-frame-pointer",
+		// Revert this after b/322359235 is fixed
+		"-mllvm", "-enable-shrink-wrap=false",
 	}
 
-	armCppflags = []string{}
+	armCppflags = []string{
+		// Revert this after b/322359235 is fixed
+		"-mllvm", "-enable-shrink-wrap=false",
+  }
 
 	armLdflags = []string{
 		"-Wl,--hash-style=gnu",
 		"-Wl,-m,armelf",
+		// Revert this after b/322359235 is fixed
+		"-Wl,-mllvm", "-Wl,-enable-shrink-wrap=false",
 	}
 
 	armLldflags = armLdflags
diff --git a/cc/config/bionic.go b/cc/config/bionic.go
index a1e3851..ed724f5 100644
--- a/cc/config/bionic.go
+++ b/cc/config/bionic.go
@@ -24,6 +24,7 @@
 	bionicCrtBeginStaticBinary, bionicCrtEndStaticBinary   = []string{"crtbegin_static"}, []string{"crtend_android"}
 	bionicCrtBeginSharedBinary, bionicCrtEndSharedBinary   = []string{"crtbegin_dynamic"}, []string{"crtend_android"}
 	bionicCrtBeginSharedLibrary, bionicCrtEndSharedLibrary = []string{"crtbegin_so"}, []string{"crtend_so"}
+	bionicCrtPadSegmentSharedLibrary                       = []string{"crt_pad_segment"}
 )
 
 func (toolchainBionic) Bionic() bool { return true }
@@ -36,9 +37,10 @@
 
 func (toolchainBionic) AvailableLibraries() []string { return nil }
 
-func (toolchainBionic) CrtBeginStaticBinary() []string  { return bionicCrtBeginStaticBinary }
-func (toolchainBionic) CrtBeginSharedBinary() []string  { return bionicCrtBeginSharedBinary }
-func (toolchainBionic) CrtBeginSharedLibrary() []string { return bionicCrtBeginSharedLibrary }
-func (toolchainBionic) CrtEndStaticBinary() []string    { return bionicCrtEndStaticBinary }
-func (toolchainBionic) CrtEndSharedBinary() []string    { return bionicCrtEndSharedBinary }
-func (toolchainBionic) CrtEndSharedLibrary() []string   { return bionicCrtEndSharedLibrary }
+func (toolchainBionic) CrtBeginStaticBinary() []string       { return bionicCrtBeginStaticBinary }
+func (toolchainBionic) CrtBeginSharedBinary() []string       { return bionicCrtBeginSharedBinary }
+func (toolchainBionic) CrtBeginSharedLibrary() []string      { return bionicCrtBeginSharedLibrary }
+func (toolchainBionic) CrtEndStaticBinary() []string         { return bionicCrtEndStaticBinary }
+func (toolchainBionic) CrtEndSharedBinary() []string         { return bionicCrtEndSharedBinary }
+func (toolchainBionic) CrtEndSharedLibrary() []string        { return bionicCrtEndSharedLibrary }
+func (toolchainBionic) CrtPadSegmentSharedLibrary() []string { return bionicCrtPadSegmentSharedLibrary }
diff --git a/cc/config/global.go b/cc/config/global.go
index ec6dbce..c562614 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -253,6 +253,14 @@
 		// http://b/161386391 for -Wno-pointer-to-int-cast
 		"-Wno-pointer-to-int-cast",
 		"-Werror=fortify-source",
+		// http://b/315246135 temporarily disabled
+		"-Wno-error=unused-variable",
+		// http://b/315250603 temporarily disabled
+		"-Wno-error=format",
+		// Disabled because it produces many false positives. http://b/323050926
+		"-Wno-missing-field-initializers",
+		// http://b/323050889
+		"-Wno-packed-non-pod",
 
 		"-Werror=address-of-temporary",
 		"-Werror=incompatible-function-pointer-types",
@@ -272,7 +280,8 @@
 		"-Wno-range-loop-construct",                 // http://b/153747076
 		"-Wno-zero-as-null-pointer-constant",        // http://b/68236239
 		"-Wno-deprecated-anon-enum-enum-conversion", // http://b/153746485
-		"-Wno-pessimizing-move",                     // http://b/154270751
+		"-Wno-deprecated-enum-enum-conversion",
+		"-Wno-pessimizing-move", // http://b/154270751
 		// New warnings to be fixed after clang-r399163
 		"-Wno-non-c-typedef-for-linkage", // http://b/161304145
 		// New warnings to be fixed after clang-r428724
@@ -286,6 +295,13 @@
 		// New warnings to be fixed after clang-r475365
 		"-Wno-error=single-bit-bitfield-constant-conversion", // http://b/243965903
 		"-Wno-error=enum-constexpr-conversion",               // http://b/243964282
+
+		// Irrelevant on Android because _we_ don't use exceptions, but causes
+		// lots of build noise because libcxx/libcxxabi do. This can probably
+		// go away when we're on a new enough libc++, but has to be global
+		// until then because it causes warnings in the _callers_, not the
+		// project itself.
+		"-Wno-deprecated-dynamic-exception-spec",
 	}
 
 	noOverride64GlobalCflags = []string{}
@@ -320,6 +336,9 @@
 
 		// http://b/239661264
 		"-Wno-deprecated-non-prototype",
+
+		"-Wno-unused",
+		"-Wno-deprecated",
 	}
 
 	// Similar to noOverrideGlobalCflags, but applies only to third-party code
@@ -340,11 +359,16 @@
 		// enabling since it's a cosmetic issue.
 		"-Wno-bitwise-instead-of-logical",
 
-		"-Wno-unused-but-set-variable",
+		"-Wno-unused",
+		"-Wno-unused-parameter",
 		"-Wno-unused-but-set-parameter",
 		"-Wno-unqualified-std-cast-call",
 		"-Wno-array-parameter",
 		"-Wno-gnu-offsetof-extensions",
+		// TODO: Enable this warning http://b/315245071
+		"-Wno-fortify-source",
+		"-Wno-tautological-negation-compare",
+		"-Wno-tautological-undefined-compare",
 	}
 
 	llvmNextExtraCommonGlobalCflags = []string{
@@ -364,8 +388,8 @@
 
 	// prebuilts/clang default settings.
 	ClangDefaultBase         = "prebuilts/clang/host"
-	ClangDefaultVersion      = "clang-r498229b"
-	ClangDefaultShortVersion = "17"
+	ClangDefaultVersion      = "clang-r510928"
+	ClangDefaultShortVersion = "18"
 
 	// Directories with warnings from Android.bp files.
 	WarningAllowedProjects = []string{
diff --git a/cc/config/riscv64_device.go b/cc/config/riscv64_device.go
index ac5f74c..deb922b 100644
--- a/cc/config/riscv64_device.go
+++ b/cc/config/riscv64_device.go
@@ -30,7 +30,9 @@
 		"-Xclang -target-feature -Xclang +unaligned-scalar-mem",
 		"-Xclang -target-feature -Xclang +unaligned-vector-mem",
 		// Until https://gitlab.com/qemu-project/qemu/-/issues/1976 is fixed...
-		"-fno-vectorize",
+		"-mno-implicit-float",
+		// (https://github.com/google/android-riscv64/issues/124)
+		"-mllvm -jump-is-expensive=false",
 	}
 
 	riscv64ArchVariantCflags = map[string][]string{}
@@ -43,7 +45,7 @@
 		"-Xclang -target-feature -Xclang +unaligned-vector-mem",
 		// We should change the default for this in clang, but for now...
 		// (https://github.com/google/android-riscv64/issues/124)
-		"-mllvm -jump-is-expensive=false",
+		"-Wl,-mllvm -Wl,-jump-is-expensive=false",
 	}
 
 	riscv64Lldflags = append(riscv64Ldflags,
diff --git a/cc/config/toolchain.go b/cc/config/toolchain.go
index 62f75d1..71e98fe 100644
--- a/cc/config/toolchain.go
+++ b/cc/config/toolchain.go
@@ -100,6 +100,7 @@
 	CrtEndStaticBinary() []string
 	CrtEndSharedBinary() []string
 	CrtEndSharedLibrary() []string
+	CrtPadSegmentSharedLibrary() []string
 
 	// DefaultSharedLibraries returns the list of shared libraries that will be added to all
 	// targets unless they explicitly specify system_shared_libs.
@@ -155,12 +156,13 @@
 
 type toolchainNoCrt struct{}
 
-func (toolchainNoCrt) CrtBeginStaticBinary() []string  { return nil }
-func (toolchainNoCrt) CrtBeginSharedBinary() []string  { return nil }
-func (toolchainNoCrt) CrtBeginSharedLibrary() []string { return nil }
-func (toolchainNoCrt) CrtEndStaticBinary() []string    { return nil }
-func (toolchainNoCrt) CrtEndSharedBinary() []string    { return nil }
-func (toolchainNoCrt) CrtEndSharedLibrary() []string   { return nil }
+func (toolchainNoCrt) CrtBeginStaticBinary() []string       { return nil }
+func (toolchainNoCrt) CrtBeginSharedBinary() []string       { return nil }
+func (toolchainNoCrt) CrtBeginSharedLibrary() []string      { return nil }
+func (toolchainNoCrt) CrtEndStaticBinary() []string         { return nil }
+func (toolchainNoCrt) CrtEndSharedBinary() []string         { return nil }
+func (toolchainNoCrt) CrtEndSharedLibrary() []string        { return nil }
+func (toolchainNoCrt) CrtPadSegmentSharedLibrary() []string { return nil }
 
 func (toolchainBase) DefaultSharedLibraries() []string {
 	return nil
diff --git a/cc/config/x86_64_device.go b/cc/config/x86_64_device.go
index ff0a3b7..b97d511 100644
--- a/cc/config/x86_64_device.go
+++ b/cc/config/x86_64_device.go
@@ -49,8 +49,9 @@
 		"goldmont-plus": []string{
 			"-march=goldmont-plus",
 		},
-		"goldmont-without-xsaves": []string{
+		"goldmont-without-sha-xsaves": []string{
 			"-march=goldmont",
+			"-mno-sha",
 			"-mno-xsaves",
 		},
 		"haswell": []string{
diff --git a/cc/config/x86_device.go b/cc/config/x86_device.go
index 08be869..2faa670 100644
--- a/cc/config/x86_device.go
+++ b/cc/config/x86_device.go
@@ -56,8 +56,9 @@
 		"goldmont-plus": []string{
 			"-march=goldmont-plus",
 		},
-		"goldmont-without-xsaves": []string{
+		"goldmont-without-sha-xsaves": []string{
 			"-march=goldmont",
+			"-mno-sha",
 			"-mno-xsaves",
 		},
 		"haswell": []string{
diff --git a/cc/config/x86_linux_host.go b/cc/config/x86_linux_host.go
index f95da0b..f497bf9 100644
--- a/cc/config/x86_linux_host.go
+++ b/cc/config/x86_linux_host.go
@@ -328,12 +328,13 @@
 
 func (toolchainMusl) Musl() bool { return true }
 
-func (toolchainMusl) CrtBeginStaticBinary() []string  { return muslCrtBeginStaticBinary }
-func (toolchainMusl) CrtBeginSharedBinary() []string  { return muslCrtBeginSharedBinary }
-func (toolchainMusl) CrtBeginSharedLibrary() []string { return muslCrtBeginSharedLibrary }
-func (toolchainMusl) CrtEndStaticBinary() []string    { return muslCrtEndStaticBinary }
-func (toolchainMusl) CrtEndSharedBinary() []string    { return muslCrtEndSharedBinary }
-func (toolchainMusl) CrtEndSharedLibrary() []string   { return muslCrtEndSharedLibrary }
+func (toolchainMusl) CrtBeginStaticBinary() []string       { return muslCrtBeginStaticBinary }
+func (toolchainMusl) CrtBeginSharedBinary() []string       { return muslCrtBeginSharedBinary }
+func (toolchainMusl) CrtBeginSharedLibrary() []string      { return muslCrtBeginSharedLibrary }
+func (toolchainMusl) CrtEndStaticBinary() []string         { return muslCrtEndStaticBinary }
+func (toolchainMusl) CrtEndSharedBinary() []string         { return muslCrtEndSharedBinary }
+func (toolchainMusl) CrtEndSharedLibrary() []string        { return muslCrtEndSharedLibrary }
+func (toolchainMusl) CrtPadSegmentSharedLibrary() []string { return nil }
 
 func (toolchainMusl) DefaultSharedLibraries() []string { return MuslDefaultSharedLibraries }
 
diff --git a/cc/coverage.go b/cc/coverage.go
index db1b573..43f5e07 100644
--- a/cc/coverage.go
+++ b/cc/coverage.go
@@ -22,6 +22,29 @@
 	"android/soong/android"
 )
 
+var (
+ 	clangCoverageHostLdFlags = []string{
+ 		"-Wl,--no-as-needed",
+ 		"-Wl,--wrap,open",
+ 	}
+ 	clangContinuousCoverageFlags = []string{
+ 		"-mllvm",
+ 		"-runtime-counter-relocation",
+ 	}
+ 	clangCoverageCFlags = []string{
+ 		"-Wno-frame-larger-than=",
+ 	}
+ 	clangCoverageCommonFlags = []string{
+ 		"-fcoverage-mapping",
+ 		"-Wno-pass-failed",
+ 		"-D__ANDROID_CLANG_COVERAGE__",
+ 	}
+ 	clangCoverageHWASanFlags = []string{
+ 		"-mllvm",
+ 		"-hwasan-globals=0",
+ 	}
+)
+
 const profileInstrFlag = "-fprofile-instr-generate=/data/misc/trace/clang-%p-%m.profraw"
 
 type CoverageProperties struct {
@@ -102,19 +125,19 @@
 			// flags that the module may use.
 			flags.Local.CFlags = append(flags.Local.CFlags, "-Wno-frame-larger-than=", "-O0")
 		} else if clangCoverage {
-			flags.Local.CommonFlags = append(flags.Local.CommonFlags, profileInstrFlag,
-				"-fcoverage-mapping", "-Wno-pass-failed", "-D__ANDROID_CLANG_COVERAGE__")
+			flags.Local.CommonFlags = append(flags.Local.CommonFlags, profileInstrFlag)
+			flags.Local.CommonFlags = append(flags.Local.CommonFlags, clangCoverageCommonFlags...)
 			// Override -Wframe-larger-than.  We can expect frame size increase after
 			// coverage instrumentation.
-			flags.Local.CFlags = append(flags.Local.CFlags, "-Wno-frame-larger-than=")
+			flags.Local.CFlags = append(flags.Local.CFlags, clangCoverageCFlags...)
 			if EnableContinuousCoverage(ctx) {
-				flags.Local.CommonFlags = append(flags.Local.CommonFlags, "-mllvm", "-runtime-counter-relocation")
+				flags.Local.CommonFlags = append(flags.Local.CommonFlags, clangContinuousCoverageFlags...)
 			}
 
 			// http://b/248022906, http://b/247941801  enabling coverage and hwasan-globals
 			// instrumentation together causes duplicate-symbol errors for __llvm_profile_filename.
 			if c, ok := ctx.Module().(*Module); ok && c.sanitize.isSanitizerEnabled(Hwasan) {
-				flags.Local.CommonFlags = append(flags.Local.CommonFlags, "-mllvm", "-hwasan-globals=0")
+				flags.Local.CommonFlags = append(flags.Local.CommonFlags, clangCoverageHWASanFlags...)
 			}
 		}
 	}
diff --git a/cc/library.go b/cc/library.go
index ff30d40..4684d32 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -974,6 +974,10 @@
 		if library.baseLinker.Properties.crt() {
 			deps.CrtBegin = append(deps.CrtBegin, ctx.toolchain().CrtBeginSharedLibrary()...)
 			deps.CrtEnd = append(deps.CrtEnd, ctx.toolchain().CrtEndSharedLibrary()...)
+
+		}
+		if library.baseLinker.Properties.crtPadSegment() {
+			deps.CrtEnd = append(deps.CrtEnd, ctx.toolchain().CrtPadSegmentSharedLibrary()...)
 		}
 		deps.WholeStaticLibs = append(deps.WholeStaticLibs, library.SharedProperties.Shared.Whole_static_libs...)
 		deps.StaticLibs = append(deps.StaticLibs, library.SharedProperties.Shared.Static_libs...)
@@ -1350,10 +1354,12 @@
 		fileName+".lsdump")
 }
 
-func getRefAbiDumpDir(isNdk bool) string {
+func getRefAbiDumpDir(isNdk, isLlndk bool) string {
 	var dirName string
 	if isNdk {
 		dirName = "ndk"
+	} else if isLlndk {
+		dirName = "vndk"
 	} else {
 		dirName = "platform"
 	}
@@ -1474,9 +1480,11 @@
 			headerAbiChecker.Exclude_symbol_tags,
 			currVersion)
 
-		addLsdumpPath(classifySourceAbiDump(ctx) + ":" + library.sAbiOutputFile.String())
+		for _, tag := range classifySourceAbiDump(ctx) {
+			addLsdumpPath(tag + ":" + library.sAbiOutputFile.String())
+		}
 
-		dumpDir := getRefAbiDumpDir(isNdk)
+		dumpDir := getRefAbiDumpDir(isNdk, isLlndk)
 		binderBitness := ctx.DeviceConfig().BinderBitness()
 		// Check against the previous version.
 		prevVersionInt := prevRefAbiDumpVersion(ctx, dumpDir)
diff --git a/cc/linker.go b/cc/linker.go
index 85c128e..2c50db2 100644
--- a/cc/linker.go
+++ b/cc/linker.go
@@ -91,6 +91,10 @@
 	// compiling crt or libc.
 	Nocrt *bool `android:"arch_variant"`
 
+	// don't link in crt_pad_segment. This flag is currently only used internal to
+	// soong for testing and for vndk prebuilt shared libraries.
+	No_crt_pad_segment *bool `android:"arch_variant"`
+
 	// deprecated and ignored because lld makes it unnecessary. See b/189475744.
 	Group_static_libs *bool `android:"arch_variant"`
 
@@ -253,6 +257,10 @@
 	return blp.No_libcrt == nil || !*blp.No_libcrt
 }
 
+func (blp *BaseLinkerProperties) crtPadSegment() bool {
+	return blp.No_crt_pad_segment == nil || !*blp.No_crt_pad_segment
+}
+
 func NewBaseLinker(sanitize *sanitize) *baseLinker {
 	return &baseLinker{sanitize: sanitize}
 }
diff --git a/cc/makevars.go b/cc/makevars.go
index 6c3f551..70fdd57 100644
--- a/cc/makevars.go
+++ b/cc/makevars.go
@@ -123,6 +123,13 @@
 	ctx.Strict("SOONG_MODULES_USING_WNO_ERROR", makeStringOfKeys(ctx, modulesUsingWnoErrorKey))
 	ctx.Strict("SOONG_MODULES_MISSING_PGO_PROFILE_FILE", makeStringOfKeys(ctx, modulesMissingProfileFileKey))
 
+ 	ctx.Strict("CLANG_COVERAGE_CONFIG_CFLAGS", strings.Join(clangCoverageCFlags, " "))
+ 	ctx.Strict("CLANG_COVERAGE_CONFIG_COMMFLAGS", strings.Join(clangCoverageCommonFlags, " "))
+ 	ctx.Strict("CLANG_COVERAGE_HOST_LDFLAGS", strings.Join(clangCoverageHostLdFlags, " "))
+ 	ctx.Strict("CLANG_COVERAGE_INSTR_PROFILE", profileInstrFlag)
+ 	ctx.Strict("CLANG_COVERAGE_CONTINUOUS_FLAGS", strings.Join(clangContinuousCoverageFlags, " "))
+ 	ctx.Strict("CLANG_COVERAGE_HWASAN_FLAGS", strings.Join(clangCoverageHWASanFlags, " "))
+
 	ctx.Strict("ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS", strings.Join(asanCflags, " "))
 	ctx.Strict("ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS", strings.Join(asanLdflags, " "))
 
diff --git a/cc/object_test.go b/cc/object_test.go
index e6a3fdd..c0d1331 100644
--- a/cc/object_test.go
+++ b/cc/object_test.go
@@ -22,7 +22,7 @@
 )
 
 func TestMinSdkVersionsOfCrtObjects(t *testing.T) {
-	ctx := testCc(t, `
+	bp := `
 		cc_object {
 			name: "crt_foo",
 			srcs: ["foo.c"],
@@ -30,8 +30,8 @@
 			stl: "none",
 			min_sdk_version: "28",
 			vendor_available: true,
-		}`)
-
+		}
+	`
 	variants := []struct {
 		variant string
 		num     string
@@ -43,11 +43,17 @@
 		{"android_arm64_armv8-a_sdk_current", "10000"},
 		{"android_vendor.29_arm64_armv8-a", "29"},
 	}
+
+	ctx := prepareForCcTest.RunTestWithBp(t, bp)
 	for _, v := range variants {
 		cflags := ctx.ModuleForTests("crt_foo", v.variant).Rule("cc").Args["cFlags"]
 		expected := "-target aarch64-linux-android" + v.num + " "
 		android.AssertStringDoesContain(t, "cflag", cflags, expected)
 	}
+	ctx = prepareForCcTestWithoutVndk.RunTestWithBp(t, bp)
+	android.AssertStringDoesContain(t, "cflag",
+		ctx.ModuleForTests("crt_foo", "android_vendor_arm64_armv8-a").Rule("cc").Args["cFlags"],
+		"-target aarch64-linux-android10000 ")
 }
 
 func TestUseCrtObjectOfCorrectVersion(t *testing.T) {
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index e721c53..8f4b7df 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -17,6 +17,8 @@
 import (
 	"path/filepath"
 
+	"github.com/google/blueprint/proptools"
+
 	"android/soong/android"
 )
 
@@ -36,9 +38,15 @@
 type prebuiltLinkerInterface interface {
 	Name(string) string
 	prebuilt() *android.Prebuilt
+	sourceModuleName() string
 }
 
 type prebuiltLinkerProperties struct {
+	// Name of the source soong module that gets shadowed by this prebuilt
+	// If unspecified, follows the naming convention that the source module of
+	// the prebuilt is Name() without "prebuilt_" prefix
+	Source_module_name *string
+
 	// a prebuilt library or binary. Can reference a genrule module that generates an executable file.
 	Srcs []string `android:"path,arch_variant"`
 
@@ -337,7 +345,11 @@
 }
 
 type prebuiltObjectProperties struct {
-	Srcs []string `android:"path,arch_variant"`
+	// Name of the source soong module that gets shadowed by this prebuilt
+	// If unspecified, follows the naming convention that the source module of
+	// the prebuilt is Name() without "prebuilt_" prefix
+	Source_module_name *string
+	Srcs               []string `android:"path,arch_variant"`
 }
 
 type prebuiltObjectLinker struct {
@@ -351,6 +363,10 @@
 	return &p.Prebuilt
 }
 
+func (p *prebuiltObjectLinker) sourceModuleName() string {
+	return proptools.String(p.properties.Source_module_name)
+}
+
 var _ prebuiltLinkerInterface = (*prebuiltObjectLinker)(nil)
 
 func (p *prebuiltObjectLinker) link(ctx ModuleContext,
@@ -520,3 +536,7 @@
 	}
 	return sanitized.None.Srcs
 }
+
+func (p *prebuiltLinker) sourceModuleName() string {
+	return proptools.String(p.properties.Source_module_name)
+}
diff --git a/cc/prebuilt_test.go b/cc/prebuilt_test.go
index 8b4174b..95fb7ed 100644
--- a/cc/prebuilt_test.go
+++ b/cc/prebuilt_test.go
@@ -15,6 +15,7 @@
 package cc
 
 import (
+	"fmt"
 	"runtime"
 	"testing"
 
