Merge "Use the toolchain from JDK 17"
diff --git a/OWNERS b/OWNERS
index 730db7a..e18eea1 100644
--- a/OWNERS
+++ b/OWNERS
@@ -14,6 +14,7 @@
 eakammer@google.com
 jobredeaux@google.com
 joeo@google.com
+juu@google.com
 lamontjones@google.com
 spandandas@google.com
 tradical@google.com
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 19bf001..16feb74 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -370,8 +370,10 @@
 		"code_coverage.policy.other",
 		"codec2_soft_exports",
 		"codecs_g711dec",
+		"com.android.media.swcodec",
 		"com.android.media.swcodec-androidManifest",
 		"com.android.media.swcodec-ld.config.txt",
+		"com.android.media.swcodec-mediaswcodec.32rc",
 		"com.android.media.swcodec-mediaswcodec.rc",
 		"com.android.media.swcodec.certificate",
 		"com.android.media.swcodec.key",