@@ -509,3 +510,100 @@
 }`
 	testCcError(t, `Android.bp:4:6: module "bintest" variant "android_arm64_armv8-a": srcs: multiple prebuilt source files`, bp)
 }
+
+func TestMultiplePrebuilts(t *testing.T) {
+	bp := `
+		// an rdep
+		cc_library {
+			name: "libfoo",
+			shared_libs: ["libbar"],
+		}
+
+		// multiple variations of dep
+		// source
+		cc_library {
+			name: "libbar",
+		}
+		// prebuilt "v1"
+		cc_prebuilt_library_shared {
+			name: "libbar",
+			srcs: ["libbar.so"],
+		}
+		// prebuilt "v2"
+		cc_prebuilt_library_shared {
+			name: "libbar.v2",
+			stem: "libbar",
+			source_module_name: "libbar",
+			srcs: ["libbar.so"],
+		}
+
+		// selectors
+		apex_contributions {
+			name: "myapex_contributions",
+			contents: ["%v"],
+		}
+		all_apex_contributions {name: "all_apex_contributions"}
+	`
+	hasDep := func(ctx *android.TestContext, m android.Module, wantDep android.Module) bool {
+		t.Helper()
+		var found bool
+		ctx.VisitDirectDeps(m, func(dep blueprint.Module) {
+			if dep == wantDep {
+				found = true
+			}
+		})
+		return found
+	}
+
+	testCases := []struct {
+		desc                   string
+		selectedDependencyName string
+		expectedDependencyName string
+	}{
+		{
+			desc:                   "Source library is selected using apex_contributions",
+			selectedDependencyName: "libbar",
+			expectedDependencyName: "libbar",
+		},
+		{
+			desc:                   "Prebuilt library v1 is selected using apex_contributions",
+			selectedDependencyName: "prebuilt_libbar",
+			expectedDependencyName: "prebuilt_libbar",
+		},
+		{
+			desc:                   "Prebuilt library v2 is selected using apex_contributions",
+			selectedDependencyName: "prebuilt_libbar.v2",
+			expectedDependencyName: "prebuilt_libbar.v2",
+		},
+	}
+
+	for _, tc := range testCases {
+		preparer := android.GroupFixturePreparers(
+			android.FixtureRegisterWithContext(func(ctx android.RegistrationContext) {
+				android.RegisterApexContributionsBuildComponents(ctx)
+			}),
+			android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+				variables.BuildFlags = map[string]string{
+					"RELEASE_APEX_CONTRIBUTIONS_ADSERVICES": "myapex_contributions",
+				}
+			}),
+		)
+		ctx := testPrebuilt(t, fmt.Sprintf(bp, tc.selectedDependencyName), map[string][]byte{
+			"libbar.so": nil,
+			"crtx.o":    nil,
+		}, preparer)
+		libfoo := ctx.ModuleForTests("libfoo", "android_arm64_armv8-a_shared").Module()
+		expectedDependency := ctx.ModuleForTests(tc.expectedDependencyName, "android_arm64_armv8-a_shared").Module()
+		android.AssertBoolEquals(t, fmt.Sprintf("expected dependency from %s to %s\n", libfoo.Name(), tc.expectedDependencyName), true, hasDep(ctx, libfoo, expectedDependency))
+
+		// check installation rules
+		// the selected soong module should be exported to make
+		libbar := ctx.ModuleForTests(tc.expectedDependencyName, "android_arm64_armv8-a_shared").Module()
+		android.AssertBoolEquals(t, fmt.Sprintf("dependency %s should be exported to make\n", expectedDependency), true, !libbar.IsHideFromMake())
+
+		// check LOCAL_MODULE of the selected module name
+		// the prebuilt should have the same LOCAL_MODULE when exported to make
+		entries := android.AndroidMkEntriesForTest(t, ctx, libbar)[0]
+		android.AssertStringEquals(t, "unexpected LOCAL_MODULE", "libbar", entries.EntryMap["LOCAL_MODULE"][0])
+	}
+}
diff --git a/cc/sabi.go b/cc/sabi.go
index 9f5781f..4ca9f5c 100644
--- a/cc/sabi.go
+++ b/cc/sabi.go
@@ -97,36 +97,34 @@
 	return sabi != nil && sabi.Properties.ShouldCreateSourceAbiDump
 }
 
-// Returns a string that represents the class of the ABI dump.
-// Returns an empty string if ABI check is disabled for this library.
-func classifySourceAbiDump(ctx android.BaseModuleContext) string {
+// Returns a slice of strings that represent the ABI dumps generated for this module.
+func classifySourceAbiDump(ctx android.BaseModuleContext) []string {
+	result := []string{}
 	m := ctx.Module().(*Module)
 	headerAbiChecker := m.library.getHeaderAbiCheckerProperties(ctx)
 	if headerAbiChecker.explicitlyDisabled() {
-		return ""
+		return result
 	}
 	if !m.InProduct() && !m.InVendor() {
-		// Return NDK if the library is both NDK and LLNDK.
-		if m.IsNdk(ctx.Config()) {
-			return "NDK"
-		}
 		if m.isImplementationForLLNDKPublic() {
-			return "LLNDK"
+			result = append(result, "LLNDK")
 		}
-		if m.library.hasStubsVariants() {
-			return "PLATFORM"
+		// Return NDK if the library is both NDK and APEX.
+		// TODO(b/309880485): Split NDK and APEX ABI.
+		if m.IsNdk(ctx.Config()) {
+			result = append(result, "NDK")
+		} else if m.library.hasStubsVariants() || headerAbiChecker.enabled() {
+			result = append(result, "PLATFORM")
 		}
-	}
-	if headerAbiChecker.enabled() {
+	} else if headerAbiChecker.enabled() {
 		if m.InProduct() {
-			return "PRODUCT"
+			result = append(result, "PRODUCT")
 		}
 		if m.InVendor() {
-			return "VENDOR"
+			result = append(result, "VENDOR")
 		}
-		return "PLATFORM"
 	}
-	return ""
+	return result
 }
 
 // Called from sabiDepsMutator to check whether ABI dumps should be created for this module.
@@ -195,7 +193,7 @@
 			return false
 		}
 	}
-	return classifySourceAbiDump(ctx) != ""
+	return len(classifySourceAbiDump(ctx)) > 0
 }
 
 // Mark the direct and transitive dependencies of libraries that need ABI check, so that ABI dumps
diff --git a/cc/testing.go b/cc/testing.go
index bac41e7..9c2900c 100644
--- a/cc/testing.go
+++ b/cc/testing.go
@@ -77,6 +77,7 @@
 			no_libcrt: true,
 			sdk_version: "minimum",
 			nocrt: true,
+			no_crt_pad_segment: true,
 			system_shared_libs: [],
 			stl: "none",
 			check_elf_files: false,
@@ -385,6 +386,11 @@
 		}
 
 		cc_object {
+			name: "crt_pad_segment",
+			defaults: ["crt_defaults"],
+		}
+
+		cc_object {
 			name: "crtbrand",
 			defaults: ["crt_defaults"],
 			srcs: ["crtbrand.c"],
diff --git a/cc/vendor_snapshot_test.go b/cc/vendor_snapshot_test.go
index 890a533..0a55431 100644
--- a/cc/vendor_snapshot_test.go
+++ b/cc/vendor_snapshot_test.go
@@ -341,6 +341,7 @@
 		vendor: true,
 		nocrt: true,
 		no_libcrt: true,
+		no_crt_pad_segment: true,
 		stl: "none",
 		system_shared_libs: [],
 		compile_multilib: "64",
@@ -458,6 +459,7 @@
 		vendor: true,
 		nocrt: true,
 		no_libcrt: true,
+		no_crt_pad_segment: true,
 		stl: "none",
 		system_shared_libs: [],
 	}
@@ -467,6 +469,7 @@
 		vendor: true,
 		nocrt: true,
 		no_libcrt: true,
+		no_crt_pad_segment: true,
 		stl: "none",
 		system_shared_libs: [],
 		shared_libs: ["libvndk", "libvendor_available", "libllndk"],
@@ -487,6 +490,7 @@
 		vendor: true,
 		nocrt: true,
 		no_libcrt: true,
+		no_crt_pad_segment: true,
 		stl: "none",
 		system_shared_libs: [],
 		static_libs: ["libvendor"],
@@ -501,6 +505,7 @@
 		vendor: true,
 		nocrt: true,
 		no_libcrt: true,
+		no_crt_pad_segment: true,
 		stl: "none",
 		system_shared_libs: [],
 		vndk: {
@@ -597,6 +602,7 @@
 		target_arch: "arm64",
 		compile_multilib: "both",
 		vendor: true,
+		no_crt_pad_segment: true,
 		shared_libs: [
 			"libvendor_without_snapshot",
 			"libvendor_available",
@@ -620,6 +626,7 @@
 		target_arch: "arm64",
 		compile_multilib: "both",
 		vendor: true,
+		no_crt_pad_segment: true,
 		overrides: ["libvendor"],
 		shared_libs: [
 			"libvendor_without_snapshot",
@@ -657,6 +664,7 @@
 		target_arch: "arm64",
 		compile_multilib: "32",
 		vendor: true,
+		no_crt_pad_segment: true,
 		arch: {
 			arm: {
 				src: "lib32.so",
@@ -683,6 +691,7 @@
 		target_arch: "arm64",
 		compile_multilib: "64",
 		vendor: true,
+		no_crt_pad_segment: true,
 		arch: {
 			arm64: {
 				src: "lib64.so",
@@ -722,6 +731,7 @@
 		target_arch: "arm64",
 		compile_multilib: "both",
 		vendor: true,
+		no_crt_pad_segment: true,
 		arch: {
 			arm64: {
 				src: "libvendor_available.so",
diff --git a/cc/vndk.go b/cc/vndk.go
index 0e0dba9..2b2ea64 100644
--- a/cc/vndk.go
+++ b/cc/vndk.go
@@ -377,22 +377,17 @@
 			return false
 		}
 
-		// ignore prebuilt vndk modules that are newer than or equal to the platform vndk version
-		platformVndkApiLevel := android.ApiLevelOrPanic(mctx, mctx.DeviceConfig().PlatformVndkVersion())
-		if platformVndkApiLevel.LessThanOrEqualTo(android.ApiLevelOrPanic(mctx, p.Version())) {
-			return false
+		platformVndkVersion := mctx.DeviceConfig().PlatformVndkVersion()
+		if platformVndkVersion != "" {
+			// ignore prebuilt vndk modules that are newer than or equal to the platform vndk version
+			platformVndkApiLevel := android.ApiLevelOrPanic(mctx, platformVndkVersion)
+			if platformVndkApiLevel.LessThanOrEqualTo(android.ApiLevelOrPanic(mctx, p.Version())) {
+				return false
+			}
 		}
 	}
 
 	if lib, ok := m.linker.(libraryInterface); ok {
-		// VNDK APEX for VNDK-Lite devices will have VNDK-SP libraries from core variants
-		if mctx.DeviceConfig().VndkVersion() == "" {
-			// b/73296261: filter out libz.so because it is considered as LLNDK for VNDK-lite devices
-			if mctx.ModuleName() == "libz" {
-				return false
-			}
-			return m.ImageVariation().Variation == android.CoreVariation && lib.shared() && m.IsVndkSp() && !m.IsVndkExt()
-		}
 		// VNDK APEX doesn't need stub variants
 		if lib.buildStubs() {
 			return false
diff --git a/cc/vndk_prebuilt.go b/cc/vndk_prebuilt.go
index eb1790f..43030b8 100644
--- a/cc/vndk_prebuilt.go
+++ b/cc/vndk_prebuilt.go
@@ -131,11 +131,14 @@
 
 func (p *vndkPrebuiltLibraryDecorator) link(ctx ModuleContext,
 	flags Flags, deps PathDeps, objs Objects) android.Path {
-	platformVndkApiLevel := android.ApiLevelOrPanic(ctx, ctx.DeviceConfig().PlatformVndkVersion())
-	if platformVndkApiLevel.LessThanOrEqualTo(android.ApiLevelOrPanic(ctx, p.Version())) {
-		// This prebuilt VNDK module is not required for the current build
-		ctx.Module().HideFromMake()
-		return nil
+	platformVndkVersion := ctx.DeviceConfig().PlatformVndkVersion()
+	if platformVndkVersion != "" {
+		platformVndkApiLevel := android.ApiLevelOrPanic(ctx, platformVndkVersion)
+		if platformVndkApiLevel.LessThanOrEqualTo(android.ApiLevelOrPanic(ctx, p.Version())) {
+			// This prebuilt VNDK module is not required for the current build
+			ctx.Module().HideFromMake()
+			return nil
+		}
 	}
 
 	if !p.MatchesWithDevice(ctx.DeviceConfig()) {
@@ -232,6 +235,7 @@
 	prebuilt.properties.Check_elf_files = BoolPtr(false)
 	prebuilt.baseLinker.Properties.No_libcrt = BoolPtr(true)
 	prebuilt.baseLinker.Properties.Nocrt = BoolPtr(true)
+	prebuilt.baseLinker.Properties.No_crt_pad_segment = BoolPtr(true)
 
 	// Prevent default system libs (libc, libm, and libdl) from being linked
 	if prebuilt.baseLinker.Properties.System_shared_libs == nil {
@@ -246,14 +250,6 @@
 		&prebuilt.properties,
 	)
 
-	android.AddLoadHook(module, func(ctx android.LoadHookContext) {
-		// empty BOARD_VNDK_VERSION implies that the device won't support
-		// system only OTA. In this case, VNDK snapshots aren't needed.
-		if ctx.DeviceConfig().VndkVersion() == "" {
-			ctx.Module().Disable()
-		}
-	})
-
 	return module
 }
 
diff --git a/cmd/pom2bp/pom2bp.go b/cmd/pom2bp/pom2bp.go
index 3fb4454..6d1caf9 100644
--- a/cmd/pom2bp/pom2bp.go
+++ b/cmd/pom2bp/pom2bp.go
@@ -651,7 +651,7 @@
         {{- end}}
     ],
     {{- end}}
-    java_version: "1.7",
+    java_version: "1.8",
 }
 `))
 
diff --git a/cmd/pom2mk/pom2mk.go b/cmd/pom2mk/pom2mk.go
index b347155..5ca770e 100644
--- a/cmd/pom2mk/pom2mk.go
+++ b/cmd/pom2mk/pom2mk.go
@@ -262,7 +262,7 @@
   {{.MkName}}-nodeps{{end}}{{range .MkAarDeps}}  \
   {{.}}{{end}}
 LOCAL_JAR_EXCLUDE_FILES := none
-LOCAL_JAVA_LANGUAGE_VERSION := 1.7
+LOCAL_JAVA_LANGUAGE_VERSION := 1.8
 LOCAL_USE_AAPT2 := true
 include $(BUILD_STATIC_JAVA_LIBRARY)
 `))
diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index 4727566..673f305 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -79,6 +79,7 @@
 	flag.BoolVar(&cmdlineArgs.MultitreeBuild, "multitree-build", false, "this is a multitree build")
 	flag.BoolVar(&cmdlineArgs.BuildFromSourceStub, "build-from-source-stub", false, "build Java stubs from source files instead of API text files")
 	flag.BoolVar(&cmdlineArgs.EnsureAllowlistIntegrity, "ensure-allowlist-integrity", false, "verify that allowlisted modules are mixed-built")
+	flag.StringVar(&cmdlineArgs.ModuleDebugFile, "soong_module_debug", "", "soong module debug info file to write")
 	// Flags that probably shouldn't be flags of soong_build, but we haven't found
 	// the time to remove them yet
 	flag.BoolVar(&cmdlineArgs.RunGoTests, "t", false, "build and run go tests during bootstrap")
diff --git a/dexpreopt/config.go b/dexpreopt/config.go
index 6163952..fe6317c 100644
--- a/dexpreopt/config.go
+++ b/dexpreopt/config.go
@@ -98,7 +98,9 @@
 	// measure, as it masks real errors and affects performance.
 	RelaxUsesLibraryCheck bool
 
-	EnableUffdGc bool // preopt with the assumption that userfaultfd GC will be used on device.
+	// "true" to force preopt with CMC GC (a.k.a., UFFD GC); "false" to force preopt with CC GC;
+	// "default" to determine the GC type based on the kernel version file.
+	EnableUffdGc string
 }
 
 var allPlatformSystemServerJarsKey = android.NewOnceKey("allPlatformSystemServerJars")
@@ -154,6 +156,7 @@
 	Zip2zip          android.Path
 	ManifestCheck    android.Path
 	ConstructContext android.Path
+	UffdGcFlag       android.WritablePath
 }
 
 type ModuleConfig struct {
@@ -537,6 +540,7 @@
 		Zip2zip:          ctx.Config().HostToolPath(ctx, "zip2zip"),
 		ManifestCheck:    ctx.Config().HostToolPath(ctx, "manifest_check"),
 		ConstructContext: ctx.Config().HostToolPath(ctx, "construct_context"),
+		UffdGcFlag:       getUffdGcFlagPath(ctx),
 	}
 }
 
@@ -588,6 +592,7 @@
 	Zip2zip          string
 	ManifestCheck    string
 	ConstructContext string
+	UffdGcFlag       string
 }
 
 // ParseGlobalSoongConfig parses the given data assumed to be read from the
@@ -609,6 +614,7 @@
 		Zip2zip:          constructPath(ctx, jc.Zip2zip),
 		ManifestCheck:    constructPath(ctx, jc.ManifestCheck),
 		ConstructContext: constructPath(ctx, jc.ConstructContext),
+		UffdGcFlag:       constructWritablePath(ctx, jc.UffdGcFlag),
 	}
 
 	return config, nil
@@ -633,12 +639,15 @@
 }
 
 func (s *globalSoongConfigSingleton) GenerateBuildActions(ctx android.SingletonContext) {
-	checkBootJarsConfigConsistency(ctx, GetGlobalConfig(ctx), ctx.Config())
+	global := GetGlobalConfig(ctx)
+	checkBootJarsConfigConsistency(ctx, global, ctx.Config())
 
-	if GetGlobalConfig(ctx).DisablePreopt {
+	if global.DisablePreopt {
 		return
 	}
 
+	buildUffdGcFlag(ctx, global)
+
 	config := GetCachedGlobalSoongConfig(ctx)
 	if config == nil {
 		// No module has enabled dexpreopting, so we assume there will be no calls
@@ -654,6 +663,7 @@
 		Zip2zip:          config.Zip2zip.String(),
 		ManifestCheck:    config.ManifestCheck.String(),
 		ConstructContext: config.ConstructContext.String(),
+		UffdGcFlag:       config.UffdGcFlag.String(),
 	}
 
 	data, err := json.Marshal(jc)
@@ -684,9 +694,32 @@
 		config.Zip2zip.String(),
 		config.ManifestCheck.String(),
 		config.ConstructContext.String(),
+		config.UffdGcFlag.String(),
 	}, " "))
 }
 
+func buildUffdGcFlag(ctx android.BuilderContext, global *GlobalConfig) {
+	uffdGcFlag := getUffdGcFlagPath(ctx)
+
+	if global.EnableUffdGc == "true" {
+		android.WriteFileRuleVerbatim(ctx, uffdGcFlag, "--runtime-arg -Xgc:CMC")
+	} else if global.EnableUffdGc == "false" {
+		android.WriteFileRuleVerbatim(ctx, uffdGcFlag, "")
+	} else if global.EnableUffdGc == "default" {
+		// Generated by `build/make/core/Makefile`.
+		kernelVersionFile := android.PathForOutput(ctx, "dexpreopt/kernel_version_for_uffd_gc.txt")
+		// Determine the UFFD GC flag by the kernel version file.
+		rule := android.NewRuleBuilder(pctx, ctx)
+		rule.Command().
+			Tool(ctx.Config().HostToolPath(ctx, "construct_uffd_gc_flag")).
+			Input(kernelVersionFile).
+			Output(uffdGcFlag)
+		rule.Restat().Build("dexpreopt_uffd_gc_flag", "dexpreopt_uffd_gc_flag")
+	} else {
+		panic(fmt.Sprintf("Unknown value of PRODUCT_ENABLE_UFFD_GC: %s", global.EnableUffdGc))
+	}
+}
+
 func GlobalConfigForTests(ctx android.PathContext) *GlobalConfig {
 	return &GlobalConfig{
 		DisablePreopt:                  false,
@@ -731,7 +764,7 @@
 	}
 }
 
-func globalSoongConfigForTests() *GlobalSoongConfig {
+func globalSoongConfigForTests(ctx android.BuilderContext) *GlobalSoongConfig {
 	return &GlobalSoongConfig{
 		Profman:          android.PathForTesting("profman"),
 		Dex2oat:          android.PathForTesting("dex2oat"),
@@ -740,5 +773,19 @@
 		Zip2zip:          android.PathForTesting("zip2zip"),
 		ManifestCheck:    android.PathForTesting("manifest_check"),
 		ConstructContext: android.PathForTesting("construct_context"),
+		UffdGcFlag:       android.PathForOutput(ctx, "dexpreopt_test", "uffd_gc_flag.txt"),
 	}
 }
+
+func GetDexpreoptDirName(ctx android.PathContext) string {
+	prefix := "dexpreopt_"
+	targets := ctx.Config().Targets[android.Android]
+	if len(targets) > 0 {
+		return prefix + targets[0].Arch.ArchType.String()
+	}
+	return prefix + "unknown_target"
+}
+
+func getUffdGcFlagPath(ctx android.PathContext) android.WritablePath {
+	return android.PathForOutput(ctx, "dexpreopt/uffd_gc_flag.txt")
+}
diff --git a/dexpreopt/dexpreopt.go b/dexpreopt/dexpreopt.go
index 94707ba..04bc61d 100644
--- a/dexpreopt/dexpreopt.go
+++ b/dexpreopt/dexpreopt.go
@@ -390,7 +390,8 @@
 		Flag("--generate-build-id").
 		Flag("--abort-on-hard-verifier-error").
 		Flag("--force-determinism").
-		FlagWithArg("--no-inline-from=", "core-oj.jar")
+		FlagWithArg("--no-inline-from=", "core-oj.jar").
+		Text("$(cat").Input(globalSoong.UffdGcFlag).Text(")")
 
 	var preoptFlags []string
 	if len(module.PreoptFlags) > 0 {
@@ -506,10 +507,6 @@
 		cmd.FlagWithInput("--profile-file=", profile)
 	}
 
-	if global.EnableUffdGc {
-		cmd.Flag("--runtime-arg").Flag("-Xgc:CMC")
-	}
-
 	rule.Install(odexPath, odexInstallPath)
 	rule.Install(vdexPath, vdexInstallPath)
 }
diff --git a/dexpreopt/dexpreopt_test.go b/dexpreopt/dexpreopt_test.go
index 230fbb4..7071f3e 100644
--- a/dexpreopt/dexpreopt_test.go
+++ b/dexpreopt/dexpreopt_test.go
@@ -96,7 +96,7 @@
 func TestDexPreopt(t *testing.T) {
 	config := android.TestConfig("out", nil, "", nil)
 	ctx := android.BuilderContextForTesting(config)
-	globalSoong := globalSoongConfigForTests()
+	globalSoong := globalSoongConfigForTests(ctx)
 	global := GlobalConfigForTests(ctx)
 	module := testSystemModuleConfig(ctx, "test")
 	productPackages := android.PathForTesting("product_packages.txt")
@@ -114,12 +114,15 @@
 	if rule.Installs().String() != wantInstalls.String() {
 		t.Errorf("\nwant installs:\n   %v\ngot:\n   %v", wantInstalls, rule.Installs())
 	}
+
+	android.AssertStringListContains(t, "", rule.Inputs().RelativeToTop().Strings(),
+		"out/soong/dexpreopt_test/uffd_gc_flag.txt")
 }
 
 func TestDexPreoptSystemOther(t *testing.T) {
 	config := android.TestConfig("out", nil, "", nil)
 	ctx := android.BuilderContextForTesting(config)
-	globalSoong := globalSoongConfigForTests()
+	globalSoong := globalSoongConfigForTests(ctx)
 	global := GlobalConfigForTests(ctx)
 	systemModule := testSystemModuleConfig(ctx, "Stest")
 	systemProductModule := testSystemProductModuleConfig(ctx, "SPtest")
@@ -180,7 +183,7 @@
 func TestDexPreoptApexSystemServerJars(t *testing.T) {
 	config := android.TestConfig("out", nil, "", nil)
 	ctx := android.BuilderContextForTesting(config)
-	globalSoong := globalSoongConfigForTests()
+	globalSoong := globalSoongConfigForTests(ctx)
 	global := GlobalConfigForTests(ctx)
 	module := testApexModuleConfig(ctx, "service-A", "com.android.apex1")
 	productPackages := android.PathForTesting("product_packages.txt")
@@ -204,7 +207,7 @@
 func TestDexPreoptStandaloneSystemServerJars(t *testing.T) {
 	config := android.TestConfig("out", nil, "", nil)
 	ctx := android.BuilderContextForTesting(config)
-	globalSoong := globalSoongConfigForTests()
+	globalSoong := globalSoongConfigForTests(ctx)
 	global := GlobalConfigForTests(ctx)
 	module := testPlatformSystemServerModuleConfig(ctx, "service-A")
 	productPackages := android.PathForTesting("product_packages.txt")
@@ -228,7 +231,7 @@
 func TestDexPreoptSystemExtSystemServerJars(t *testing.T) {
 	config := android.TestConfig("out", nil, "", nil)
 	ctx := android.BuilderContextForTesting(config)
-	globalSoong := globalSoongConfigForTests()
+	globalSoong := globalSoongConfigForTests(ctx)
 	global := GlobalConfigForTests(ctx)
 	module := testSystemExtSystemServerModuleConfig(ctx, "service-A")
 	productPackages := android.PathForTesting("product_packages.txt")
@@ -252,7 +255,7 @@
 func TestDexPreoptApexStandaloneSystemServerJars(t *testing.T) {
 	config := android.TestConfig("out", nil, "", nil)
 	ctx := android.BuilderContextForTesting(config)
-	globalSoong := globalSoongConfigForTests()
+	globalSoong := globalSoongConfigForTests(ctx)
 	global := GlobalConfigForTests(ctx)
 	module := testApexModuleConfig(ctx, "service-A", "com.android.apex1")
 	productPackages := android.PathForTesting("product_packages.txt")
@@ -276,7 +279,7 @@
 func TestDexPreoptProfile(t *testing.T) {
 	config := android.TestConfig("out", nil, "", nil)
 	ctx := android.BuilderContextForTesting(config)
-	globalSoong := globalSoongConfigForTests()
+	globalSoong := globalSoongConfigForTests(ctx)
 	global := GlobalConfigForTests(ctx)
 	module := testSystemModuleConfig(ctx, "test")
 	productPackages := android.PathForTesting("product_packages.txt")
@@ -316,3 +319,55 @@
 	after := fmt.Sprintf("%v", parsed)
 	android.AssertStringEquals(t, "The result must be the same as the original after marshalling and unmarshalling it.", before, after)
 }
+
+func TestUffdGcFlagForce(t *testing.T) {
+	for _, enableUffdGc := range []string{"true", "false"} {
+		t.Run(enableUffdGc, func(t *testing.T) {
+			preparers := android.GroupFixturePreparers(
+				PrepareForTestWithFakeDex2oatd,
+				PrepareForTestWithDexpreoptConfig,
+				FixtureSetEnableUffdGc(enableUffdGc),
+			)
+
+			result := preparers.RunTest(t)
+			ctx := result.TestContext
+
+			ctx.SingletonForTests("dexpreopt-soong-config").Output("out/soong/dexpreopt/uffd_gc_flag.txt")
+		})
+	}
+}
+
+func TestUffdGcFlagDefault(t *testing.T) {
+	preparers := android.GroupFixturePreparers(
+		PrepareForTestWithFakeDex2oatd,
+		PrepareForTestWithDexpreoptConfig,
+		FixtureSetEnableUffdGc("default"),
+	)
+
+	result := preparers.RunTest(t)
+	ctx := result.TestContext
+	config := ctx.Config()
+
+	rule := ctx.SingletonForTests("dexpreopt-soong-config").Rule("dexpreopt_uffd_gc_flag")
+
+	android.AssertStringDoesContain(t, "", rule.RuleParams.Command, "construct_uffd_gc_flag")
+	android.AssertStringPathsRelativeToTopEquals(t, "", config, []string{
+		"out/soong/dexpreopt/uffd_gc_flag.txt",
+	}, rule.AllOutputs())
+	android.AssertPathsRelativeToTopEquals(t, "", []string{
+		"out/soong/dexpreopt/kernel_version_for_uffd_gc.txt",
+	}, rule.Implicits)
+}
+
+func TestUffdGcFlagBogus(t *testing.T) {
+	preparers := android.GroupFixturePreparers(
+		PrepareForTestWithFakeDex2oatd,
+		PrepareForTestWithDexpreoptConfig,
+		FixtureSetEnableUffdGc("bogus"),
+	)
+
+	preparers.
+		ExtendWithErrorHandler(android.FixtureExpectsAtLeastOneErrorMatchingPattern(
+			"Unknown value of PRODUCT_ENABLE_UFFD_GC: bogus")).
+		RunTest(t)
+}
diff --git a/dexpreopt/testing.go b/dexpreopt/testing.go
index 147a562..b1fbef5 100644
--- a/dexpreopt/testing.go
+++ b/dexpreopt/testing.go
@@ -88,6 +88,15 @@
 	FixtureModifyGlobalConfig(func(android.PathContext, *GlobalConfig) {}),
 )
 
+var PrepareForTestWithDexpreoptConfig = android.GroupFixturePreparers(
+	android.PrepareForTestWithAndroidBuildComponents,
+	android.FixtureModifyContext(func(ctx *android.TestContext) {
+		ctx.RegisterParallelSingletonType("dexpreopt-soong-config", func() android.Singleton {
+			return &globalSoongConfigSingleton{}
+		})
+	}),
+)
+
 // FixtureModifyGlobalConfig enables dexpreopt (unless modified by the mutator) and modifies the
 // configuration.
 func FixtureModifyGlobalConfig(configModifier func(ctx android.PathContext, dexpreoptConfig *GlobalConfig)) android.FixturePreparer {
@@ -195,3 +204,10 @@
 		dexpreoptConfig.DisablePreopt = disable
 	})
 }
+
+// FixtureSetEnableUffdGc sets the EnableUffdGc property in the global config.
+func FixtureSetEnableUffdGc(value string) android.FixturePreparer {
+	return FixtureModifyGlobalConfig(func(_ android.PathContext, dexpreoptConfig *GlobalConfig) {
+		dexpreoptConfig.EnableUffdGc = value
+	})
+}
diff --git a/filesystem/avb_add_hash_footer.go b/filesystem/avb_add_hash_footer.go
index ead579f..469f1fb 100644
--- a/filesystem/avb_add_hash_footer.go
+++ b/filesystem/avb_add_hash_footer.go
@@ -138,7 +138,7 @@
 		if rollbackIndex < 0 {
 			ctx.PropertyErrorf("rollback_index", "Rollback index must be non-negative")
 		}
-		cmd.Flag(fmt.Sprintf(" --rollback_index %x", rollbackIndex))
+		cmd.Flag(fmt.Sprintf(" --rollback_index %d", rollbackIndex))
 	}
 
 	cmd.FlagWithOutput("--image ", a.output)
diff --git a/genrule/allowlists.go b/genrule/allowlists.go
index 3383650..60b1366 100644
--- a/genrule/allowlists.go
+++ b/genrule/allowlists.go
@@ -15,12 +15,6 @@
 package genrule
 
 var (
-	DepfileAllowList = []string{
-		// go/keep-sorted start
-		"depfile_allowed_for_test",
-		// go/keep-sorted end
-	}
-
 	SandboxingDenyModuleList = []string{
 		// go/keep-sorted start
 		"aidl_camera_build_version",
diff --git a/genrule/genrule.go b/genrule/genrule.go
index fbda074..6f66088 100644
--- a/genrule/genrule.go
+++ b/genrule/genrule.go
@@ -124,14 +124,10 @@
 	//  $(locations <label>): the paths to the tools, tool_files, inputs or outputs with name <label>. Use $(locations) if <label> refers to a rule that outputs two or more files.
 	//  $(in): one or more input files.
 	//  $(out): a single output file.
-	//  $(depfile): a file to which dependencies will be written, if the depfile property is set to true.
 	//  $(genDir): the sandbox directory for this tool; contains $(out).
 	//  $$: a literal $
 	Cmd *string
 
-	// Enable reading a file containing dependencies in gcc format after the command completes
-	Depfile *bool
-
 	// name of the modules (if any) that produces the host executable.   Leave empty for
 	// prebuilts or scripts that do not need a module to build them.
 	Tools []string
@@ -194,10 +190,8 @@
 type generateTask struct {
 	in          android.Paths
 	out         android.WritablePaths
-	depFile     android.WritablePath
 	copyTo      android.WritablePaths // For gensrcs to set on gensrcsMerge rule.
 	genDir      android.WritablePath
-	extraTools  android.Paths // dependencies on tools used by the generator
 	extraInputs map[string][]string
 
 	cmd string
@@ -448,8 +442,6 @@
 			addLocationLabel(out.Rel(), outputLocation{out})
 		}
 
-		referencedDepfile := false
-
 		rawCommand, err := android.Expand(task.cmd, func(name string) (string, error) {
 			// report the error directly without returning an error to android.Expand to catch multiple errors in a
 			// single run
@@ -481,12 +473,6 @@
 					sandboxOuts = append(sandboxOuts, cmd.PathForOutput(out))
 				}
 				return strings.Join(proptools.ShellEscapeList(sandboxOuts), " "), nil
-			case "depfile":
-				referencedDepfile = true
-				if !Bool(g.properties.Depfile) {
-					return reportError("$(depfile) used without depfile property")
-				}
-				return "__SBOX_DEPFILE__", nil
 			case "genDir":
 				return proptools.ShellEscape(cmd.PathForOutput(task.genDir)), nil
 			default:
@@ -526,10 +512,6 @@
 			return
 		}
 
-		if Bool(g.properties.Depfile) && !referencedDepfile {
-			ctx.PropertyErrorf("cmd", "specified depfile=true but did not include a reference to '${depfile}' in cmd")
-			return
-		}
 		g.rawCommands = append(g.rawCommands, rawCommand)
 
 		cmd.Text(rawCommand)
@@ -538,11 +520,7 @@
 		cmd.ImplicitOutputs(task.out)
 		cmd.Implicits(task.in)
 		cmd.ImplicitTools(tools)
-		cmd.ImplicitTools(task.extraTools)
 		cmd.ImplicitPackagedTools(packagedTools)
-		if Bool(g.properties.Depfile) {
-			cmd.ImplicitDepFile(task.depFile)
-		}
 
 		// Create the rule to run the genrule command inside sbox.
 		rule.Build(name, desc)
@@ -583,19 +561,6 @@
 }
 
 func (g *Module) GenerateAndroidBuildActions(ctx android.ModuleContext) {
-	// Allowlist genrule to use depfile until we have a solution to remove it.
-	// TODO(b/307824623): Remove depfile property
-	if Bool(g.properties.Depfile) {
-		sandboxingAllowlistSets := getSandboxingAllowlistSets(ctx)
-		if ctx.DeviceConfig().GenruleSandboxing() && !sandboxingAllowlistSets.depfileAllowSet[g.Name()] {
-			ctx.PropertyErrorf(
-				"depfile",
-				"Deprecated because with genrule sandboxing, dependencies must be known before the action is run "+
-					"in order to add them to the sandbox. "+
-					"Please specify the dependencies explicitly so that there is no need to use depfile.")
-		}
-	}
-
 	g.generateCommonBuildActions(ctx)
 
 	// For <= 6 outputs, just embed those directly in the users. Right now, that covers >90% of
@@ -721,7 +686,6 @@
 		for i, shard := range shards {
 			var commands []string
 			var outFiles android.WritablePaths
-			var commandDepFiles []string
 			var copyTo android.WritablePaths
 
 			// When sharding is enabled (i.e. len(shards) > 1), the sbox rules for each
@@ -761,12 +725,6 @@
 						return in.String(), nil
 					case "out":
 						return rule.Command().PathForOutput(outFile), nil
-					case "depfile":
-						// Generate a depfile for each output file.  Store the list for
-						// later in order to combine them all into a single depfile.
-						depFile := rule.Command().PathForOutput(outFile.ReplaceExtension(ctx, "d"))
-						commandDepFiles = append(commandDepFiles, depFile)
-						return depFile, nil
 					default:
 						return "$(" + name + ")", nil
 					}
@@ -781,30 +739,14 @@
 			}
 			fullCommand := strings.Join(commands, " && ")
 
-			var outputDepfile android.WritablePath
-			var extraTools android.Paths
-			if len(commandDepFiles) > 0 {
-				// Each command wrote to a depfile, but ninja can only handle one
-				// depfile per rule.  Use the dep_fixer tool at the end of the
-				// command to combine all the depfiles into a single output depfile.
-				outputDepfile = android.PathForModuleGen(ctx, genSubDir, "gensrcs.d")
-				depFixerTool := ctx.Config().HostToolPath(ctx, "dep_fixer")
-				fullCommand += fmt.Sprintf(" && %s -o $(depfile) %s",
-					rule.Command().PathForTool(depFixerTool),
-					strings.Join(commandDepFiles, " "))
-				extraTools = append(extraTools, depFixerTool)
-			}
-
 			generateTasks = append(generateTasks, generateTask{
-				in:         shard,
-				out:        outFiles,
-				depFile:    outputDepfile,
-				copyTo:     copyTo,
-				genDir:     genDir,
-				cmd:        fullCommand,
-				shard:      i,
-				shards:     len(shards),
-				extraTools: extraTools,
+				in:     shard,
+				out:    outFiles,
+				copyTo: copyTo,
+				genDir: genDir,
+				cmd:    fullCommand,
+				shard:  i,
+				shards: len(shards),
 				extraInputs: map[string][]string{
 					"data": properties.Data,
 				},
@@ -843,20 +785,14 @@
 
 	taskGenerator := func(ctx android.ModuleContext, rawCommand string, srcFiles android.Paths) []generateTask {
 		outs := make(android.WritablePaths, len(properties.Out))
-		var depFile android.WritablePath
 		for i, out := range properties.Out {
-			outPath := android.PathForModuleGen(ctx, out)
-			if i == 0 {
-				depFile = outPath.ReplaceExtension(ctx, "d")
-			}
-			outs[i] = outPath
+			outs[i] = android.PathForModuleGen(ctx, out)
 		}
 		return []generateTask{{
-			in:      srcFiles,
-			out:     outs,
-			depFile: depFile,
-			genDir:  android.PathForModuleGen(ctx),
-			cmd:     rawCommand,
+			in:     srcFiles,
+			out:    outs,
+			genDir: android.PathForModuleGen(ctx),
+			cmd:    rawCommand,
 		}}
 	}
 
@@ -907,22 +843,18 @@
 type sandboxingAllowlistSets struct {
 	sandboxingDenyModuleSet map[string]bool
 	sandboxingDenyPathSet   map[string]bool
-	depfileAllowSet         map[string]bool
 }
 
 func getSandboxingAllowlistSets(ctx android.PathContext) *sandboxingAllowlistSets {
 	return ctx.Config().Once(sandboxingAllowlistKey, func() interface{} {
 		sandboxingDenyModuleSet := map[string]bool{}
 		sandboxingDenyPathSet := map[string]bool{}
-		depfileAllowSet := map[string]bool{}
 
-		android.AddToStringSet(sandboxingDenyModuleSet, append(DepfileAllowList, SandboxingDenyModuleList...))
+		android.AddToStringSet(sandboxingDenyModuleSet, SandboxingDenyModuleList)
 		android.AddToStringSet(sandboxingDenyPathSet, SandboxingDenyPathList)
-		android.AddToStringSet(depfileAllowSet, DepfileAllowList)
 		return &sandboxingAllowlistSets{
 			sandboxingDenyModuleSet: sandboxingDenyModuleSet,
 			sandboxingDenyPathSet:   sandboxingDenyPathSet,
-			depfileAllowSet:         depfileAllowSet,
 		}
 	}).(*sandboxingAllowlistSets)
 }
diff --git a/genrule/genrule_test.go b/genrule/genrule_test.go
index fa0ee17..2dc6a79 100644
--- a/genrule/genrule_test.go
+++ b/genrule/genrule_test.go
@@ -287,16 +287,6 @@
 			expect: "echo foo > __SBOX_SANDBOX_DIR__/out/out2",
 		},
 		{
-			name:       "depfile",
-			moduleName: "depfile_allowed_for_test",
-			prop: `
-				out: ["out"],
-				depfile: true,
-				cmd: "echo foo > $(out) && touch $(depfile)",
-			`,
-			expect: "echo foo > __SBOX_SANDBOX_DIR__/out/out && touch __SBOX_DEPFILE__",
-		},
-		{
 			name: "gendir",
 			prop: `
 				out: ["out"],
@@ -392,24 +382,6 @@
 			err: `unknown variable '$(foo)'`,
 		},
 		{
-			name: "error depfile",
-			prop: `
-				out: ["out"],
-				cmd: "echo foo > $(out) && touch $(depfile)",
-			`,
-			err: "$(depfile) used without depfile property",
-		},
-		{
-			name:       "error no depfile",
-			moduleName: "depfile_allowed_for_test",
-			prop: `
-				out: ["out"],
-				depfile: true,
-				cmd: "echo foo > $(out)",
-			`,
-			err: "specified depfile=true but did not include a reference to '${depfile}' in cmd",
-		},
-		{
 			name: "error no out",
 			prop: `
 				cmd: "echo foo > $(out)",
@@ -695,60 +667,6 @@
 	}
 }
 
-func TestGenruleAllowlistingDepfile(t *testing.T) {
-	tests := []struct {
-		name       string
-		prop       string
-		err        string
-		moduleName string
-	}{
-		{
-			name: `error when module is not allowlisted`,
-			prop: `
-				depfile: true,
-				cmd: "cat $(in) > $(out) && cat $(depfile)",
-			`,
-			err: "depfile: Deprecated because with genrule sandboxing, dependencies must be known before the action is run in order to add them to the sandbox",
-		},
-		{
-			name: `no error when module is allowlisted`,
-			prop: `
-				depfile: true,
-				cmd: "cat $(in) > $(out) && cat $(depfile)",
-			`,
-			moduleName: `depfile_allowed_for_test`,
-		},
-	}
-	for _, test := range tests {
-		t.Run(test.name, func(t *testing.T) {
-			moduleName := "foo"
-			if test.moduleName != "" {
-				moduleName = test.moduleName
-			}
-			bp := fmt.Sprintf(`
-			gensrcs {
-			   name: "%s",
-			   srcs: ["data.txt"],
-			   %s
-			}`, moduleName, test.prop)
-
-			var expectedErrors []string
-			if test.err != "" {
-				expectedErrors = append(expectedErrors, test.err)
-			}
-			android.GroupFixturePreparers(
-				prepareForGenRuleTest,
-				android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
-					variables.GenruleSandboxing = proptools.BoolPtr(true)
-				}),
-			).
-				ExtendWithErrorHandler(android.FixtureExpectsAllErrorsToMatchAPattern(expectedErrors)).
-				RunTestWithBp(t, bp)
-		})
-
-	}
-}
-
 func TestGenruleDefaults(t *testing.T) {
 	bp := `
 				genrule_defaults {
diff --git a/java/aar.go b/java/aar.go
index b162ef6..f61fc83 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -159,8 +159,8 @@
 	}
 }
 
-func (a *aapt) useResourceProcessorBusyBox() bool {
-	return BoolDefault(a.aaptProperties.Use_resource_processor, false)
+func (a *aapt) useResourceProcessorBusyBox(ctx android.BaseModuleContext) bool {
+	return BoolDefault(a.aaptProperties.Use_resource_processor, ctx.Config().UseResourceProcessorByDefault())
 }
 
 func (a *aapt) filterProduct() string {
@@ -414,7 +414,7 @@
 		linkFlags = append(linkFlags, "--static-lib")
 	}
 
-	if a.isLibrary && a.useResourceProcessorBusyBox() {
+	if a.isLibrary && a.useResourceProcessorBusyBox(ctx) {
 		// When building an android_library using ResourceProcessorBusyBox the resources are merged into
 		// package-res.apk with --merge-only, but --no-static-lib-packages is not used so that R.txt only
 		// contains resources from this library.
@@ -453,7 +453,7 @@
 	// of transitiveStaticLibs.
 	transitiveStaticLibs := android.ReversePaths(staticDeps.resPackages())
 
-	if a.isLibrary && a.useResourceProcessorBusyBox() {
+	if a.isLibrary && a.useResourceProcessorBusyBox(ctx) {
 		// When building an android_library with ResourceProcessorBusyBox enabled treat static library dependencies
 		// as imports.  The resources from dependencies will not be merged into this module's package-res.apk, and
 		// instead modules depending on this module will reference package-res.apk from all transitive static
@@ -515,7 +515,7 @@
 		})
 	}
 
-	if !a.useResourceProcessorBusyBox() {
+	if !a.useResourceProcessorBusyBox(ctx) {
 		// the subdir "android" is required to be filtered by package names
 		srcJar = android.PathForModuleGen(ctx, "android", "R.srcjar")
 	}
@@ -542,7 +542,7 @@
 		a.assetPackage = android.OptionalPathForPath(assets)
 	}
 
-	if a.useResourceProcessorBusyBox() {
+	if a.useResourceProcessorBusyBox(ctx) {
 		rJar := android.PathForModuleOut(ctx, "busybox/R.jar")
 		resourceProcessorBusyBoxGenerateBinaryR(ctx, rTxt, a.mergedManifestFile, rJar, staticDeps, a.isLibrary, a.aaptProperties.Aaptflags)
 		aapt2ExtractExtraPackages(ctx, extraPackages, rJar)
@@ -577,7 +577,7 @@
 			rJar:                a.rJar,
 			assets:              a.assetPackage,
 
-			usedResourceProcessor: a.useResourceProcessorBusyBox(),
+			usedResourceProcessor: a.useResourceProcessorBusyBox(ctx),
 		}).
 		Transitive(staticResourcesNodesDepSet).Build()
 	a.rroDirsDepSet = android.NewDepSetBuilder[rroDir](android.TOPOLOGICAL).
@@ -823,7 +823,7 @@
 
 	ctx.CheckbuildFile(a.aapt.proguardOptionsFile)
 	ctx.CheckbuildFile(a.aapt.exportPackage)
-	if a.useResourceProcessorBusyBox() {
+	if a.useResourceProcessorBusyBox(ctx) {
 		ctx.CheckbuildFile(a.aapt.rJar)
 	} else {
 		ctx.CheckbuildFile(a.aapt.aaptSrcJar)
@@ -849,7 +849,7 @@
 	var extraSrcJars android.Paths
 	var extraCombinedJars android.Paths
 	var extraClasspathJars android.Paths
-	if a.useResourceProcessorBusyBox() {
+	if a.useResourceProcessorBusyBox(ctx) {
 		// When building a library with ResourceProcessorBusyBox enabled ResourceProcessorBusyBox for this
 		// library and each of the transitive static android_library dependencies has already created an
 		// R.class file for the appropriate package.  Add all of those R.class files to the classpath.
@@ -889,7 +889,7 @@
 }
 
 func (a *aapt) IDEInfo(dpInfo *android.IdeInfo) {
-	if a.useResourceProcessorBusyBox() {
+	if a.rJar != nil {
 		dpInfo.Jars = append(dpInfo.Jars, a.rJar.String())
 	}
 }
diff --git a/java/androidmk.go b/java/androidmk.go
index cc0efe9..b7df9bf 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -209,9 +209,10 @@
 		return []android.AndroidMkEntries{}
 	}
 	return []android.AndroidMkEntries{android.AndroidMkEntries{
-		Class:      "JAVA_LIBRARIES",
-		OutputFile: android.OptionalPathForPath(prebuilt.combinedClasspathFile),
-		Include:    "$(BUILD_SYSTEM)/soong_java_prebuilt.mk",
+		Class:        "JAVA_LIBRARIES",
+		OverrideName: prebuilt.BaseModuleName(),
+		OutputFile:   android.OptionalPathForPath(prebuilt.combinedClasspathFile),
+		Include:      "$(BUILD_SYSTEM)/soong_java_prebuilt.mk",
 		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
 			func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
 				entries.SetBool("LOCAL_UNINSTALLABLE_MODULE", !Bool(prebuilt.properties.Installable))
@@ -548,8 +549,8 @@
 				if BoolDefault(jd.properties.Installable, true) {
 					entries.SetPath("LOCAL_DROIDDOC_DOC_ZIP", jd.docZip)
 				}
-				if jd.stubsSrcJar != nil {
-					entries.SetPath("LOCAL_DROIDDOC_STUBS_SRCJAR", jd.stubsSrcJar)
+				if jd.exportableStubsSrcJar != nil {
+					entries.SetPath("LOCAL_DROIDDOC_STUBS_SRCJAR", jd.exportableStubsSrcJar)
 				}
 			},
 		},
@@ -587,7 +588,7 @@
 		outputFile = android.OptionalPathForPath(dstubs.apiFile)
 	}
 	if !outputFile.Valid() {
-		outputFile = android.OptionalPathForPath(dstubs.apiVersionsXml)
+		outputFile = android.OptionalPathForPath(dstubs.everythingArtifacts.apiVersionsXml)
 	}
 	return []android.AndroidMkEntries{android.AndroidMkEntries{
 		Class:      "JAVA_LIBRARIES",
@@ -595,17 +596,17 @@
 		Include:    "$(BUILD_SYSTEM)/soong_droiddoc_prebuilt.mk",
 		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
 			func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
-				if dstubs.Javadoc.stubsSrcJar != nil {
-					entries.SetPath("LOCAL_DROIDDOC_STUBS_SRCJAR", dstubs.Javadoc.stubsSrcJar)
+				if dstubs.Javadoc.exportableStubsSrcJar != nil {
+					entries.SetPath("LOCAL_DROIDDOC_STUBS_SRCJAR", dstubs.Javadoc.exportableStubsSrcJar)
 				}
-				if dstubs.apiVersionsXml != nil {
-					entries.SetPath("LOCAL_DROIDDOC_API_VERSIONS_XML", dstubs.apiVersionsXml)
+				if dstubs.everythingArtifacts.apiVersionsXml != nil {
+					entries.SetPath("LOCAL_DROIDDOC_API_VERSIONS_XML", dstubs.exportableArtifacts.apiVersionsXml)
 				}
-				if dstubs.annotationsZip != nil {
-					entries.SetPath("LOCAL_DROIDDOC_ANNOTATIONS_ZIP", dstubs.annotationsZip)
+				if dstubs.everythingArtifacts.annotationsZip != nil {
+					entries.SetPath("LOCAL_DROIDDOC_ANNOTATIONS_ZIP", dstubs.exportableArtifacts.annotationsZip)
 				}
-				if dstubs.metadataZip != nil {
-					entries.SetPath("LOCAL_DROIDDOC_METADATA_ZIP", dstubs.metadataZip)
+				if dstubs.everythingArtifacts.metadataZip != nil {
+					entries.SetPath("LOCAL_DROIDDOC_METADATA_ZIP", dstubs.exportableArtifacts.metadataZip)
 				}
 			},
 		},
diff --git a/java/app.go b/java/app.go
index cbb2450..0c56d81 100755
--- a/java/app.go
+++ b/java/app.go
@@ -431,7 +431,7 @@
 		return false
 	}
 
-	return shouldUncompressDex(ctx, &a.dexpreopter)
+	return shouldUncompressDex(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), &a.dexpreopter)
 }
 
 func (a *AndroidApp) shouldEmbedJnis(ctx android.BaseModuleContext) bool {
@@ -588,7 +588,7 @@
 		var extraSrcJars android.Paths
 		var extraClasspathJars android.Paths
 		var extraCombinedJars android.Paths
-		if a.useResourceProcessorBusyBox() {
+		if a.useResourceProcessorBusyBox(ctx) {
 			// When building an app with ResourceProcessorBusyBox enabled ResourceProcessorBusyBox has already
 			// created R.class files that provide IDs for resources in busybox/R.jar.  Pass that file in the
 			// classpath when compiling everything else, and add it to the final classes jar.
diff --git a/java/app_import.go b/java/app_import.go
index 5f20fdd..12ead0a 100644
--- a/java/app_import.go
+++ b/java/app_import.go
@@ -246,7 +246,7 @@
 		return ctx.Config().UncompressPrivAppDex()
 	}
 
-	return shouldUncompressDex(ctx, &a.dexpreopter)
+	return shouldUncompressDex(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), &a.dexpreopter)
 }
 
 func (a *AndroidAppImport) GenerateAndroidBuildActions(ctx android.ModuleContext) {
@@ -324,7 +324,7 @@
 		a.usesLibrary.verifyUsesLibrariesAPK(ctx, srcApk)
 	}
 
-	a.dexpreopter.dexpreopt(ctx, jnisUncompressed)
+	a.dexpreopter.dexpreopt(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), jnisUncompressed)
 	if a.dexpreopter.uncompressedDex {
 		dexUncompressed := android.PathForModuleOut(ctx, "dex-uncompressed", ctx.ModuleName()+".apk")
 		ctx.Build(pctx, android.BuildParams{
diff --git a/java/base.go b/java/base.go
index 1ac3d30..284ec99 100644
--- a/java/base.go
+++ b/java/base.go
@@ -17,6 +17,8 @@
 import (
 	"fmt"
 	"path/filepath"
+	"reflect"
+	"slices"
 	"strconv"
 	"strings"
 
@@ -89,6 +91,9 @@
 	// if not blank, run jarjar using the specified rules file
 	Jarjar_rules *string `android:"path,arch_variant"`
 
+	// if not blank, used as prefix to generate repackage rule
+	Jarjar_prefix *string
+
 	// If not blank, set the java version passed to javac as -source and -target
 	Java_version *string
 
@@ -425,6 +430,8 @@
 	// inserting into the bootclasspath/classpath of another compile
 	headerJarFile android.Path
 
+	repackagedHeaderJarFile android.Path
+
 	// jar file containing implementation classes including static library dependencies but no
 	// resources
 	implementationJarFile android.Path
@@ -489,6 +496,9 @@
 	// expanded Jarjar_rules
 	expandJarjarRules android.Path
 
+	// jarjar rule for inherited jarjar rules
+	repackageJarjarRules android.Path
+
 	// Extra files generated by the module type to be added as java resources.
 	extraResources android.Paths
 
@@ -518,6 +528,10 @@
 
 	// Single aconfig "cache file" merged from this module and all dependencies.
 	mergedAconfigFiles map[string]android.Paths
+
+	// Values that will be set in the JarJarProvider data for jarjar repackaging,
+	// and merged with our dependencies' rules.
+	jarjarRenameRules map[string]string
 }
 
 func (j *Module) CheckStableSdkVersion(ctx android.BaseModuleContext) error {
@@ -1072,6 +1086,19 @@
 }
 
 func (j *Module) compile(ctx android.ModuleContext, extraSrcJars, extraClasspathJars, extraCombinedJars android.Paths) {
+
+	// Auto-propagating jarjar rules
+	jarjarProviderData := j.collectJarJarRules(ctx)
+	if jarjarProviderData != nil {
+		android.SetProvider(ctx, JarJarProvider, *jarjarProviderData)
+		text := getJarJarRuleText(jarjarProviderData)
+		if text != "" {
+			ruleTextFile := android.PathForModuleOut(ctx, "repackaged-jarjar", "repackaging.txt")
+			android.WriteFileRule(ctx, ruleTextFile, text)
+			j.repackageJarjarRules = ruleTextFile
+		}
+	}
+
 	j.exportAidlIncludeDirs = android.PathsForModuleSrc(ctx, j.deviceProperties.Aidl.Export_include_dirs)
 
 	deps := j.collectDeps(ctx)
@@ -1170,7 +1197,7 @@
 			ctx.ModuleErrorf("headers_only is enabled but Turbine is disabled.")
 		}
 
-		_, j.headerJarFile =
+		_, j.headerJarFile, _ =
 			j.compileJavaHeader(ctx, uniqueJavaFiles, srcJars, deps, flags, jarName,
 				extraCombinedJars)
 		if ctx.Failed() {
@@ -1285,7 +1312,7 @@
 			// with sharding enabled. See: b/77284273.
 		}
 		extraJars := append(android.CopyOf(extraCombinedJars), kotlinHeaderJars...)
-		headerJarFileWithoutDepsOrJarjar, j.headerJarFile =
+		headerJarFileWithoutDepsOrJarjar, j.headerJarFile, j.repackagedHeaderJarFile =
 			j.compileJavaHeader(ctx, uniqueJavaFiles, srcJars, deps, flags, jarName, extraJars)
 		if ctx.Failed() {
 			return
@@ -1509,6 +1536,16 @@
 		}
 	}
 
+	// Automatic jarjar rules propagation
+	if j.repackageJarjarRules != nil {
+		repackagedJarjarFile := android.PathForModuleOut(ctx, "repackaged-jarjar", jarName).OutputPath
+		TransformJarJar(ctx, repackagedJarjarFile, outputFile, j.repackageJarjarRules)
+		outputFile = repackagedJarjarFile
+		if ctx.Failed() {
+			return
+		}
+	}
+
 	// Check package restrictions if necessary.
 	if len(j.properties.Permitted_packages) > 0 {
 		// Time stamp file created by the package check rule.
@@ -1626,7 +1663,7 @@
 			j.dexJarFile = makeDexJarPathFromPath(dexOutputFile)
 
 			// Dexpreopting
-			j.dexpreopt(ctx, dexOutputFile)
+			j.dexpreopt(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), dexOutputFile)
 
 			outputFile = dexOutputFile
 		} else {
@@ -1678,6 +1715,7 @@
 
 	android.SetProvider(ctx, JavaInfoProvider, JavaInfo{
 		HeaderJars:                     android.PathsIfNonNil(j.headerJarFile),
+		RepackagedHeaderJars:           android.PathsIfNonNil(j.repackagedHeaderJarFile),
 		TransitiveLibsHeaderJars:       j.transitiveLibsHeaderJars,
 		TransitiveStaticLibsHeaderJars: j.transitiveStaticLibsHeaderJars,
 		ImplementationAndResourcesJars: android.PathsIfNonNil(j.implementationAndResourcesJar),
@@ -1813,7 +1851,7 @@
 
 func (j *Module) compileJavaHeader(ctx android.ModuleContext, srcFiles, srcJars android.Paths,
 	deps deps, flags javaBuilderFlags, jarName string,
-	extraJars android.Paths) (headerJar, jarjarAndDepsHeaderJar android.Path) {
+	extraJars android.Paths) (headerJar, jarjarAndDepsHeaderJar, jarjarAndDepsRepackagedHeaderJar android.Path) {
 
 	var jars android.Paths
 	if len(srcFiles) > 0 || len(srcJars) > 0 {
@@ -1821,7 +1859,7 @@
 		turbineJar := android.PathForModuleOut(ctx, "turbine", jarName)
 		TransformJavaToHeaderClasses(ctx, turbineJar, srcFiles, srcJars, flags)
 		if ctx.Failed() {
-			return nil, nil
+			return nil, nil, nil
 		}
 		jars = append(jars, turbineJar)
 		headerJar = turbineJar
@@ -1846,11 +1884,22 @@
 		TransformJarJar(ctx, jarjarFile, jarjarAndDepsHeaderJar, j.expandJarjarRules)
 		jarjarAndDepsHeaderJar = jarjarFile
 		if ctx.Failed() {
-			return nil, nil
+			return nil, nil, nil
 		}
 	}
 
-	return headerJar, jarjarAndDepsHeaderJar
+	if j.repackageJarjarRules != nil {
+		repackagedJarjarFile := android.PathForModuleOut(ctx, "repackaged-turbine-jarjar", jarName)
+		TransformJarJar(ctx, repackagedJarjarFile, jarjarAndDepsHeaderJar, j.repackageJarjarRules)
+		jarjarAndDepsRepackagedHeaderJar = repackagedJarjarFile
+		if ctx.Failed() {
+			return nil, nil, nil
+		}
+	} else {
+		jarjarAndDepsRepackagedHeaderJar = jarjarAndDepsHeaderJar
+	}
+
+	return headerJar, jarjarAndDepsHeaderJar, jarjarAndDepsRepackagedHeaderJar
 }
 
 func (j *Module) instrument(ctx android.ModuleContext, flags javaBuilderFlags,
@@ -2207,6 +2256,10 @@
 				}
 				deps.classpath = append(deps.classpath, dep.HeaderJars...)
 				deps.dexClasspath = append(deps.dexClasspath, dep.HeaderJars...)
+				if len(dep.RepackagedHeaderJars) == 1 && !slices.Contains(dep.HeaderJars, dep.RepackagedHeaderJars[0]) {
+					deps.classpath = append(deps.classpath, dep.RepackagedHeaderJars...)
+					deps.dexClasspath = append(deps.dexClasspath, dep.RepackagedHeaderJars...)
+				}
 				deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs...)
 				addPlugins(&deps, dep.ExportedPlugins, dep.ExportedPluginClasses...)
 				deps.disableTurbine = deps.disableTurbine || dep.ExportedPluginDisableTurbine
@@ -2311,6 +2364,187 @@
 	return deps
 }
 
+// Provider for jarjar renaming rules.
+//
+// Modules can set their jarjar renaming rules with addJarJarRenameRule, and those renamings will be
+// passed to all rdeps.  The typical way that these renamings will NOT be inherited is when a module
+// links against stubs -- these are not passed through stubs. The classes will remain unrenamed on
+// classes until a module with jarjar_prefix is reached, and all as yet unrenamed classes will then
+// be renamed from that module.
+// TODO: Add another property to suppress the forwarding of
+type JarJarProviderData struct {
+	// Mapping of class names: original --> renamed.  If the value is "", the class will be
+	// renamed by the next rdep that has the jarjar_prefix attribute (or this module if it has
+	// attribute). Rdeps of that module will inherit the renaming.
+	Rename map[string]string
+}
+
+func (this JarJarProviderData) GetDebugString() string {
+	result := ""
+	for k, v := range this.Rename {
+		if strings.Contains(k, "android.companion.virtual.flags.FakeFeatureFlagsImpl") {
+			result += k + "--&gt;" + v + ";"
+		}
+	}
+	return result
+}
+
+var JarJarProvider = blueprint.NewProvider[JarJarProviderData]()
+
+var overridableJarJarPrefix = "com.android.internal.hidden_from_bootclasspath"
+
+func init() {
+	android.SetJarJarPrefixHandler(mergeJarJarPrefixes)
+}
+
+// BaseJarJarProviderData contains information that will propagate across dependencies regardless of
+// whether they are java modules or not.
+type BaseJarJarProviderData struct {
+	JarJarProviderData JarJarProviderData
+}
+
+func (this BaseJarJarProviderData) GetDebugString() string {
+	return this.JarJarProviderData.GetDebugString()
+}
+
+var BaseJarJarProvider = blueprint.NewProvider[BaseJarJarProviderData]()
+
+// mergeJarJarPrefixes is called immediately before module.GenerateAndroidBuildActions is called.
+// Since there won't be a JarJarProvider, we create the BaseJarJarProvider if any of our deps have
+// either JarJarProvider or BaseJarJarProvider.
+func mergeJarJarPrefixes(ctx android.ModuleContext) {
+	mod := ctx.Module()
+	// Explicitly avoid propagating into some module types.
+	switch reflect.TypeOf(mod).String() {
+	case "*java.Droidstubs":
+		return
+	}
+	jarJarData := collectDirectDepsProviders(ctx)
+	if jarJarData != nil {
+		providerData := BaseJarJarProviderData{
+			JarJarProviderData: *jarJarData,
+		}
+		android.SetProvider(ctx, BaseJarJarProvider, providerData)
+	}
+
+}
+
+// Add a jarjar renaming rule to this module, to be inherited to all dependent modules.
+func (module *Module) addJarJarRenameRule(original string, renamed string) {
+	if module.jarjarRenameRules == nil {
+		module.jarjarRenameRules = make(map[string]string)
+	}
+	module.jarjarRenameRules[original] = renamed
+}
+
+func collectDirectDepsProviders(ctx android.ModuleContext) (result *JarJarProviderData) {
+	// Gather repackage information from deps
+	// If the dep jas a JarJarProvider, it is used.  Otherwise, any BaseJarJarProvider is used.
+	ctx.VisitDirectDepsIgnoreBlueprint(func(m android.Module) {
+		merge := func(theirs *JarJarProviderData) {
+			for orig, renamed := range theirs.Rename {
+				if result == nil {
+					result = &JarJarProviderData{
+						Rename: make(map[string]string),
+					}
+				}
+				if preexisting, exists := (*result).Rename[orig]; !exists || preexisting == "" {
+					result.Rename[orig] = renamed
+				} else if preexisting != "" && renamed != "" && preexisting != renamed {
+					if strings.HasPrefix(preexisting, overridableJarJarPrefix) {
+						result.Rename[orig] = renamed
+					} else if !strings.HasPrefix(renamed, overridableJarJarPrefix) {
+						ctx.ModuleErrorf("1. Conflicting jarjar rules inherited for class: %s (%s and %s)", orig, renamed, preexisting, ctx.ModuleName(), m.Name())
+						continue
+					}
+				}
+			}
+		}
+		if theirs, ok := android.OtherModuleProvider(ctx, m, JarJarProvider); ok {
+			merge(&theirs)
+		} else if theirs, ok := android.OtherModuleProvider(ctx, m, BaseJarJarProvider); ok {
+			// TODO: if every java.Module should have a JarJarProvider, and we find only the
+			// BaseJarJarProvider, then there is a bug.  Consider seeing if m can be cast
+			// to java.Module.
+			merge(&theirs.JarJarProviderData)
+		}
+	})
+	return
+}
+
+func (this Module) GetDebugString() string {
+	return "sdk_version=" + proptools.String(this.deviceProperties.Sdk_version)
+}
+
+// Merge the jarjar rules we inherit from our dependencies, any that have been added directly to
+// us, and if it's been set, apply the jarjar_prefix property to rename them.
+func (module *Module) collectJarJarRules(ctx android.ModuleContext) *JarJarProviderData {
+	// Gather repackage information from deps
+	result := collectDirectDepsProviders(ctx)
+
+	// Update that with entries we've stored for ourself
+	for orig, renamed := range module.jarjarRenameRules {
+		if result == nil {
+			result = &JarJarProviderData{
+				Rename: make(map[string]string),
+			}
+		}
+		if renamed != "" {
+			if preexisting, exists := (*result).Rename[orig]; exists && preexisting != renamed {
+				ctx.ModuleErrorf("Conflicting jarjar rules inherited for class: %s (%s and %s)", orig, renamed, preexisting)
+				continue
+			}
+		}
+		(*result).Rename[orig] = renamed
+	}
+
+	// If there are no renamings, then jarjar_prefix does nothing, so skip the extra work.
+	if result == nil {
+		return nil
+	}
+
+	// If they've given us a jarjar_prefix property, then we will use that to rename any classes
+	// that have not yet been renamed.
+	prefix := proptools.String(module.properties.Jarjar_prefix)
+	if prefix != "" {
+		if prefix[0] == '.' {
+			ctx.PropertyErrorf("jarjar_prefix", "jarjar_prefix can not start with '.'")
+			return nil
+		}
+		if prefix[len(prefix)-1] == '.' {
+			ctx.PropertyErrorf("jarjar_prefix", "jarjar_prefix can not end with '.'")
+			return nil
+		}
+
+		var updated map[string]string
+		for orig, renamed := range (*result).Rename {
+			if renamed == "" {
+				if updated == nil {
+					updated = make(map[string]string)
+				}
+				updated[orig] = prefix + "." + orig
+			}
+		}
+		for orig, renamed := range updated {
+			(*result).Rename[orig] = renamed
+		}
+	}
+
+	return result
+}
+
+// Get the jarjar rule text for a given provider for the fully resolved rules. Classes that map
+// to "" won't be in this list because they shouldn't be renamed yet.
+func getJarJarRuleText(provider *JarJarProviderData) string {
+	result := ""
+	for orig, renamed := range provider.Rename {
+		if renamed != "" {
+			result += "rule " + orig + " " + renamed + "\n"
+		}
+	}
+	return result
+}
+
 func addPlugins(deps *deps, pluginJars android.Paths, pluginClasses ...string) {
 	deps.processorPath = append(deps.processorPath, pluginJars...)
 	deps.processorClasses = append(deps.processorClasses, pluginClasses...)
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index c89c643..7c45d30 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -949,7 +949,7 @@
 					builder.CopyToSnapshot(p, dest)
 					dests = append(dests, dest)
 				}
-				hiddenAPISet.AddProperty(category.PropertyName, dests)
+				hiddenAPISet.AddProperty(category.PropertyName(), dests)
 			}
 		}
 	}
@@ -1105,6 +1105,10 @@
 	return nil
 }
 
+func (module *PrebuiltBootclasspathFragmentModule) UseProfileGuidedDexpreopt() bool {
+	return false
+}
+
 var _ android.RequiredFilesFromPrebuiltApex = (*PrebuiltBootclasspathFragmentModule)(nil)
 
 func prebuiltBootclasspathFragmentFactory() android.Module {
diff --git a/java/bootclasspath_fragment_test.go b/java/bootclasspath_fragment_test.go
index 95cd4a9..8bc0a7e 100644
--- a/java/bootclasspath_fragment_test.go
+++ b/java/bootclasspath_fragment_test.go
@@ -467,10 +467,10 @@
 	android.AssertArrayString(t, "single packages", []string{"newlibrary.mine"}, info.SinglePackages)
 	for _, c := range HiddenAPIFlagFileCategories {
 		expectedMaxTargetQPaths := []string(nil)
-		if c.PropertyName == "max_target_q" {
+		if c.PropertyName() == "max_target_q" {
 			expectedMaxTargetQPaths = []string{"my-new-max-target-q.txt"}
 		}
-		android.AssertPathsRelativeToTopEquals(t, c.PropertyName, expectedMaxTargetQPaths, info.FlagFilesByCategory[c])
+		android.AssertPathsRelativeToTopEquals(t, c.PropertyName(), expectedMaxTargetQPaths, info.FlagFilesByCategory[c])
 	}
 
 	// Make sure that the signature-patterns.csv is passed all the appropriate package properties
diff --git a/java/dex.go b/java/dex.go
index cdae0a2..4474c63 100644
--- a/java/dex.go
+++ b/java/dex.go
@@ -262,7 +262,7 @@
 	var proguardRaiseDeps classpath
 	ctx.VisitDirectDepsWithTag(proguardRaiseTag, func(m android.Module) {
 		dep, _ := android.OtherModuleProvider(ctx, m, JavaInfoProvider)
-		proguardRaiseDeps = append(proguardRaiseDeps, dep.HeaderJars...)
+		proguardRaiseDeps = append(proguardRaiseDeps, dep.RepackagedHeaderJars...)
 	})
 
 	r8Flags = append(r8Flags, proguardRaiseDeps.FormJavaClassPath("-libraryjars"))
diff --git a/java/dexpreopt.go b/java/dexpreopt.go
index bd3cce4..9db9b1b 100644
--- a/java/dexpreopt.go
+++ b/java/dexpreopt.go
@@ -29,7 +29,7 @@
 	IsInstallable() bool
 
 	// True if dexpreopt is disabled for the java module.
-	dexpreoptDisabled(ctx android.BaseModuleContext) bool
+	dexpreoptDisabled(ctx android.BaseModuleContext, libraryName string) bool
 
 	// If the java module is to be installed into an APEX, this list contains information about the
 	// dexpreopt outputs to be installed on devices. Note that these dexpreopt outputs are installed
@@ -182,15 +182,9 @@
 	return apexInfo.ForPrebuiltApex
 }
 
-func moduleName(ctx android.BaseModuleContext) string {
-	// Remove the "prebuilt_" prefix if the module is from a prebuilt because the prefix is not
-	// expected by dexpreopter.
-	return android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName())
-}
-
 // Returns whether dexpreopt is applicable to the module.
 // When it returns true, neither profile nor dexpreopt artifacts will be generated.
-func (d *dexpreopter) dexpreoptDisabled(ctx android.BaseModuleContext) bool {
+func (d *dexpreopter) dexpreoptDisabled(ctx android.BaseModuleContext, libName string) bool {
 	if !ctx.Device() {
 		return true
 	}
@@ -213,11 +207,20 @@
 		return true
 	}
 
+	if _, isApex := android.ModuleProvider(ctx, android.ApexBundleInfoProvider); isApex {
+		// dexpreopt rules for system server jars can be generated in the ModuleCtx of prebuilt apexes
+		return false
+	}
+
 	global := dexpreopt.GetGlobalConfig(ctx)
 
-	isApexSystemServerJar := global.AllApexSystemServerJars(ctx).ContainsJar(moduleName(ctx))
-	if isApexVariant(ctx) {
-		// Don't preopt APEX variant module unless the module is an APEX system server jar.
+	// Use the libName argument to determine if the library being dexpreopt'd is a system server jar
+	// ctx.ModuleName() is not safe. In case of prebuilt apexes, the dexpreopt rules of system server jars
+	// are created in the ctx object of the top-level prebuilt apex.
+	isApexSystemServerJar := global.AllApexSystemServerJars(ctx).ContainsJar(libName)
+
+	if _, isApex := android.ModuleProvider(ctx, android.ApexBundleInfoProvider); isApex || isApexVariant(ctx) {
+		// dexpreopt rules for system server jars can be generated in the ModuleCtx of prebuilt apexes
 		if !isApexSystemServerJar {
 			return true
 		}
@@ -234,14 +237,20 @@
 }
 
 func dexpreoptToolDepsMutator(ctx android.BottomUpMutatorContext) {
-	if d, ok := ctx.Module().(DexpreopterInterface); !ok || d.dexpreoptDisabled(ctx) || !dexpreopt.IsDex2oatNeeded(ctx) {
+	if _, isApex := android.ModuleProvider(ctx, android.ApexBundleInfoProvider); isApex && dexpreopt.IsDex2oatNeeded(ctx) {
+		// prebuilt apexes can genererate rules to dexpreopt deapexed jars
+		// Add a dex2oat dep aggressively on _every_ apex module
+		dexpreopt.RegisterToolDeps(ctx)
+		return
+	}
+	if d, ok := ctx.Module().(DexpreopterInterface); !ok || d.dexpreoptDisabled(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName())) || !dexpreopt.IsDex2oatNeeded(ctx) {
 		return
 	}
 	dexpreopt.RegisterToolDeps(ctx)
 }
 
-func (d *dexpreopter) odexOnSystemOther(ctx android.ModuleContext, installPath android.InstallPath) bool {
-	return dexpreopt.OdexOnSystemOtherByName(moduleName(ctx), android.InstallPathToOnDevicePath(ctx, installPath), dexpreopt.GetGlobalConfig(ctx))
+func (d *dexpreopter) odexOnSystemOther(ctx android.ModuleContext, libName string, installPath android.InstallPath) bool {
+	return dexpreopt.OdexOnSystemOtherByName(libName, android.InstallPathToOnDevicePath(ctx, installPath), dexpreopt.GetGlobalConfig(ctx))
 }
 
 // Returns the install path of the dex jar of a module.
@@ -252,13 +261,13 @@
 // This function is on a best-effort basis. It cannot handle the case where an APEX jar is not a
 // system server jar, which is fine because we currently only preopt system server jars for APEXes.
 func (d *dexpreopter) getInstallPath(
-	ctx android.ModuleContext, defaultInstallPath android.InstallPath) android.InstallPath {
+	ctx android.ModuleContext, libName string, defaultInstallPath android.InstallPath) android.InstallPath {
 	global := dexpreopt.GetGlobalConfig(ctx)
-	if global.AllApexSystemServerJars(ctx).ContainsJar(moduleName(ctx)) {
-		dexLocation := dexpreopt.GetSystemServerDexLocation(ctx, global, moduleName(ctx))
+	if global.AllApexSystemServerJars(ctx).ContainsJar(libName) {
+		dexLocation := dexpreopt.GetSystemServerDexLocation(ctx, global, libName)
 		return android.PathForModuleInPartitionInstall(ctx, "", strings.TrimPrefix(dexLocation, "/"))
 	}
-	if !d.dexpreoptDisabled(ctx) && isApexVariant(ctx) &&
+	if !d.dexpreoptDisabled(ctx, libName) && isApexVariant(ctx) &&
 		filepath.Base(defaultInstallPath.PartitionDir()) != "apex" {
 		ctx.ModuleErrorf("unable to get the install path of the dex jar for dexpreopt")
 	}
@@ -273,10 +282,21 @@
 	d.installPath = android.PathForModuleInPartitionInstall(ctx, "", strings.TrimPrefix(dexpreopt.GetSystemServerDexLocation(ctx, dc, libraryName), "/"))
 	// generate the rules for creating the .odex and .vdex files for this system server jar
 	dexJarFile := di.PrebuiltExportPath(ApexRootRelativePathToJavaLib(libraryName))
-	d.dexpreopt(ctx, dexJarFile)
+
+	d.inputProfilePathOnHost = nil // reset: TODO(spandandas): Make dexpreopter stateless
+	if android.InList(libraryName, di.GetDexpreoptProfileGuidedExportedModuleNames()) {
+		// Set the profile path to guide optimization
+		prof := di.PrebuiltExportPath(ApexRootRelativePathToJavaLib(libraryName) + ".prof")
+		if prof == nil {
+			ctx.ModuleErrorf("Could not find a .prof file in this prebuilt apex")
+		}
+		d.inputProfilePathOnHost = prof
+	}
+
+	d.dexpreopt(ctx, libraryName, dexJarFile)
 }
 
-func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, dexJarFile android.WritablePath) {
+func (d *dexpreopter) dexpreopt(ctx android.ModuleContext, libName string, dexJarFile android.WritablePath) {
 	global := dexpreopt.GetGlobalConfig(ctx)
 
 	// TODO(b/148690468): The check on d.installPath is to bail out in cases where
@@ -289,7 +309,7 @@
 
 	dexLocation := android.InstallPathToOnDevicePath(ctx, d.installPath)
 
-	providesUsesLib := moduleName(ctx)
+	providesUsesLib := libName
 	if ulib, ok := ctx.Module().(ProvidesUsesLib); ok {
 		name := ulib.ProvidesUsesLib()
 		if name != nil {
@@ -299,11 +319,11 @@
 
 	// If it is test, make config files regardless of its dexpreopt setting.
 	// The config files are required for apps defined in make which depend on the lib.
-	if d.isTest && d.dexpreoptDisabled(ctx) {
+	if d.isTest && d.dexpreoptDisabled(ctx, libName) {
 		return
 	}
 
-	isSystemServerJar := global.AllSystemServerJars(ctx).ContainsJar(moduleName(ctx))
+	isSystemServerJar := global.AllSystemServerJars(ctx).ContainsJar(libName)
 
 	bootImage := defaultBootImageConfig(ctx)
 	// When `global.PreoptWithUpdatableBcp` is true, `bcpForDexpreopt` below includes the mainline
@@ -322,7 +342,7 @@
 				targets = append(targets, target)
 			}
 		}
-		if isSystemServerJar && moduleName(ctx) != "com.android.location.provider" {
+		if isSystemServerJar && libName != "com.android.location.provider" {
 			// If the module is a system server jar, only preopt for the primary arch because the jar can
 			// only be loaded by system server. "com.android.location.provider" is a special case because
 			// it's also used by apps as a shared library.
@@ -345,6 +365,7 @@
 	var profileClassListing android.OptionalPath
 	var profileBootListing android.OptionalPath
 	profileIsTextListing := false
+
 	if d.inputProfilePathOnHost != nil {
 		profileClassListing = android.OptionalPathForPath(d.inputProfilePathOnHost)
 	} else if BoolDefault(d.dexpreoptProperties.Dex_preopt.Profile_guided, true) && !forPrebuiltApex(ctx) {
@@ -358,7 +379,7 @@
 			profileIsTextListing = true
 		} else if global.ProfileDir != "" {
 			profileClassListing = android.ExistentPathForSource(ctx,
-				global.ProfileDir, moduleName(ctx)+".prof")
+				global.ProfileDir, libName+".prof")
 		}
 	}
 
@@ -370,9 +391,9 @@
 
 	// Full dexpreopt config, used to create dexpreopt build rules.
 	dexpreoptConfig := &dexpreopt.ModuleConfig{
-		Name:            moduleName(ctx),
+		Name:            libName,
 		DexLocation:     dexLocation,
-		BuildPath:       android.PathForModuleOut(ctx, "dexpreopt", dexJarStem, moduleName(ctx)+".jar").OutputPath,
+		BuildPath:       android.PathForModuleOut(ctx, "dexpreopt", dexJarStem, libName+".jar").OutputPath,
 		DexPath:         dexJarFile,
 		ManifestPath:    android.OptionalPathForPath(d.manifestFile),
 		UncompressedDex: d.uncompressedDex,
@@ -405,7 +426,7 @@
 	d.configPath = android.PathForModuleOut(ctx, "dexpreopt", dexJarStem, "dexpreopt.config")
 	dexpreopt.WriteModuleConfig(ctx, dexpreoptConfig, d.configPath)
 
-	if d.dexpreoptDisabled(ctx) {
+	if d.dexpreoptDisabled(ctx, libName) {
 		return
 	}
 
@@ -476,7 +497,7 @@
 				// The installs will be handled by Make as sub-modules of the java library.
 				d.builtInstalledForApex = append(d.builtInstalledForApex, dexpreopterInstall{
 					name:                arch + "-" + installBase,
-					moduleName:          dexJarStem,
+					moduleName:          libName,
 					outputPathOnHost:    install.From,
 					installDirOnDevice:  installPath,
 					installFileOnDevice: installBase,
diff --git a/java/dexpreopt_bootjars.go b/java/dexpreopt_bootjars.go
index ec8b4c8..01f60d4 100644
--- a/java/dexpreopt_bootjars.go
+++ b/java/dexpreopt_bootjars.go
@@ -617,7 +617,8 @@
 
 // GenerateSingletonBuildActions generates build rules for the dexpreopt config for Make.
 func (d *dexpreoptBootJars) GenerateSingletonBuildActions(ctx android.SingletonContext) {
-	d.dexpreoptConfigForMake = android.PathForOutput(ctx, getDexpreoptDirName(ctx), "dexpreopt.config")
+	d.dexpreoptConfigForMake =
+		android.PathForOutput(ctx, dexpreopt.GetDexpreoptDirName(ctx), "dexpreopt.config")
 	writeGlobalConfigForMake(ctx, d.dexpreoptConfigForMake)
 }
 
@@ -1066,8 +1067,8 @@
 		cmd.FlagWithArg("--instruction-set-features=", global.InstructionSetFeatures[arch])
 	}
 
-	if global.EnableUffdGc && image.target.Os == android.Android {
-		cmd.Flag("--runtime-arg").Flag("-Xgc:CMC")
+	if image.target.Os == android.Android {
+		cmd.Text("$(cat").Input(globalSoong.UffdGcFlag).Text(")")
 	}
 
 	if global.BootFlags != "" {
@@ -1235,7 +1236,7 @@
 func dumpOatRules(ctx android.ModuleContext, image *bootImageConfig) {
 	var allPhonies android.Paths
 	name := image.name
-	global := dexpreopt.GetGlobalConfig(ctx)
+	globalSoong := dexpreopt.GetGlobalSoongConfig(ctx)
 	for _, image := range image.variants {
 		arch := image.target.Arch.ArchType
 		suffix := arch.String()
@@ -1247,6 +1248,7 @@
 		output := android.PathForOutput(ctx, name+"."+suffix+".oatdump.txt")
 		rule := android.NewRuleBuilder(pctx, ctx)
 		imageLocationsOnHost, _ := image.imageLocations()
+
 		cmd := rule.Command().
 			BuiltTool("oatdump").
 			FlagWithInputList("--runtime-arg -Xbootclasspath:", image.dexPathsDeps.Paths(), ":").
@@ -1254,8 +1256,8 @@
 			FlagWithArg("--image=", strings.Join(imageLocationsOnHost, ":")).Implicits(image.imagesDeps.Paths()).
 			FlagWithOutput("--output=", output).
 			FlagWithArg("--instruction-set=", arch.String())
-		if global.EnableUffdGc && image.target.Os == android.Android {
-			cmd.Flag("--runtime-arg").Flag("-Xgc:CMC")
+		if image.target.Os == android.Android {
+			cmd.Text("$(cat").Input(globalSoong.UffdGcFlag).Text(")")
 		}
 		rule.Build("dump-oat-"+name+"-"+suffix, "dump oat "+name+" "+arch.String())
 
diff --git a/java/dexpreopt_config.go b/java/dexpreopt_config.go
index 254b2c1..dc0973c 100644
--- a/java/dexpreopt_config.go
+++ b/java/dexpreopt_config.go
@@ -115,7 +115,7 @@
 func genBootImageConfigs(ctx android.PathContext) map[string]*bootImageConfig {
 	return ctx.Config().Once(bootImageConfigKey, func() interface{} {
 		targets := dexpreoptTargets(ctx)
-		deviceDir := android.PathForOutput(ctx, getDexpreoptDirName(ctx))
+		deviceDir := android.PathForOutput(ctx, dexpreopt.GetDexpreoptDirName(ctx))
 
 		configs := genBootImageConfigRaw(ctx)
 
@@ -234,12 +234,3 @@
 func dexpreoptConfigMakevars(ctx android.MakeVarsContext) {
 	ctx.Strict("DEXPREOPT_BOOT_JARS_MODULES", strings.Join(defaultBootImageConfig(ctx).modules.CopyOfApexJarPairs(), ":"))
 }
-
-func getDexpreoptDirName(ctx android.PathContext) string {
-	prefix := "dexpreopt_"
-	targets := ctx.Config().Targets[android.Android]
-	if len(targets) > 0 {
-		return prefix + targets[0].Arch.ArchType.String()
-	}
-	return prefix + "unknown_target"
-}
diff --git a/java/droiddoc.go b/java/droiddoc.go
index 7a61034..cfbf2b4 100644
--- a/java/droiddoc.go
+++ b/java/droiddoc.go
@@ -182,6 +182,17 @@
 
 func apiCheckEnabled(ctx android.ModuleContext, apiToCheck ApiToCheck, apiVersionTag string) bool {
 	if ctx.Config().IsEnvTrue("WITHOUT_CHECK_API") {
+		if ctx.Config().BuildFromTextStub() {
+			ctx.ModuleErrorf("Generating stubs from api signature files is not available " +
+				"with WITHOUT_CHECK_API=true, as sync between the source Java files and the " +
+				"api signature files is not guaranteed.\n" +
+				"In order to utilize WITHOUT_CHECK_API, generate stubs from the source Java " +
+				"files with BUILD_FROM_SOURCE_STUB=true.\n" +
+				"However, the usage of WITHOUT_CHECK_API is not preferred as the incremental " +
+				"build is slower when generating stubs from the source Java files.\n" +
+				"Consider updating the api signature files and generating the stubs from " +
+				"them instead.")
+		}
 		return false
 	} else if String(apiToCheck.Api_file) != "" && String(apiToCheck.Removed_api_file) != "" {
 		return true
diff --git a/java/droidstubs.go b/java/droidstubs.go
index 0626313..4267545 100644
--- a/java/droidstubs.go
+++ b/java/droidstubs.go
@@ -65,15 +65,22 @@
 	ctx.RegisterModuleType("prebuilt_stubs_sources", PrebuiltStubsSourcesFactory)
 }
 
+type stubsArtifacts struct {
+	nullabilityWarningsFile android.WritablePath
+	annotationsZip          android.WritablePath
+	apiVersionsXml          android.WritablePath
+	metadataZip             android.WritablePath
+	metadataDir             android.WritablePath
+}
+
 // Droidstubs
 type Droidstubs struct {
 	Javadoc
 	embeddableInModuleAndImport
 
-	properties              DroidstubsProperties
-	apiFile                 android.Path
-	removedApiFile          android.Path
-	nullabilityWarningsFile android.WritablePath
+	properties     DroidstubsProperties
+	apiFile        android.Path
+	removedApiFile android.Path
 
 	checkCurrentApiTimestamp      android.WritablePath
 	updateCurrentApiTimestamp     android.WritablePath
@@ -83,22 +90,14 @@
 
 	checkNullabilityWarningsTimestamp android.WritablePath
 
-	annotationsZip android.WritablePath
-	apiVersionsXml android.WritablePath
-
-	metadataZip android.WritablePath
-	metadataDir android.WritablePath
+	everythingArtifacts stubsArtifacts
+	exportableArtifacts stubsArtifacts
 
 	// Single aconfig "cache file" merged from this module and all dependencies.
 	mergedAconfigFiles map[string]android.Paths
 
-	exportableApiFile                 android.WritablePath
-	exportableRemovedApiFile          android.WritablePath
-	exportableNullabilityWarningsFile android.WritablePath
-	exportableAnnotationsZip          android.WritablePath
-	exportableApiVersionsXml          android.WritablePath
-	exportableMetadataZip             android.WritablePath
-	exportableMetadataDir             android.WritablePath
+	exportableApiFile        android.WritablePath
+	exportableRemovedApiFile android.WritablePath
 }
 
 type DroidstubsProperties struct {
@@ -192,34 +191,22 @@
 
 // Used by xsd_config
 type ApiFilePath interface {
-	ApiFilePath() android.Path
+	ApiFilePath(StubsType) (android.Path, error)
 }
 
 type ApiStubsSrcProvider interface {
-	StubsSrcJar() android.Path
-}
-
-type ExportableApiStubsSrcProvider interface {
-	ExportableStubsSrcJar() android.Path
+	StubsSrcJar(StubsType) (android.Path, error)
 }
 
 // Provider of information about API stubs, used by java_sdk_library.
 type ApiStubsProvider interface {
-	AnnotationsZip() android.Path
+	AnnotationsZip(StubsType) (android.Path, error)
 	ApiFilePath
-	RemovedApiFilePath() android.Path
+	RemovedApiFilePath(StubsType) (android.Path, error)
 
 	ApiStubsSrcProvider
 }
 
-type ExportableApiStubsProvider interface {
-	ExportableAnnotationsZip() android.Path
-	ExportableApiFilePath() android.Path
-	ExportableRemovedApiFilePath() android.Path
-
-	ExportableApiStubsSrcProvider
-}
-
 type currentApiTimestampProvider interface {
 	CurrentApiTimestamp() android.Path
 }
@@ -323,115 +310,112 @@
 	}
 	switch prefixRemovedTag {
 	case "":
-		return d.StubsSrcJarWithStubsType(stubsType)
+		stubsSrcJar, err := d.StubsSrcJar(stubsType)
+		return android.Paths{stubsSrcJar}, err
 	case ".docs.zip":
-		return d.DocZipWithStubsType(stubsType)
+		docZip, err := d.DocZip(stubsType)
+		return android.Paths{docZip}, err
 	case ".api.txt", android.DefaultDistTag:
 		// This is the default dist path for dist properties that have no tag property.
-		return d.ApiFilePathWithStubsType(stubsType)
+		apiFilePath, err := d.ApiFilePath(stubsType)
+		return android.Paths{apiFilePath}, err
 	case ".removed-api.txt":
-		return d.RemovedApiFilePathWithStubsType(stubsType)
+		removedApiFilePath, err := d.RemovedApiFilePath(stubsType)
+		return android.Paths{removedApiFilePath}, err
 	case ".annotations.zip":
-		return d.AnnotationsZipWithStubsType(stubsType)
+		annotationsZip, err := d.AnnotationsZip(stubsType)
+		return android.Paths{annotationsZip}, err
 	case ".api_versions.xml":
-		return d.ApiVersionsXmlFilePathWithStubsType(stubsType)
+		apiVersionsXmlFilePath, err := d.ApiVersionsXmlFilePath(stubsType)
+		return android.Paths{apiVersionsXmlFilePath}, err
 	default:
 		return nil, fmt.Errorf("unsupported module reference tag %q", tag)
 	}
 }
 
-func (d *Droidstubs) AnnotationsZip() android.Path {
-	return d.annotationsZip
-}
-
-func (d *Droidstubs) ExportableAnnotationsZip() android.Path {
-	return d.exportableAnnotationsZip
-}
-
-func (d *Droidstubs) AnnotationsZipWithStubsType(stubsType StubsType) (android.Paths, error) {
+func (d *Droidstubs) AnnotationsZip(stubsType StubsType) (ret android.Path, err error) {
 	switch stubsType {
 	case Everything:
-		return android.Paths{d.AnnotationsZip()}, nil
+		ret, err = d.everythingArtifacts.annotationsZip, nil
 	case Exportable:
-		return android.Paths{d.ExportableAnnotationsZip()}, nil
+		ret, err = d.exportableArtifacts.annotationsZip, nil
 	default:
-		return nil, fmt.Errorf("annotations zip not supported for the stub type %s", stubsType.String())
+		ret, err = nil, fmt.Errorf("annotations zip not supported for the stub type %s", stubsType.String())
 	}
+	return ret, err
 }
 
-func (d *Droidstubs) ApiFilePath() android.Path {
-	return d.apiFile
-}
-
-func (d *Droidstubs) ExportableApiFilePath() android.Path {
-	return d.exportableApiFile
-}
-
-func (d *Droidstubs) ApiFilePathWithStubsType(stubsType StubsType) (android.Paths, error) {
+func (d *Droidstubs) ApiFilePath(stubsType StubsType) (ret android.Path, err error) {
 	switch stubsType {
 	case Everything:
-		return android.Paths{d.ApiFilePath()}, nil
+		ret, err = d.apiFile, nil
 	case Exportable:
-		return android.Paths{d.ExportableApiFilePath()}, nil
+		ret, err = d.exportableApiFile, nil
 	default:
-		return nil, fmt.Errorf("api file path not supported for the stub type %s", stubsType.String())
+		ret, err = nil, fmt.Errorf("api file path not supported for the stub type %s", stubsType.String())
 	}
+	if ret == nil && err == nil {
+		err = fmt.Errorf("stubs srcjar is null for the stub type %s", stubsType.String())
+	}
+	return ret, err
 }
 
-func (d *Droidstubs) ApiVersionsXmlFilePathWithStubsType(stubsType StubsType) (android.Paths, error) {
+func (d *Droidstubs) ApiVersionsXmlFilePath(stubsType StubsType) (ret android.Path, err error) {
 	switch stubsType {
 	case Everything:
-		return android.Paths{d.apiVersionsXml}, nil
-	default:
-		return nil, fmt.Errorf("api versions xml file path not supported for the stub type %s", stubsType.String())
-	}
-}
-
-func (d *Droidstubs) DocZipWithStubsType(stubsType StubsType) (android.Paths, error) {
-	switch stubsType {
-	case Everything:
-		return android.Paths{d.docZip}, nil
-	default:
-		return nil, fmt.Errorf("docs zip not supported for the stub type %s", stubsType.String())
-	}
-}
-
-func (d *Droidstubs) RemovedApiFilePath() android.Path {
-	return d.removedApiFile
-}
-
-func (d *Droidstubs) ExportableRemovedApiFilePath() android.Path {
-	return d.exportableRemovedApiFile
-}
-
-func (d *Droidstubs) RemovedApiFilePathWithStubsType(stubsType StubsType) (android.Paths, error) {
-	switch stubsType {
-	case Everything:
-		return android.Paths{d.RemovedApiFilePath()}, nil
+		ret, err = d.everythingArtifacts.apiVersionsXml, nil
 	case Exportable:
-		return android.Paths{d.ExportableRemovedApiFilePath()}, nil
+		ret, err = d.exportableArtifacts.apiVersionsXml, nil
 	default:
-		return nil, fmt.Errorf("removed api file path not supported for the stub type %s", stubsType.String())
+		ret, err = nil, fmt.Errorf("api versions xml file path not supported for the stub type %s", stubsType.String())
 	}
+	if ret == nil && err == nil {
+		err = fmt.Errorf("api versions xml file is null for the stub type %s", stubsType.String())
+	}
+	return ret, err
 }
 
-func (d *Droidstubs) StubsSrcJar() android.Path {
-	return d.stubsSrcJar
-}
-
-func (d *Droidstubs) ExportableStubsSrcJar() android.Path {
-	return d.exportableStubsSrcJar
-}
-
-func (d *Droidstubs) StubsSrcJarWithStubsType(stubsType StubsType) (android.Paths, error) {
+func (d *Droidstubs) DocZip(stubsType StubsType) (ret android.Path, err error) {
 	switch stubsType {
 	case Everything:
-		return android.Paths{d.StubsSrcJar()}, nil
-	case Exportable:
-		return android.Paths{d.ExportableStubsSrcJar()}, nil
+		ret, err = d.docZip, nil
 	default:
-		return nil, fmt.Errorf("stubs srcjar not supported for the stub type %s", stubsType.String())
+		ret, err = nil, fmt.Errorf("docs zip not supported for the stub type %s", stubsType.String())
 	}
+	if ret == nil && err == nil {
+		err = fmt.Errorf("docs zip is null for the stub type %s", stubsType.String())
+	}
+	return ret, err
+}
+
+func (d *Droidstubs) RemovedApiFilePath(stubsType StubsType) (ret android.Path, err error) {
+	switch stubsType {
+	case Everything:
+		ret, err = d.removedApiFile, nil
+	case Exportable:
+		ret, err = d.exportableRemovedApiFile, nil
+	default:
+		ret, err = nil, fmt.Errorf("removed api file path not supported for the stub type %s", stubsType.String())
+	}
+	if ret == nil && err == nil {
+		err = fmt.Errorf("removed api file is null for the stub type %s", stubsType.String())
+	}
+	return ret, err
+}
+
+func (d *Droidstubs) StubsSrcJar(stubsType StubsType) (ret android.Path, err error) {
+	switch stubsType {
+	case Everything:
+		ret, err = d.stubsSrcJar, nil
+	case Exportable:
+		ret, err = d.exportableStubsSrcJar, nil
+	default:
+		ret, err = nil, fmt.Errorf("stubs srcjar not supported for the stub type %s", stubsType.String())
+	}
+	if ret == nil && err == nil {
+		err = fmt.Errorf("stubs srcjar is null for the stub type %s", stubsType.String())
+	}
+	return ret, err
 }
 
 func (d *Droidstubs) CurrentApiTimestamp() android.Path {
@@ -576,11 +560,17 @@
 	var apiVersions android.Path
 	if proptools.Bool(d.properties.Api_levels_annotations_enabled) {
 		d.apiLevelsGenerationFlags(ctx, cmd, stubsType, apiVersionsXml)
-		apiVersions = d.apiVersionsXml
+		apiVersions = apiVersionsXml
 	} else {
 		ctx.VisitDirectDepsWithTag(metalavaAPILevelsModuleTag, func(m android.Module) {
 			if s, ok := m.(*Droidstubs); ok {
-				apiVersions = s.apiVersionsXml
+				if stubsType == Everything {
+					apiVersions = s.everythingArtifacts.apiVersionsXml
+				} else if stubsType == Exportable {
+					apiVersions = s.exportableArtifacts.apiVersionsXml
+				} else {
+					ctx.ModuleErrorf("%s stubs type does not generate api-versions.xml file", stubsType.String())
+				}
 			} else {
 				ctx.PropertyErrorf("api_levels_module",
 					"module %q is not a droidstubs module", ctx.OtherModuleName(m))
@@ -839,28 +829,28 @@
 	}
 
 	if params.writeSdkValues {
-		d.metadataDir = android.PathForModuleOut(ctx, Everything.String(), "metadata")
-		d.metadataZip = android.PathForModuleOut(ctx, Everything.String(), ctx.ModuleName()+"-metadata.zip")
+		d.everythingArtifacts.metadataDir = android.PathForModuleOut(ctx, Everything.String(), "metadata")
+		d.everythingArtifacts.metadataZip = android.PathForModuleOut(ctx, Everything.String(), ctx.ModuleName()+"-metadata.zip")
 	}
 
 	if Bool(d.properties.Annotations_enabled) {
 		if params.validatingNullability {
-			d.nullabilityWarningsFile = android.PathForModuleOut(ctx, Everything.String(), ctx.ModuleName()+"_nullability_warnings.txt")
+			d.everythingArtifacts.nullabilityWarningsFile = android.PathForModuleOut(ctx, Everything.String(), ctx.ModuleName()+"_nullability_warnings.txt")
 		}
-		d.annotationsZip = android.PathForModuleOut(ctx, Everything.String(), ctx.ModuleName()+"_annotations.zip")
+		d.everythingArtifacts.annotationsZip = android.PathForModuleOut(ctx, Everything.String(), ctx.ModuleName()+"_annotations.zip")
 	}
 	if Bool(d.properties.Api_levels_annotations_enabled) {
-		d.apiVersionsXml = android.PathForModuleOut(ctx, Everything.String(), "api-versions.xml")
+		d.everythingArtifacts.apiVersionsXml = android.PathForModuleOut(ctx, Everything.String(), "api-versions.xml")
 	}
 
 	commonCmdParams := stubsCommandParams{
 		srcJarDir:               srcJarDir,
 		stubsDir:                stubsDir,
 		stubsSrcJar:             d.Javadoc.stubsSrcJar,
-		metadataDir:             d.metadataDir,
-		apiVersionsXml:          d.apiVersionsXml,
-		nullabilityWarningsFile: d.nullabilityWarningsFile,
-		annotationsZip:          d.annotationsZip,
+		metadataDir:             d.everythingArtifacts.metadataDir,
+		apiVersionsXml:          d.everythingArtifacts.apiVersionsXml,
+		nullabilityWarningsFile: d.everythingArtifacts.nullabilityWarningsFile,
+		annotationsZip:          d.everythingArtifacts.annotationsZip,
 		stubConfig:              params,
 	}
 
@@ -883,9 +873,9 @@
 			BuiltTool("soong_zip").
 			Flag("-write_if_changed").
 			Flag("-d").
-			FlagWithOutput("-o ", d.metadataZip).
-			FlagWithArg("-C ", d.metadataDir.String()).
-			FlagWithArg("-D ", d.metadataDir.String())
+			FlagWithOutput("-o ", d.everythingArtifacts.metadataZip).
+			FlagWithArg("-C ", d.everythingArtifacts.metadataDir.String()).
+			FlagWithArg("-D ", d.everythingArtifacts.metadataDir.String())
 	}
 
 	// TODO: We don't really need two separate API files, but this is a reminiscence of how
@@ -1015,26 +1005,29 @@
 		stubConfig: params,
 	}
 
-	d.Javadoc.exportableStubsSrcJar = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"-"+"stubs.srcjar")
-	optionalCmdParams.stubsSrcJar = d.Javadoc.exportableStubsSrcJar
+	if params.generateStubs {
+		d.Javadoc.exportableStubsSrcJar = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"-"+"stubs.srcjar")
+		optionalCmdParams.stubsSrcJar = d.Javadoc.exportableStubsSrcJar
+	}
+
 	if params.writeSdkValues {
-		d.exportableMetadataZip = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"-metadata.zip")
-		d.exportableMetadataDir = android.PathForModuleOut(ctx, params.stubsType.String(), "metadata")
-		optionalCmdParams.metadataZip = d.exportableMetadataZip
-		optionalCmdParams.metadataDir = d.exportableMetadataDir
+		d.exportableArtifacts.metadataZip = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"-metadata.zip")
+		d.exportableArtifacts.metadataDir = android.PathForModuleOut(ctx, params.stubsType.String(), "metadata")
+		optionalCmdParams.metadataZip = d.exportableArtifacts.metadataZip
+		optionalCmdParams.metadataDir = d.exportableArtifacts.metadataDir
 	}
 
 	if Bool(d.properties.Annotations_enabled) {
 		if params.validatingNullability {
-			d.exportableNullabilityWarningsFile = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"_nullability_warnings.txt")
-			optionalCmdParams.nullabilityWarningsFile = d.exportableNullabilityWarningsFile
+			d.exportableArtifacts.nullabilityWarningsFile = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"_nullability_warnings.txt")
+			optionalCmdParams.nullabilityWarningsFile = d.exportableArtifacts.nullabilityWarningsFile
 		}
-		d.exportableAnnotationsZip = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"_annotations.zip")
-		optionalCmdParams.annotationsZip = d.exportableAnnotationsZip
+		d.exportableArtifacts.annotationsZip = android.PathForModuleOut(ctx, params.stubsType.String(), ctx.ModuleName()+"_annotations.zip")
+		optionalCmdParams.annotationsZip = d.exportableArtifacts.annotationsZip
 	}
 	if Bool(d.properties.Api_levels_annotations_enabled) {
-		d.exportableApiVersionsXml = android.PathForModuleOut(ctx, params.stubsType.String(), "api-versions.xml")
-		optionalCmdParams.apiVersionsXml = d.exportableApiVersionsXml
+		d.exportableArtifacts.apiVersionsXml = android.PathForModuleOut(ctx, params.stubsType.String(), "api-versions.xml")
+		optionalCmdParams.apiVersionsXml = d.exportableArtifacts.apiVersionsXml
 	}
 
 	if params.checkApi || String(d.properties.Api_filename) != "" {
@@ -1194,7 +1187,8 @@
 			`either of the two choices above and try re-building the target.\n`+
 			`If the mismatch between the stubs and the current.txt is intended,\n`+
 			`you can try re-building the target by executing the following command:\n`+
-			`m DISABLE_STUB_VALIDATION=true <your build target>\n`+
+			`m DISABLE_STUB_VALIDATION=true <your build target>.\n`+
+			`Note that DISABLE_STUB_VALIDATION=true does not bypass checkapi.\n`+
 			`******************************\n`, ctx.ModuleName())
 
 		rule.Command().
@@ -1234,7 +1228,7 @@
 	}
 
 	if String(d.properties.Check_nullability_warnings) != "" {
-		if d.nullabilityWarningsFile == nil {
+		if d.everythingArtifacts.nullabilityWarningsFile == nil {
 			ctx.PropertyErrorf("check_nullability_warnings",
 				"Cannot specify check_nullability_warnings unless validating nullability")
 		}
@@ -1251,13 +1245,13 @@
 			`   2. Update the file of expected warnings by running:\n`+
 			`         cp %s %s\n`+
 			`       and submitting the updated file as part of your change.`,
-			d.nullabilityWarningsFile, checkNullabilityWarnings)
+			d.everythingArtifacts.nullabilityWarningsFile, checkNullabilityWarnings)
 
 		rule := android.NewRuleBuilder(pctx, ctx)
 
 		rule.Command().
 			Text("(").
-			Text("diff").Input(checkNullabilityWarnings).Input(d.nullabilityWarningsFile).
+			Text("diff").Input(checkNullabilityWarnings).Input(d.everythingArtifacts.nullabilityWarningsFile).
 			Text("&&").
 			Text("touch").Output(d.checkNullabilityWarningsTimestamp).
 			Text(") || (").
@@ -1351,8 +1345,8 @@
 	}
 }
 
-func (d *PrebuiltStubsSources) StubsSrcJar() android.Path {
-	return d.stubsSrcJar
+func (d *PrebuiltStubsSources) StubsSrcJar(_ StubsType) (android.Path, error) {
+	return d.stubsSrcJar, nil
 }
 
 func (p *PrebuiltStubsSources) GenerateAndroidBuildActions(ctx android.ModuleContext) {
diff --git a/java/generated_java_library.go b/java/generated_java_library.go
index 40f780c..e8316cc 100644
--- a/java/generated_java_library.go
+++ b/java/generated_java_library.go
@@ -107,3 +107,8 @@
 	module.Library.properties.Generated_srcjars = append(module.Library.properties.Generated_srcjars, srcJarPath)
 	module.Library.GenerateAndroidBuildActions(ctx)
 }
+
+// Add a rule to the jarjar renaming rules.  See RepackageProviderData.
+func (module *GeneratedJavaLibraryModule) AddJarJarRenameRule(original string, renamed string) {
+	module.addJarJarRenameRule(original, renamed)
+}
diff --git a/java/hiddenapi_modular.go b/java/hiddenapi_modular.go
index 3c7cf3a..e4beb5e 100644
--- a/java/hiddenapi_modular.go
+++ b/java/hiddenapi_modular.go
@@ -435,122 +435,118 @@
 	}
 }
 
-type hiddenAPIFlagFileCategory struct {
-	// PropertyName is the name of the property for this category.
-	PropertyName string
+type hiddenAPIFlagFileCategory int
 
-	// propertyValueReader retrieves the value of the property for this category from the set of
-	// properties.
-	propertyValueReader func(properties *HiddenAPIFlagFileProperties) []string
+const (
+	// The flag file category for removed members of the API.
+	//
+	// This is extracted from HiddenAPIFlagFileCategories as it is needed to add the dex signatures
+	// list of removed API members that are generated automatically from the removed.txt files provided
+	// by API stubs.
+	hiddenAPIFlagFileCategoryRemoved hiddenAPIFlagFileCategory = iota
+	hiddenAPIFlagFileCategoryUnsupported
+	hiddenAPIFlagFileCategoryMaxTargetRLowPriority
+	hiddenAPIFlagFileCategoryMaxTargetQ
+	hiddenAPIFlagFileCategoryMaxTargetP
+	hiddenAPIFlagFileCategoryMaxTargetOLowPriority
+	hiddenAPIFlagFileCategoryBlocked
+	hiddenAPIFlagFileCategoryUnsupportedPackages
+)
 
-	// commandMutator adds the appropriate command line options for this category to the supplied
-	// command
-	commandMutator func(command *android.RuleBuilderCommand, path android.Path)
-}
-
-// The flag file category for removed members of the API.
-//
-// This is extracted from HiddenAPIFlagFileCategories as it is needed to add the dex signatures
-// list of removed API members that are generated automatically from the removed.txt files provided
-// by API stubs.
-var hiddenAPIRemovedFlagFileCategory = &hiddenAPIFlagFileCategory{
-	// See HiddenAPIFlagFileProperties.Removed
-	PropertyName: "removed",
-	propertyValueReader: func(properties *HiddenAPIFlagFileProperties) []string {
-		return properties.Hidden_api.Removed
-	},
-	commandMutator: func(command *android.RuleBuilderCommand, path android.Path) {
-		command.FlagWithInput("--unsupported ", path).Flag("--ignore-conflicts ").FlagWithArg("--tag ", "removed")
-	},
-}
-
-type hiddenAPIFlagFileCategories []*hiddenAPIFlagFileCategory
-
-func (c hiddenAPIFlagFileCategories) byProperty(name string) *hiddenAPIFlagFileCategory {
-	for _, category := range c {
-		if category.PropertyName == name {
-			return category
-		}
+func (c hiddenAPIFlagFileCategory) PropertyName() string {
+	switch c {
+	case hiddenAPIFlagFileCategoryRemoved:
+		return "removed"
+	case hiddenAPIFlagFileCategoryUnsupported:
+		return "unsupported"
+	case hiddenAPIFlagFileCategoryMaxTargetRLowPriority:
+		return "max_target_r_low_priority"
+	case hiddenAPIFlagFileCategoryMaxTargetQ:
+		return "max_target_q"
+	case hiddenAPIFlagFileCategoryMaxTargetP:
+		return "max_target_p"
+	case hiddenAPIFlagFileCategoryMaxTargetOLowPriority:
+		return "max_target_o_low_priority"
+	case hiddenAPIFlagFileCategoryBlocked:
+		return "blocked"
+	case hiddenAPIFlagFileCategoryUnsupportedPackages:
+		return "unsupported_packages"
+	default:
+		panic(fmt.Sprintf("Unknown hidden api flag file category type: %d", c))
 	}
-	panic(fmt.Errorf("no category exists with property name %q in %v", name, c))
 }
 
+// propertyValueReader retrieves the value of the property for this category from the set of properties.
+func (c hiddenAPIFlagFileCategory) propertyValueReader(properties *HiddenAPIFlagFileProperties) []string {
+	switch c {
+	case hiddenAPIFlagFileCategoryRemoved:
+		return properties.Hidden_api.Removed
+	case hiddenAPIFlagFileCategoryUnsupported:
+		return properties.Hidden_api.Unsupported
+	case hiddenAPIFlagFileCategoryMaxTargetRLowPriority:
+		return properties.Hidden_api.Max_target_r_low_priority
+	case hiddenAPIFlagFileCategoryMaxTargetQ:
+		return properties.Hidden_api.Max_target_q
+	case hiddenAPIFlagFileCategoryMaxTargetP:
+		return properties.Hidden_api.Max_target_p
+	case hiddenAPIFlagFileCategoryMaxTargetOLowPriority:
+		return properties.Hidden_api.Max_target_o_low_priority
+	case hiddenAPIFlagFileCategoryBlocked:
+		return properties.Hidden_api.Blocked
+	case hiddenAPIFlagFileCategoryUnsupportedPackages:
+		return properties.Hidden_api.Unsupported_packages
+	default:
+		panic(fmt.Sprintf("Unknown hidden api flag file category type: %d", c))
+	}
+}
+
+// commandMutator adds the appropriate command line options for this category to the supplied command
+func (c hiddenAPIFlagFileCategory) commandMutator(command *android.RuleBuilderCommand, path android.Path) {
+	switch c {
+	case hiddenAPIFlagFileCategoryRemoved:
+		command.FlagWithInput("--unsupported ", path).Flag("--ignore-conflicts ").FlagWithArg("--tag ", "removed")
+	case hiddenAPIFlagFileCategoryUnsupported:
+		command.FlagWithInput("--unsupported ", path)
+	case hiddenAPIFlagFileCategoryMaxTargetRLowPriority:
+		command.FlagWithInput("--max-target-r ", path).FlagWithArg("--tag ", "lo-prio")
+	case hiddenAPIFlagFileCategoryMaxTargetQ:
+		command.FlagWithInput("--max-target-q ", path)
+	case hiddenAPIFlagFileCategoryMaxTargetP:
+		command.FlagWithInput("--max-target-p ", path)
+	case hiddenAPIFlagFileCategoryMaxTargetOLowPriority:
+		command.FlagWithInput("--max-target-o ", path).Flag("--ignore-conflicts ").FlagWithArg("--tag ", "lo-prio")
+	case hiddenAPIFlagFileCategoryBlocked:
+		command.FlagWithInput("--blocked ", path)
+	case hiddenAPIFlagFileCategoryUnsupportedPackages:
+		command.FlagWithInput("--unsupported ", path).Flag("--packages ")
+	default:
+		panic(fmt.Sprintf("Unknown hidden api flag file category type: %d", c))
+	}
+}
+
+type hiddenAPIFlagFileCategories []hiddenAPIFlagFileCategory
+
 var HiddenAPIFlagFileCategories = hiddenAPIFlagFileCategories{
 	// See HiddenAPIFlagFileProperties.Unsupported
-	{
-		PropertyName: "unsupported",
-		propertyValueReader: func(properties *HiddenAPIFlagFileProperties) []string {
-			return properties.Hidden_api.Unsupported
-		},
-		commandMutator: func(command *android.RuleBuilderCommand, path android.Path) {
-			command.FlagWithInput("--unsupported ", path)
-		},
-	},
-	hiddenAPIRemovedFlagFileCategory,
+	hiddenAPIFlagFileCategoryUnsupported,
+	// See HiddenAPIFlagFileProperties.Removed
+	hiddenAPIFlagFileCategoryRemoved,
 	// See HiddenAPIFlagFileProperties.Max_target_r_low_priority
-	{
-		PropertyName: "max_target_r_low_priority",
-		propertyValueReader: func(properties *HiddenAPIFlagFileProperties) []string {
-			return properties.Hidden_api.Max_target_r_low_priority
-		},
-		commandMutator: func(command *android.RuleBuilderCommand, path android.Path) {
-			command.FlagWithInput("--max-target-r ", path).FlagWithArg("--tag ", "lo-prio")
-		},
-	},
+	hiddenAPIFlagFileCategoryMaxTargetRLowPriority,
 	// See HiddenAPIFlagFileProperties.Max_target_q
-	{
-		PropertyName: "max_target_q",
-		propertyValueReader: func(properties *HiddenAPIFlagFileProperties) []string {
-			return properties.Hidden_api.Max_target_q
-		},
-		commandMutator: func(command *android.RuleBuilderCommand, path android.Path) {
-			command.FlagWithInput("--max-target-q ", path)
-		},
-	},
+	hiddenAPIFlagFileCategoryMaxTargetQ,
 	// See HiddenAPIFlagFileProperties.Max_target_p
-	{
-		PropertyName: "max_target_p",
-		propertyValueReader: func(properties *HiddenAPIFlagFileProperties) []string {
-			return properties.Hidden_api.Max_target_p
-		},
-		commandMutator: func(command *android.RuleBuilderCommand, path android.Path) {
-			command.FlagWithInput("--max-target-p ", path)
-		},
-	},
+	hiddenAPIFlagFileCategoryMaxTargetP,
 	// See HiddenAPIFlagFileProperties.Max_target_o_low_priority
-	{
-		PropertyName: "max_target_o_low_priority",
-		propertyValueReader: func(properties *HiddenAPIFlagFileProperties) []string {
-			return properties.Hidden_api.Max_target_o_low_priority
-		},
-		commandMutator: func(command *android.RuleBuilderCommand, path android.Path) {
-			command.FlagWithInput("--max-target-o ", path).Flag("--ignore-conflicts ").FlagWithArg("--tag ", "lo-prio")
-		},
-	},
+	hiddenAPIFlagFileCategoryMaxTargetOLowPriority,
 	// See HiddenAPIFlagFileProperties.Blocked
-	{
-		PropertyName: "blocked",
-		propertyValueReader: func(properties *HiddenAPIFlagFileProperties) []string {
-			return properties.Hidden_api.Blocked
-		},
-		commandMutator: func(command *android.RuleBuilderCommand, path android.Path) {
-			command.FlagWithInput("--blocked ", path)
-		},
-	},
+	hiddenAPIFlagFileCategoryBlocked,
 	// See HiddenAPIFlagFileProperties.Unsupported_packages
-	{
-		PropertyName: "unsupported_packages",
-		propertyValueReader: func(properties *HiddenAPIFlagFileProperties) []string {
-			return properties.Hidden_api.Unsupported_packages
-		},
-		commandMutator: func(command *android.RuleBuilderCommand, path android.Path) {
-			command.FlagWithInput("--unsupported ", path).Flag("--packages ")
-		},
-	},
+	hiddenAPIFlagFileCategoryUnsupportedPackages,
 }
 
 // FlagFilesByCategory maps a hiddenAPIFlagFileCategory to the paths to the files in that category.
-type FlagFilesByCategory map[*hiddenAPIFlagFileCategory]android.Paths
+type FlagFilesByCategory map[hiddenAPIFlagFileCategory]android.Paths
 
 // append the supplied flags files to the corresponding category in this map.
 func (s FlagFilesByCategory) append(other FlagFilesByCategory) {
@@ -1014,7 +1010,7 @@
 	// If available then pass the automatically generated file containing dex signatures of removed
 	// API members to the rule so they can be marked as removed.
 	if generatedRemovedDexSignatures.Valid() {
-		hiddenAPIRemovedFlagFileCategory.commandMutator(command, generatedRemovedDexSignatures.Path())
+		hiddenAPIFlagFileCategoryRemoved.commandMutator(command, generatedRemovedDexSignatures.Path())
 	}
 
 	commitChangeForRestat(rule, tempPath, outputPath)
diff --git a/java/java.go b/java/java.go
index d5d309f..30a3763 100644
--- a/java/java.go
+++ b/java/java.go
@@ -248,6 +248,8 @@
 	// against this module.  If empty, ImplementationJars should be used instead.
 	HeaderJars android.Paths
 
+	RepackagedHeaderJars android.Paths
+
 	// set of header jars for all transitive libs deps
 	TransitiveLibsHeaderJars *android.DepSet[android.Path]
 
@@ -653,7 +655,7 @@
 	return j.properties.Permitted_packages
 }
 
-func shouldUncompressDex(ctx android.ModuleContext, dexpreopter *dexpreopter) bool {
+func shouldUncompressDex(ctx android.ModuleContext, libName string, dexpreopter *dexpreopter) bool {
 	// Store uncompressed (and aligned) any dex files from jars in APEXes.
 	if apexInfo, _ := android.ModuleProvider(ctx, android.ApexInfoProvider); !apexInfo.IsForPlatform() {
 		return true
@@ -665,7 +667,7 @@
 	}
 
 	// Store uncompressed dex files that are preopted on /system.
-	if !dexpreopter.dexpreoptDisabled(ctx) && (ctx.Host() || !dexpreopter.odexOnSystemOther(ctx, dexpreopter.installPath)) {
+	if !dexpreopter.dexpreoptDisabled(ctx, libName) && (ctx.Host() || !dexpreopter.odexOnSystemOther(ctx, libName, dexpreopter.installPath)) {
 		return true
 	}
 	if ctx.Config().UncompressPrivAppDex() &&
@@ -680,7 +682,7 @@
 func setUncompressDex(ctx android.ModuleContext, dexpreopter *dexpreopter, dexer *dexer) {
 	if dexer.dexProperties.Uncompress_dex == nil {
 		// If the value was not force-set by the user, use reasonable default based on the module.
-		dexer.dexProperties.Uncompress_dex = proptools.BoolPtr(shouldUncompressDex(ctx, dexpreopter))
+		dexer.dexProperties.Uncompress_dex = proptools.BoolPtr(shouldUncompressDex(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), dexpreopter))
 	}
 }
 
@@ -712,7 +714,7 @@
 	j.checkHeadersOnly(ctx)
 	if ctx.Device() {
 		j.dexpreopter.installPath = j.dexpreopter.getInstallPath(
-			ctx, android.PathForModuleInstall(ctx, "framework", j.Stem()+".jar"))
+			ctx, j.Name(), android.PathForModuleInstall(ctx, "framework", j.Stem()+".jar"))
 		j.dexpreopter.isSDKLibrary = j.deviceProperties.IsSDKLibrary
 		setUncompressDex(ctx, &j.dexpreopter, &j.dexer)
 		j.dexpreopter.uncompressedDex = *j.dexProperties.Uncompress_dex
@@ -1837,6 +1839,7 @@
 func (al *ApiLibrary) DepsMutator(ctx android.BottomUpMutatorContext) {
 	apiContributions := al.properties.Api_contributions
 	addValidations := !ctx.Config().IsEnvTrue("DISABLE_STUB_VALIDATION") &&
+		!ctx.Config().IsEnvTrue("WITHOUT_CHECK_API") &&
 		proptools.BoolDefault(al.properties.Enable_validation, true)
 	for _, apiContributionName := range apiContributions {
 		ctx.AddDependency(ctx.Module(), javaApiContributionTag, apiContributionName)
@@ -2089,6 +2092,11 @@
 		// that depend on this module, as well as to aidl for this module.
 		Export_include_dirs []string
 	}
+
+	// Name of the source soong module that gets shadowed by this prebuilt
+	// If unspecified, follows the naming convention that the source module of
+	// the prebuilt is Name() without "prebuilt_" prefix
+	Source_module_name *string
 }
 
 type Import struct {
@@ -2162,12 +2170,16 @@
 	return j.properties.Jars
 }
 
+func (j *Import) BaseModuleName() string {
+	return proptools.StringDefault(j.properties.Source_module_name, j.ModuleBase.Name())
+}
+
 func (j *Import) Name() string {
 	return j.prebuilt.Name(j.ModuleBase.Name())
 }
 
 func (j *Import) Stem() string {
-	return proptools.StringDefault(j.properties.Stem, j.ModuleBase.Name())
+	return proptools.StringDefault(j.properties.Stem, j.BaseModuleName())
 }
 
 func (a *Import) JacocoReportClassesFile() android.Path {
@@ -2274,7 +2286,7 @@
 				installPath := android.PathForModuleInPartitionInstall(ctx, "apex", ai.ApexVariationName, ApexRootRelativePathToJavaLib(j.BaseModuleName()))
 				j.dexJarInstallFile = installPath
 
-				j.dexpreopter.installPath = j.dexpreopter.getInstallPath(ctx, installPath)
+				j.dexpreopter.installPath = j.dexpreopter.getInstallPath(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), installPath)
 				setUncompressDex(ctx, &j.dexpreopter, &j.dexer)
 				j.dexpreopter.uncompressedDex = *j.dexProperties.Uncompress_dex
 
@@ -2282,8 +2294,6 @@
 					j.dexpreopter.inputProfilePathOnHost = profilePath
 				}
 
-				j.dexpreopt(ctx, dexOutputPath)
-
 				// Initialize the hiddenapi structure.
 				j.initHiddenAPI(ctx, dexJarFile, outputFile, j.dexProperties.Uncompress_dex)
 			} else {
@@ -2304,7 +2314,7 @@
 			// Dex compilation
 
 			j.dexpreopter.installPath = j.dexpreopter.getInstallPath(
-				ctx, android.PathForModuleInstall(ctx, "framework", jarName))
+				ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), android.PathForModuleInstall(ctx, "framework", jarName))
 			setUncompressDex(ctx, &j.dexpreopter, &j.dexer)
 			j.dexpreopter.uncompressedDex = *j.dexProperties.Uncompress_dex
 
@@ -2455,6 +2465,10 @@
 	return requiredFilesFromPrebuiltApexForImport(name, &j.dexpreopter)
 }
 
+func (j *Import) UseProfileGuidedDexpreopt() bool {
+	return proptools.Bool(j.importDexpreoptProperties.Dex_preopt.Profile_guided)
+}
+
 // Add compile time check for interface implementation
 var _ android.IDEInfo = (*Import)(nil)
 var _ android.IDECustomizedModuleName = (*Import)(nil)
@@ -2592,8 +2606,8 @@
 	}
 
 	j.dexpreopter.installPath = j.dexpreopter.getInstallPath(
-		ctx, android.PathForModuleInstall(ctx, "framework", j.Stem()+".jar"))
-	j.dexpreopter.uncompressedDex = shouldUncompressDex(ctx, &j.dexpreopter)
+		ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), android.PathForModuleInstall(ctx, "framework", j.Stem()+".jar"))
+	j.dexpreopter.uncompressedDex = shouldUncompressDex(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), &j.dexpreopter)
 
 	inputJar := ctx.ExpandSource(j.properties.Jars[0], "jars")
 	dexOutputFile := android.PathForModuleOut(ctx, ctx.ModuleName()+".jar")
@@ -2632,7 +2646,7 @@
 
 	j.dexJarFile = makeDexJarPathFromPath(dexOutputFile)
 
-	j.dexpreopt(ctx, dexOutputFile)
+	j.dexpreopt(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), dexOutputFile)
 
 	if apexInfo.IsForPlatform() {
 		ctx.InstallFile(android.PathForModuleInstall(ctx, "framework"),
diff --git a/java/java_test.go b/java/java_test.go
index 0891ab6..42301d8 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -24,6 +24,7 @@
 	"strings"
 	"testing"
 
+	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/aconfig"
@@ -2521,3 +2522,105 @@
 			apiScopePublic.stubsLibraryModuleName("foo"), "android_common",
 			apiScopePublic.apiLibraryModuleName("foo")))
 }
+
+func TestMultiplePrebuilts(t *testing.T) {
+	bp := `
+		// an rdep
+		java_library {
+			name: "foo",
+			libs: ["bar"],
+		}
+
+		// multiple variations of dep
+		// source
+		java_library {
+			name: "bar",
+			srcs: ["bar.java"],
+		}
+		// prebuilt "v1"
+		java_import {
+			name: "bar",
+			jars: ["bar.jar"],
+		}
+		// prebuilt "v2"
+		java_import {
+			name: "bar.v2",
+			source_module_name: "bar",
+			jars: ["bar.v1.jar"],
+		}
+
+		// selectors
+		apex_contributions {
+			name: "myapex_contributions",
+			contents: ["%v"],
+		}
+	`
+	hasDep := func(ctx *android.TestResult, m android.Module, wantDep android.Module) bool {
+		t.Helper()
+		var found bool
+		ctx.VisitDirectDeps(m, func(dep blueprint.Module) {
+			if dep == wantDep {
+				found = true
+			}
+		})
+		return found
+	}
+
+	hasFileWithStem := func(m android.TestingModule, stem string) bool {
+		t.Helper()
+		for _, o := range m.AllOutputs() {
+			_, file := filepath.Split(o)
+			if file == stem+".jar" {
+				return true
+			}
+		}
+		return false
+	}
+
+	testCases := []struct {
+		desc                   string
+		selectedDependencyName string
+		expectedDependencyName string
+	}{
+		{
+			desc:                   "Source library is selected using apex_contributions",
+			selectedDependencyName: "bar",
+			expectedDependencyName: "bar",
+		},
+		{
+			desc:                   "Prebuilt library v1 is selected using apex_contributions",
+			selectedDependencyName: "prebuilt_bar",
+			expectedDependencyName: "prebuilt_bar",
+		},
+		{
+			desc:                   "Prebuilt library v2 is selected using apex_contributions",
+			selectedDependencyName: "prebuilt_bar.v2",
+			expectedDependencyName: "prebuilt_bar.v2",
+		},
+	}
+
+	for _, tc := range testCases {
+		ctx := android.GroupFixturePreparers(
+			prepareForJavaTest,
+			android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+				variables.BuildFlags = map[string]string{
+					"RELEASE_APEX_CONTRIBUTIONS_ADSERVICES": "myapex_contributions",
+				}
+			}),
+		).RunTestWithBp(t, fmt.Sprintf(bp, tc.selectedDependencyName))
+
+		// check that rdep gets the correct variation of dep
+		foo := ctx.ModuleForTests("foo", "android_common")
+		expectedDependency := ctx.ModuleForTests(tc.expectedDependencyName, "android_common")
+		android.AssertBoolEquals(t, fmt.Sprintf("expected dependency from %s to %s\n", foo.Module().Name(), tc.expectedDependencyName), true, hasDep(ctx, foo.Module(), expectedDependency.Module()))
+
+		// check that output file of dep is always bar.jar
+		// The filename should be agnostic to source/prebuilt/prebuilt_version
+		android.AssertBoolEquals(t, fmt.Sprintf("could not find bar.jar in outputs of %s. All Outputs %v\n", tc.expectedDependencyName, expectedDependency.AllOutputs()), true, hasFileWithStem(expectedDependency, "bar"))
+
+		// check LOCAL_MODULE of the selected module name
+		// the prebuilt should have the same LOCAL_MODULE when exported to make
+		entries := android.AndroidMkEntriesForTest(t, ctx.TestContext, expectedDependency.Module())[0]
+		android.AssertStringEquals(t, "unexpected LOCAL_MODULE", "bar", entries.EntryMap["LOCAL_MODULE"][0])
+	}
+}
diff --git a/java/lint.go b/java/lint.go
index c3d723b..31e7f35 100644
--- a/java/lint.go
+++ b/java/lint.go
@@ -370,6 +370,12 @@
 		return
 	}
 
+	for _, flag := range l.properties.Lint.Flags {
+		if strings.Contains(flag, "--disable") || strings.Contains(flag, "--enable") || strings.Contains(flag, "--check") {
+			ctx.PropertyErrorf("lint.flags", "Don't use --disable, --enable, or --check in the flags field, instead use the dedicated disabled_checks, warning_checks, error_checks, or fatal_checks fields")
+		}
+	}
+
 	if l.minSdkVersion.CompareTo(l.compileSdkVersion) == -1 {
 		l.extraMainlineLintErrors = append(l.extraMainlineLintErrors, updatabilityChecks...)
 		// Skip lint warning checks for NewApi warnings for libcore where they come from source
diff --git a/java/lint_test.go b/java/lint_test.go
index b7e6aad..751b139 100644
--- a/java/lint_test.go
+++ b/java/lint_test.go
@@ -260,3 +260,22 @@
 		}
 	}
 }
+
+func TestCantControlCheckSeverityWithFlags(t *testing.T) {
+	bp := `
+		java_library {
+			name: "foo",
+			srcs: [
+				"a.java",
+			],
+			min_sdk_version: "29",
+			sdk_version: "current",
+			lint: {
+				flags: ["--disabled", "NewApi"],
+			},
+		}
+	`
+	PrepareForTestWithJavaDefaultModules.
+		ExtendWithErrorHandler(android.FixtureExpectsOneErrorPattern("Don't use --disable, --enable, or --check in the flags field, instead use the dedicated disabled_checks, warning_checks, error_checks, or fatal_checks fields")).
+		RunTestWithBp(t, bp)
+}
diff --git a/java/sdk_library.go b/java/sdk_library.go
index 7373124..49e6727 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -15,6 +15,7 @@
 package java
 
 import (
+	"errors"
 	"fmt"
 	"path"
 	"path/filepath"
@@ -104,9 +105,8 @@
 	// The name of the property in the java_sdk_library_import
 	propertyName string
 
-	// The tag to use to depend on the stubs library module if the parent module
-	// does not differentiate everything and exportable stubs (e.g. sdk_library_import).
-	stubsTag scopeDependencyTag
+	// The tag to use to depend on the prebuilt stubs library module
+	prebuiltStubsTag scopeDependencyTag
 
 	// The tag to use to depend on the everything stubs library module.
 	everythingStubsTag scopeDependencyTag
@@ -174,7 +174,7 @@
 	allScopeNames = append(allScopeNames, name)
 	scope.propertyName = strings.ReplaceAll(name, "-", "_")
 	scope.fieldName = proptools.FieldNameForProperty(scope.propertyName)
-	scope.stubsTag = scopeDependencyTag{
+	scope.prebuiltStubsTag = scopeDependencyTag{
 		name:             name + "-stubs",
 		apiScope:         scope,
 		depInfoExtractor: (*scopePaths).extractStubsLibraryInfoFromDependency,
@@ -753,75 +753,78 @@
 	}
 }
 
-func (paths *scopePaths) treatDepAsApiStubsProvider(dep android.Module, action func(provider ApiStubsProvider)) error {
+func (paths *scopePaths) treatDepAsApiStubsProvider(dep android.Module, action func(provider ApiStubsProvider) error) error {
 	if apiStubsProvider, ok := dep.(ApiStubsProvider); ok {
-		action(apiStubsProvider)
-		return nil
-	} else {
-		return fmt.Errorf("expected module that implements ApiStubsProvider, e.g. droidstubs")
-	}
-}
-
-func (paths *scopePaths) treatDepAsExportableApiStubsProvider(dep android.Module, action func(provider ExportableApiStubsProvider)) error {
-	if exportableApiStubsProvider, ok := dep.(ExportableApiStubsProvider); ok {
-		action(exportableApiStubsProvider)
+		err := action(apiStubsProvider)
+		if err != nil {
+			return err
+		}
 		return nil
 	} else {
 		return fmt.Errorf("expected module that implements ExportableApiStubsSrcProvider, e.g. droidstubs")
 	}
 }
 
-func (paths *scopePaths) treatDepAsApiStubsSrcProvider(dep android.Module, action func(provider ApiStubsSrcProvider)) error {
+func (paths *scopePaths) treatDepAsApiStubsSrcProvider(dep android.Module, action func(provider ApiStubsSrcProvider) error) error {
 	if apiStubsProvider, ok := dep.(ApiStubsSrcProvider); ok {
-		action(apiStubsProvider)
+		err := action(apiStubsProvider)
+		if err != nil {
+			return err
+		}
 		return nil
 	} else {
 		return fmt.Errorf("expected module that implements ApiStubsSrcProvider, e.g. droidstubs")
 	}
 }
 
-func (paths *scopePaths) extractApiInfoFromApiStubsProvider(provider ApiStubsProvider) {
-	paths.annotationsZip = android.OptionalPathForPath(provider.AnnotationsZip())
-	paths.currentApiFilePath = android.OptionalPathForPath(provider.ApiFilePath())
-	paths.removedApiFilePath = android.OptionalPathForPath(provider.RemovedApiFilePath())
-}
+func (paths *scopePaths) extractApiInfoFromApiStubsProvider(provider ApiStubsProvider, stubsType StubsType) error {
+	var annotationsZip, currentApiFilePath, removedApiFilePath android.Path
+	annotationsZip, annotationsZipErr := provider.AnnotationsZip(stubsType)
+	currentApiFilePath, currentApiFilePathErr := provider.ApiFilePath(stubsType)
+	removedApiFilePath, removedApiFilePathErr := provider.RemovedApiFilePath(stubsType)
 
-func (paths *scopePaths) extractApiInfoFromExportableApiStubsProvider(provider ExportableApiStubsProvider) {
-	paths.annotationsZip = android.OptionalPathForPath(provider.ExportableAnnotationsZip())
-	paths.currentApiFilePath = android.OptionalPathForPath(provider.ExportableApiFilePath())
-	paths.removedApiFilePath = android.OptionalPathForPath(provider.ExportableRemovedApiFilePath())
+	combinedError := errors.Join(annotationsZipErr, currentApiFilePathErr, removedApiFilePathErr)
+
+	if combinedError == nil {
+		paths.annotationsZip = android.OptionalPathForPath(annotationsZip)
+		paths.currentApiFilePath = android.OptionalPathForPath(currentApiFilePath)
+		paths.removedApiFilePath = android.OptionalPathForPath(removedApiFilePath)
+	}
+	return combinedError
 }
 
 func (paths *scopePaths) extractApiInfoFromDep(ctx android.ModuleContext, dep android.Module) error {
-	return paths.treatDepAsApiStubsProvider(dep, func(provider ApiStubsProvider) {
-		paths.extractApiInfoFromApiStubsProvider(provider)
+	return paths.treatDepAsApiStubsProvider(dep, func(provider ApiStubsProvider) error {
+		return paths.extractApiInfoFromApiStubsProvider(provider, Everything)
 	})
 }
 
-func (paths *scopePaths) extractStubsSourceInfoFromApiStubsProviders(provider ApiStubsSrcProvider) {
-	paths.stubsSrcJar = android.OptionalPathForPath(provider.StubsSrcJar())
-}
-
-func (paths *scopePaths) extractStubsSourceInfoFromExportableApiStubsProviders(provider ExportableApiStubsSrcProvider) {
-	paths.stubsSrcJar = android.OptionalPathForPath(provider.ExportableStubsSrcJar())
+func (paths *scopePaths) extractStubsSourceInfoFromApiStubsProviders(provider ApiStubsSrcProvider, stubsType StubsType) error {
+	stubsSrcJar, err := provider.StubsSrcJar(stubsType)
+	if err == nil {
+		paths.stubsSrcJar = android.OptionalPathForPath(stubsSrcJar)
+	}
+	return err
 }
 
 func (paths *scopePaths) extractStubsSourceInfoFromDep(ctx android.ModuleContext, dep android.Module) error {
-	return paths.treatDepAsApiStubsSrcProvider(dep, func(provider ApiStubsSrcProvider) {
-		paths.extractStubsSourceInfoFromApiStubsProviders(provider)
+	return paths.treatDepAsApiStubsSrcProvider(dep, func(provider ApiStubsSrcProvider) error {
+		return paths.extractStubsSourceInfoFromApiStubsProviders(provider, Everything)
 	})
 }
 
 func (paths *scopePaths) extractStubsSourceAndApiInfoFromApiStubsProvider(ctx android.ModuleContext, dep android.Module) error {
 	if ctx.Config().ReleaseHiddenApiExportableStubs() {
-		return paths.treatDepAsExportableApiStubsProvider(dep, func(provider ExportableApiStubsProvider) {
-			paths.extractApiInfoFromExportableApiStubsProvider(provider)
-			paths.extractStubsSourceInfoFromExportableApiStubsProviders(provider)
+		return paths.treatDepAsApiStubsProvider(dep, func(provider ApiStubsProvider) error {
+			extractApiInfoErr := paths.extractApiInfoFromApiStubsProvider(provider, Exportable)
+			extractStubsSourceInfoErr := paths.extractStubsSourceInfoFromApiStubsProviders(provider, Exportable)
+			return errors.Join(extractApiInfoErr, extractStubsSourceInfoErr)
 		})
 	}
-	return paths.treatDepAsApiStubsProvider(dep, func(provider ApiStubsProvider) {
-		paths.extractApiInfoFromApiStubsProvider(provider)
-		paths.extractStubsSourceInfoFromApiStubsProviders(provider)
+	return paths.treatDepAsApiStubsProvider(dep, func(provider ApiStubsProvider) error {
+		extractApiInfoErr := paths.extractApiInfoFromApiStubsProvider(provider, Everything)
+		extractStubsSourceInfoErr := paths.extractStubsSourceInfoFromApiStubsProviders(provider, Everything)
+		return errors.Join(extractApiInfoErr, extractStubsSourceInfoErr)
 	})
 }
 
@@ -2739,7 +2742,7 @@
 		}
 
 		// Add dependencies to the prebuilt stubs library
-		ctx.AddVariationDependencies(nil, apiScope.stubsTag, android.PrebuiltNameFromSource(module.stubsLibraryModuleName(apiScope)))
+		ctx.AddVariationDependencies(nil, apiScope.prebuiltStubsTag, android.PrebuiltNameFromSource(module.stubsLibraryModuleName(apiScope)))
 
 		if len(scopeProperties.Stub_srcs) > 0 {
 			// Add dependencies to the prebuilt stubs source library
@@ -2876,16 +2879,13 @@
 				module.installFile = installPath
 				module.initHiddenAPI(ctx, dexJarFile, module.findScopePaths(apiScopePublic).stubsImplPath[0], nil)
 
-				module.dexpreopter.installPath = module.dexpreopter.getInstallPath(ctx, installPath)
+				module.dexpreopter.installPath = module.dexpreopter.getInstallPath(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), installPath)
 				module.dexpreopter.isSDKLibrary = true
-				module.dexpreopter.uncompressedDex = shouldUncompressDex(ctx, &module.dexpreopter)
+				module.dexpreopter.uncompressedDex = shouldUncompressDex(ctx, android.RemoveOptionalPrebuiltPrefix(ctx.ModuleName()), &module.dexpreopter)
 
 				if profilePath := di.PrebuiltExportPath(dexJarFileApexRootRelative + ".prof"); profilePath != nil {
 					module.dexpreopter.inputProfilePathOnHost = profilePath
 				}
-
-				// Dexpreopting.
-				module.dexpreopt(ctx, dexOutputPath)
 			} else {
 				// This should never happen as a variant for a prebuilt_apex is only created if the
 				// prebuilt_apex has been configured to export the java library dex file.
@@ -3019,6 +3019,10 @@
 	return requiredFilesFromPrebuiltApexForImport(name, &module.dexpreopter)
 }
 
+func (j *SdkLibraryImport) UseProfileGuidedDexpreopt() bool {
+	return proptools.Bool(j.importDexpreoptProperties.Dex_preopt.Profile_guided)
+}
+
 // java_sdk_library_xml
 type sdkLibraryXml struct {
 	android.ModuleBase
diff --git a/java/sdk_library_test.go b/java/sdk_library_test.go
index 3326ec5..0a113b6 100644
--- a/java/sdk_library_test.go
+++ b/java/sdk_library_test.go
@@ -1772,3 +1772,61 @@
 		"top level exportable stubs library", []string{exportableSourceStubsLibraryModuleName},
 		topLevelModule.Module().(*Library).properties.Static_libs)
 }
+
+// For java libraries depending on java_sdk_library(_import) via libs, assert that
+// rdep gets stubs of source if source is listed in apex_contributions and prebuilt has prefer (legacy mechanism)
+func TestStubResolutionOfJavaSdkLibraryInLibs(t *testing.T) {
+	bp := `
+		apex_contributions {
+			name: "my_mainline_module_contributions",
+			api_domain: "my_mainline_module",
+			contents: ["sdklib"], // source is selected using apex_contributions, but prebuilt is selected using prefer
+		}
+		java_sdk_library {
+			name: "sdklib",
+			srcs: ["a.java"],
+			sdk_version: "none",
+			system_modules: "none",
+			public: {
+				enabled: true,
+			},
+		}
+		java_sdk_library_import {
+			name: "sdklib",
+			public: {
+				jars: ["a.jar"],
+				stub_srcs: ["a.java"],
+				current_api: "current.txt",
+				removed_api: "removed.txt",
+				annotations: "annotations.zip",
+			},
+			prefer: true, // Set prefer explicitly on the prebuilt. We will assert that rdep gets source in a test case.
+		}
+		// rdeps
+		java_library {
+			name: "mymodule",
+			srcs: ["a.java"],
+			sdk_version: "current",
+			libs: ["sdklib",], // this should be dynamically resolved to sdklib.stubs (source) or prebuilt_sdklib.stubs (prebuilt)
+		}
+	`
+
+	fixture := android.GroupFixturePreparers(
+		prepareForJavaTest,
+		PrepareForTestWithJavaSdkLibraryFiles,
+		FixtureWithLastReleaseApis("sdklib"),
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				// We can use any of the apex contribution build flags from build/soong/android/config.go#mainlineApexContributionBuildFlags here
+				"RELEASE_APEX_CONTRIBUTIONS_ADSERVICES": "my_mainline_module_contributions",
+			}
+		}),
+	)
+
+	result := fixture.RunTestWithBp(t, bp)
+	// Make sure that rdeps get the correct source vs prebuilt based on mainline_module_contributions
+	public := result.ModuleForTests("mymodule", "android_common")
+	rule := public.Output("javac/mymodule.jar")
+	inputs := rule.Implicits.Strings()
+	android.AssertStringListContains(t, "Could not find the expected stub on classpath", inputs, "out/soong/.intermediates/sdklib.stubs/android_common/turbine-combined/sdklib.stubs.jar")
+}
diff --git a/java/systemserver_classpath_fragment.go b/java/systemserver_classpath_fragment.go
index 30dd55f..59c5466 100644
--- a/java/systemserver_classpath_fragment.go
+++ b/java/systemserver_classpath_fragment.go
@@ -313,6 +313,10 @@
 	return nil
 }
 
+func (module *prebuiltSystemServerClasspathModule) UseProfileGuidedDexpreopt() bool {
+	return false
+}
+
 var _ android.RequiredFilesFromPrebuiltApex = (*prebuiltSystemServerClasspathModule)(nil)
 
 func prebuiltSystemServerClasspathModuleFactory() android.Module {
diff --git a/phony/phony.go b/phony/phony.go
index bb48788..b8dbd00 100644
--- a/phony/phony.go
+++ b/phony/phony.go
@@ -68,6 +68,10 @@
 				fmt.Fprintln(w, "LOCAL_TARGET_REQUIRED_MODULES :=",
 					strings.Join(p.targetRequiredModuleNames, " "))
 			}
+			// AconfigUpdateAndroidMkData may have added elements to Extra.  Process them here.
+			for _, extra := range data.Extra {
+				extra(w, nil)
+			}
 			fmt.Fprintln(w, "include $(BUILD_PHONY_PACKAGE)")
 		},
 	}
diff --git a/python/scripts/precompile_python.py b/python/scripts/precompile_python.py
index e12e7d2..80e7c76 100644
--- a/python/scripts/precompile_python.py
+++ b/python/scripts/precompile_python.py
@@ -16,6 +16,7 @@
 import argparse
 import py_compile
 import os
+import sys
 import shutil
 import tempfile
 import zipfile
@@ -23,22 +24,31 @@
 # This file needs to support both python 2 and 3.
 
 
-def process_one_file(name, inf, outzip):
-    if not name.endswith('.py'):
-        outzip.writestr(name, inf.read())
+def process_one_file(info, infile, outzip):
+    if not info.filename.endswith('.py'):
+        outzip.writestr(info, infile.read())
         return
 
     # Unfortunately py_compile requires the input/output files to be written
     # out to disk.
     with tempfile.NamedTemporaryFile(prefix="Soong_precompile_", delete=False) as tmp:
-        shutil.copyfileobj(inf, tmp)
+        shutil.copyfileobj(infile, tmp)
         in_name = tmp.name
     with tempfile.NamedTemporaryFile(prefix="Soong_precompile_", delete=False) as tmp:
         out_name = tmp.name
     try:
-        py_compile.compile(in_name, out_name, name, doraise=True)
+        # Ensure deterministic pyc by using the hash rather than timestamp.
+        # This is required to improve caching in accelerated builds.
+        # Only works on Python 3.7+ (see https://docs.python.org/3/library/py_compile.html#py_compile.PycInvalidationMode)
+        # which should cover most updated branches and developer machines.
+        if sys.version_info >= (3, 7):
+            py_compile.compile(in_name, out_name, info.filename, doraise=True, invalidation_mode=py_compile.PycInvalidationMode.CHECKED_HASH)
+        else:
+            py_compile.compile(in_name, out_name, info.filename, doraise=True)
         with open(out_name, 'rb') as f:
-            outzip.writestr(name + 'c', f.read())
+            info.filename = info.filename + 'c'
+            # Use ZipInfo rather than str to reuse timestamps for deterministic zip files.
+            outzip.writestr(info, f.read())
     finally:
         os.remove(in_name)
         os.remove(out_name)
@@ -52,9 +62,9 @@
 
     with open(args.dst_zip, 'wb') as outf, open(args.src_zip, 'rb') as inf:
         with zipfile.ZipFile(outf, mode='w') as outzip, zipfile.ZipFile(inf, mode='r') as inzip:
-            for name in inzip.namelist():
-                with inzip.open(name, mode='r') as inzipf:
-                    process_one_file(name, inzipf, outzip)
+            for info in inzip.infolist():
+                with inzip.open(info.filename, mode='r') as inzipf:
+                    process_one_file(info, inzipf, outzip)
 
 
 if __name__ == "__main__":
diff --git a/rust/androidmk.go b/rust/androidmk.go
index 17fd2d8..e0cb3ce 100644
--- a/rust/androidmk.go
+++ b/rust/androidmk.go
@@ -63,8 +63,10 @@
 				entries.AddStrings("LOCAL_SHARED_LIBRARIES", mod.transitiveAndroidMkSharedLibs.ToList()...)
 				entries.AddStrings("LOCAL_STATIC_LIBRARIES", mod.Properties.AndroidMkStaticLibs...)
 				entries.AddStrings("LOCAL_SOONG_LINK_TYPE", mod.makeLinkType)
-				if mod.UseVndk() {
-					entries.SetBool("LOCAL_USE_VNDK", true)
+				if mod.InVendor() {
+					entries.SetBool("LOCAL_IN_VENDOR", true)
+				} else if mod.InProduct() {
+					entries.SetBool("LOCAL_IN_PRODUCT", true)
 				}
 				android.SetAconfigFileMkEntries(mod.AndroidModuleBase(), entries, mod.mergedAconfigFiles)
 			},
diff --git a/rust/bindgen.go b/rust/bindgen.go
index 77ba277..85cc220 100644
--- a/rust/bindgen.go
+++ b/rust/bindgen.go
@@ -29,7 +29,7 @@
 	defaultBindgenFlags = []string{""}
 
 	// bindgen should specify its own Clang revision so updating Clang isn't potentially blocked on bindgen failures.
-	bindgenClangVersion = "clang-r498229b"
+	bindgenClangVersion = "clang-r510928"
 
 	_ = pctx.VariableFunc("bindgenClangVersion", func(ctx android.PackageVarContext) string {
 		if override := ctx.Config().Getenv("LLVM_BINDGEN_PREBUILTS_VERSION"); override != "" {
diff --git a/rust/config/global.go b/rust/config/global.go
index 377ae58..aebbb1b 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 = "1.73.0"
+	RustDefaultVersion = "1.74.1"
 	RustDefaultBase    = "prebuilts/rust/"
 	DefaultEdition     = "2021"
 	Stdlibs            = []string{
diff --git a/rust/config/x86_64_device.go b/rust/config/x86_64_device.go
index cc16704..49f7c77 100644
--- a/rust/config/x86_64_device.go
+++ b/rust/config/x86_64_device.go
@@ -28,16 +28,16 @@
 	x86_64LinkFlags            = []string{}
 
 	x86_64ArchVariantRustFlags = map[string][]string{
-		"":                        []string{},
-		"broadwell":               []string{"-C target-cpu=broadwell"},
-		"goldmont":                []string{"-C target-cpu=goldmont"},
-		"goldmont-plus":           []string{"-C target-cpu=goldmont-plus"},
-		"goldmont-without-xsaves": []string{"-C target-cpu=goldmont", "-C target-feature=-xsaves"},
-		"haswell":                 []string{"-C target-cpu=haswell"},
-		"ivybridge":               []string{"-C target-cpu=ivybridge"},
-		"sandybridge":             []string{"-C target-cpu=sandybridge"},
-		"silvermont":              []string{"-C target-cpu=silvermont"},
-		"skylake":                 []string{"-C target-cpu=skylake"},
+		"":                            []string{},
+		"broadwell":                   []string{"-C target-cpu=broadwell"},
+		"goldmont":                    []string{"-C target-cpu=goldmont"},
+		"goldmont-plus":               []string{"-C target-cpu=goldmont-plus"},
+		"goldmont-without-sha-xsaves": []string{"-C target-cpu=goldmont", "-C target-feature=-sha,-xsaves"},
+		"haswell":                     []string{"-C target-cpu=haswell"},
+		"ivybridge":                   []string{"-C target-cpu=ivybridge"},
+		"sandybridge":                 []string{"-C target-cpu=sandybridge"},
+		"silvermont":                  []string{"-C target-cpu=silvermont"},
+		"skylake":                     []string{"-C target-cpu=skylake"},
 		//TODO: Add target-cpu=stoneyridge when rustc supports it.
 		"stoneyridge": []string{""},
 		"tremont":     []string{"-C target-cpu=tremont"},
diff --git a/rust/config/x86_device.go b/rust/config/x86_device.go
index e7b575c..2a57e73 100644
--- a/rust/config/x86_device.go
+++ b/rust/config/x86_device.go
@@ -26,17 +26,17 @@
 	x86LinkFlags            = []string{}
 
 	x86ArchVariantRustFlags = map[string][]string{
-		"":                        []string{},
-		"atom":                    []string{"-C target-cpu=atom"},
-		"broadwell":               []string{"-C target-cpu=broadwell"},
-		"goldmont":                []string{"-C target-cpu=goldmont"},
-		"goldmont-plus":           []string{"-C target-cpu=goldmont-plus"},
-		"goldmont-without-xsaves": []string{"-C target-cpu=goldmont", "-C target-feature=-xsaves"},
-		"haswell":                 []string{"-C target-cpu=haswell"},
-		"ivybridge":               []string{"-C target-cpu=ivybridge"},
-		"sandybridge":             []string{"-C target-cpu=sandybridge"},
-		"silvermont":              []string{"-C target-cpu=silvermont"},
-		"skylake":                 []string{"-C target-cpu=skylake"},
+		"":                            []string{},
+		"atom":                        []string{"-C target-cpu=atom"},
+		"broadwell":                   []string{"-C target-cpu=broadwell"},
+		"goldmont":                    []string{"-C target-cpu=goldmont"},
+		"goldmont-plus":               []string{"-C target-cpu=goldmont-plus"},
+		"goldmont-without-sha-xsaves": []string{"-C target-cpu=goldmont", "-C target-feature=-sha,-xsaves"},
+		"haswell":                     []string{"-C target-cpu=haswell"},
+		"ivybridge":                   []string{"-C target-cpu=ivybridge"},
+		"sandybridge":                 []string{"-C target-cpu=sandybridge"},
+		"silvermont":                  []string{"-C target-cpu=silvermont"},
+		"skylake":                     []string{"-C target-cpu=skylake"},
 		//TODO: Add target-cpu=stoneyridge when rustc supports it.
 		"stoneyridge": []string{""},
 		"tremont":     []string{"-C target-cpu=tremont"},
diff --git a/rust/vendor_snapshot_test.go b/rust/vendor_snapshot_test.go
index 4f45799..7ebe66b 100644
--- a/rust/vendor_snapshot_test.go
+++ b/rust/vendor_snapshot_test.go
@@ -553,6 +553,7 @@
 		vendor: true,
 		nocrt: true,
 		no_libcrt: true,
+		no_crt_pad_segment: true,
 		stl: "none",
 		system_shared_libs: [],
 	}
@@ -857,6 +858,7 @@
 		target_arch: "arm64",
 		compile_multilib: "32",
 		vendor: true,
+		no_crt_pad_segment: true,
 		arch: {
 			arm: {
 				src: "lib32.so",
@@ -870,6 +872,7 @@
 		target_arch: "arm64",
 		compile_multilib: "64",
 		vendor: true,
+		no_crt_pad_segment: true,
 		arch: {
 			arm64: {
 				src: "lib64.so",
@@ -882,6 +885,7 @@
 		target_arch: "arm64",
 		compile_multilib: "64",
 		vendor: true,
+		no_crt_pad_segment: true,
 		arch: {
 			arm64: {
 				src: "liblog.so",
@@ -913,6 +917,7 @@
 		target_arch: "arm64",
 		compile_multilib: "both",
 		vendor: true,
+		no_crt_pad_segment: true,
 		arch: {
 			arm64: {
 				src: "libvendor_available.so",
diff --git a/scripts/Android.bp b/scripts/Android.bp
index 7baaadb..e2fd59f 100644
--- a/scripts/Android.bp
+++ b/scripts/Android.bp
@@ -143,6 +143,39 @@
 }
 
 python_library_host {
+    name: "uffd_gc_utils",
+    srcs: [
+        "uffd_gc_utils.py",
+    ],
+    visibility: [
+        "//build/make/tools:__subpackages__",
+    ],
+}
+
+python_test_host {
+    name: "uffd_gc_utils_test",
+    main: "uffd_gc_utils_test.py",
+    srcs: [
+        "uffd_gc_utils_test.py",
+    ],
+    libs: [
+        "uffd_gc_utils",
+    ],
+    test_suites: ["general-tests"],
+}
+
+python_binary_host {
+    name: "construct_uffd_gc_flag",
+    main: "construct_uffd_gc_flag.py",
+    srcs: [
+        "construct_uffd_gc_flag.py",
+    ],
+    libs: [
+        "uffd_gc_utils",
+    ],
+}
+
+python_library_host {
     name: "ninja_rsp",
     srcs: ["ninja_rsp.py"],
 }
diff --git a/scripts/construct_uffd_gc_flag.py b/scripts/construct_uffd_gc_flag.py
new file mode 100644
index 0000000..f437961
--- /dev/null
+++ b/scripts/construct_uffd_gc_flag.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2024 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.
+#
+"""A tool for constructing UFFD GC flag."""
+
+import argparse
+import os
+
+from uffd_gc_utils import should_enable_uffd_gc
+
+
+def parse_args():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('kernel_version_file')
+  parser.add_argument('output')
+  return parser.parse_args()
+
+def main():
+  args = parse_args()
+  enable_uffd_gc = should_enable_uffd_gc(args.kernel_version_file)
+  flag = '--runtime-arg -Xgc:CMC' if enable_uffd_gc else ''
+  # Prevent the file's mtime from being changed if the contents don't change.
+  # This avoids unnecessary dexpreopt reruns.
+  if os.path.isfile(args.output):
+    with open(args.output, 'r') as f:
+      if f.read() == flag:
+        return
+  with open(args.output, 'w') as f:
+    f.write(flag)
+
+
+if __name__ == '__main__':
+  main()
diff --git a/scripts/run-soong-tests-with-go-tools.sh b/scripts/run-soong-tests-with-go-tools.sh
index 9b7d8aa..93c622e 100755
--- a/scripts/run-soong-tests-with-go-tools.sh
+++ b/scripts/run-soong-tests-with-go-tools.sh
@@ -32,11 +32,13 @@
 mkdir -p ${TMPDIR}
 ${GOROOT}/bin/go env
 
-# Building with the race detector enabled uses the host linker, set the
-# path to use the hermetic one.
-CLANG_VERSION=$(build/soong/scripts/get_clang_version.py)
-export CC="${TOP}/prebuilts/clang/host/${OS}-x86/${CLANG_VERSION}/bin/clang"
-export CXX="${TOP}/prebuilts/clang/host/${OS}-x86/${CLANG_VERSION}/bin/clang++"
+if [[ ${OS} = linux ]]; then
+    # Building with the race detector enabled uses the host linker, set the
+    # path to use the hermetic one.
+    CLANG_VERSION=$(build/soong/scripts/get_clang_version.py)
+    export CC="${TOP}/prebuilts/clang/host/${OS}-x86/${CLANG_VERSION}/bin/clang"
+    export CXX="${TOP}/prebuilts/clang/host/${OS}-x86/${CLANG_VERSION}/bin/clang++"
+fi
 
 # androidmk_test.go gets confused if ANDROID_BUILD_TOP is set.
 unset ANDROID_BUILD_TOP
diff --git a/scripts/uffd_gc_utils.py b/scripts/uffd_gc_utils.py
new file mode 100644
index 0000000..2d35494
--- /dev/null
+++ b/scripts/uffd_gc_utils.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2024 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.
+#
+"""Utils to determine whether to enable UFFD GC."""
+
+import re
+import sys
+
+
+def should_enable_uffd_gc(kernel_version_file):
+  with open(kernel_version_file, 'r') as f:
+    kernel_version = f.read().strip()
+  return should_enable_uffd_gc_impl(kernel_version)
+
+def should_enable_uffd_gc_impl(kernel_version):
+  # See https://source.android.com/docs/core/architecture/kernel/gki-versioning#determine-release
+  p = r"^(?P<w>\d+)[.](?P<x>\d+)[.](?P<y>\d+)(-android(?P<z>\d+)-(?P<k>\d+).*$)?"
+  m = re.match(p, kernel_version)
+  if m is not None:
+    if m.group('z') is not None:
+      android_release = int(m.group('z'))
+      # No need to check w, x, y because all Android 12 kernels have backports.
+      return android_release >= 12
+    else:
+      # Old kernel or non-GKI kernel.
+      version = int(m.group('w'))
+      patch_level = int(m.group('x'))
+      if version < 5:
+        # Old kernel.
+        return False
+      elif (version == 5 and patch_level >= 7) or version >= 6:
+        # New non-GKI kernel. 5.7 supports MREMAP_DONTUNMAP without the need for
+        # backports.
+        return True
+      else:
+        # Non-GKI kernel between 5 and 5.6. It may have backports.
+        raise exit_with_error(kernel_version)
+  elif kernel_version == '<unknown-kernel>':
+    # The kernel information isn't available to the build system, probably
+    # because PRODUCT_OTA_ENFORCE_VINTF_KERNEL_REQUIREMENTS is set to false. We
+    # assume that the kernel supports UFFD GC because it is the case for most of
+    # the products today and it is the future.
+    return True
+  else:
+    # Unrecognizable non-GKI kernel.
+    raise exit_with_error(kernel_version)
+
+def exit_with_error(kernel_version):
+  sys.exit(f"""
+Unable to determine UFFD GC flag for kernel version "{kernel_version}".
+You can fix this by explicitly setting PRODUCT_ENABLE_UFFD_GC to "true" or
+"false" based on the kernel version.
+1. Set PRODUCT_ENABLE_UFFD_GC to "true" if the kernel supports userfaultfd(2)
+   and MREMAP_DONTUNMAP.
+2. Set PRODUCT_ENABLE_UFFD_GC to "false" otherwise.""")
diff --git a/scripts/uffd_gc_utils_test.py b/scripts/uffd_gc_utils_test.py
new file mode 100644
index 0000000..c86ab4b
--- /dev/null
+++ b/scripts/uffd_gc_utils_test.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2024 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.
+#
+"""Unit tests for uffd_gc_utils.py."""
+
+import unittest
+
+from uffd_gc_utils import should_enable_uffd_gc_impl
+
+
+class UffdGcUtilsTest(unittest.TestCase):
+  def test_should_enable_uffd_gc_impl(self):
+    # GKI kernels in new format.
+    self.assertTrue(should_enable_uffd_gc_impl(
+        "6.1.25-android14-11-g34fde9ec08a3-ab10675345"))
+    self.assertTrue(should_enable_uffd_gc_impl(
+        "5.4.42-android12-0-something"))
+    self.assertFalse(should_enable_uffd_gc_impl(
+        "5.4.42-android11-0-something"))
+    # GKI kernels in old format.
+    self.assertFalse(should_enable_uffd_gc_impl(
+        "4.19.282-g4b749a433956-ab10893502"))
+    # Non GKI kernels.
+    self.assertTrue(should_enable_uffd_gc_impl(
+        "6.1.25-foo"))
+    self.assertTrue(should_enable_uffd_gc_impl(
+        "6.1.25"))
+    self.assertTrue(should_enable_uffd_gc_impl(
+        "5.10.19-foo"))
+    self.assertTrue(should_enable_uffd_gc_impl(
+        "5.10.19"))
+    with self.assertRaises(SystemExit):
+        should_enable_uffd_gc_impl("5.4.42-foo")
+    with self.assertRaises(SystemExit):
+        should_enable_uffd_gc_impl("5.4.42")
+    self.assertFalse(should_enable_uffd_gc_impl(
+        "4.19.282-foo"))
+    self.assertFalse(should_enable_uffd_gc_impl(
+        "4.19.282"))
+    with self.assertRaises(SystemExit):
+        should_enable_uffd_gc_impl("foo")
+    # No kernel.
+    self.assertTrue(should_enable_uffd_gc_impl(
+        "<unknown-kernel>"))
+
+
+if __name__ == '__main__':
+  unittest.main(verbosity=2)
diff --git a/sysprop/sysprop_library.go b/sysprop/sysprop_library.go
index 4a0796b..766f3e7 100644
--- a/sysprop/sysprop_library.go
+++ b/sysprop/sysprop_library.go
@@ -345,6 +345,10 @@
 			fmt.Fprintln(w, "LOCAL_MODULE :=", m.Name())
 			fmt.Fprintf(w, "LOCAL_MODULE_CLASS := FAKE\n")
 			fmt.Fprintf(w, "LOCAL_MODULE_TAGS := optional\n")
+			// AconfigUpdateAndroidMkData may have added elements to Extra.  Process them here.
+			for _, extra := range data.Extra {
+				extra(w, nil)
+			}
 			fmt.Fprintf(w, "include $(BUILD_SYSTEM)/base_rules.mk\n\n")
 			fmt.Fprintf(w, "$(LOCAL_BUILT_MODULE): %s\n", m.checkApiFileTimeStamp.String())
 			fmt.Fprintf(w, "\ttouch $@\n\n")
diff --git a/testing/code_metadata_proto/Android.bp b/testing/code_metadata_proto/Android.bp
index 8fcca19..f07efff 100644
--- a/testing/code_metadata_proto/Android.bp
+++ b/testing/code_metadata_proto/Android.bp
@@ -20,10 +20,24 @@
     name: "soong-testing-code_metadata_proto",
     pkgPath: "android/soong/testing/code_metadata_proto",
     deps: [
-            "golang-protobuf-reflect-protoreflect",
-            "golang-protobuf-runtime-protoimpl",
-        ],
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "code_metadata.pb.go",
     ],
 }
+
+python_library_host {
+    name: "code-metadata-proto-py",
+    pkg_path: "code_metadata",
+    srcs: [
+        "code_metadata.proto",
+    ],
+    libs: [
+        "libprotobuf-python",
+    ],
+    proto: {
+        canonical_path_from_root: false,
+    },
+}
diff --git a/testing/test_spec_proto/Android.bp b/testing/test_spec_proto/Android.bp
index 1cac492..d5ad70b 100644
--- a/testing/test_spec_proto/Android.bp
+++ b/testing/test_spec_proto/Android.bp
@@ -20,10 +20,24 @@
     name: "soong-testing-test_spec_proto",
     pkgPath: "android/soong/testing/test_spec_proto",
     deps: [
-            "golang-protobuf-reflect-protoreflect",
-            "golang-protobuf-runtime-protoimpl",
-        ],
+        "golang-protobuf-reflect-protoreflect",
+        "golang-protobuf-runtime-protoimpl",
+    ],
     srcs: [
         "test_spec.pb.go",
     ],
 }
+
+python_library_host {
+    name: "test-spec-proto-py",
+    pkg_path: "test_spec",
+    srcs: [
+        "test_spec.proto",
+    ],
+    libs: [
+        "libprotobuf-python",
+    ],
+    proto: {
+        canonical_path_from_root: false,
+    },
+}
diff --git a/ui/build/config.go b/ui/build/config.go
index 5085c68..e29d239 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -115,6 +115,11 @@
 
 	// Data source to write ninja weight list
 	ninjaWeightListSource NinjaWeightListSource
+
+	// This file is a detailed dump of all soong-defined modules for debugging purposes.
+	// There's quite a bit of overlap with module-info.json and soong module graph. We
+	// could consider merging them.
+	moduleDebugFile string
 }
 
 type NinjaWeightListSource uint
@@ -273,6 +278,10 @@
 		ret.sandboxConfig.SetSrcDirIsRO(srcDirIsWritable == "false")
 	}
 
+	if os.Getenv("GENERATE_SOONG_DEBUG") == "true" {
+		ret.moduleDebugFile, _ = filepath.Abs(shared.JoinPath(ret.SoongOutDir(), "soong-debug-info.json"))
+	}
+
 	ret.environ.Unset(
 		// We're already using it
 		"USE_SOONG_UI",
@@ -325,6 +334,9 @@
 		"ANDROID_DEV_SCRIPTS",
 		"ANDROID_EMULATOR_PREBUILTS",
 		"ANDROID_PRE_BUILD_PATHS",
+
+		// We read it here already, don't let others share in the fun
+		"GENERATE_SOONG_DEBUG",
 	)
 
 	if ret.UseGoma() || ret.ForceUseGoma() {
diff --git a/ui/build/kati.go b/ui/build/kati.go
index 31e7440..d599c99 100644
--- a/ui/build/kati.go
+++ b/ui/build/kati.go
@@ -100,8 +100,6 @@
 		"--no_ninja_prelude",
 		// Support declaring phony outputs in AOSP Ninja.
 		"--use_ninja_phony_output",
-		// Support declaring symlink outputs in AOSP Ninja.
-		"--use_ninja_symlink_outputs",
 		// Regenerate the Ninja file if environment inputs have changed. e.g.
 		// CLI flags, .mk file timestamps, env vars, $(wildcard ..) and some
 		// $(shell ..) results.
diff --git a/ui/build/paths/config.go b/ui/build/paths/config.go
index 65e2c8e..2f25a8c 100644
--- a/ui/build/paths/config.go
+++ b/ui/build/paths/config.go
@@ -93,6 +93,7 @@
 	"fuser":          Allowed,
 	"gcert":          Allowed,
 	"gcertstatus":    Allowed,
+	"gcloud":         Allowed,
 	"getopt":         Allowed,
 	"git":            Allowed,
 	"hexdump":        Allowed,
@@ -101,7 +102,6 @@
 	"javap":          Allowed,
 	"lsof":           Allowed,
 	"openssl":        Allowed,
-	"prodcertstatus": Allowed,
 	"pstree":         Allowed,
 	"rsync":          Allowed,
 	"sh":             Allowed,
diff --git a/ui/build/soong.go b/ui/build/soong.go
index 90c3bfc..a201ac5 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -204,6 +204,11 @@
 		commonArgs = append(commonArgs, "--build-from-source-stub")
 	}
 
+	if pb.config.moduleDebugFile != "" {
+		commonArgs = append(commonArgs, "--soong_module_debug")
+		commonArgs = append(commonArgs, pb.config.moduleDebugFile)
+	}
+
 	commonArgs = append(commonArgs, "-l", filepath.Join(pb.config.FileListDir(), "Android.bp.list"))
 	invocationEnv := make(map[string]string)
 	if pb.debugPort != "" {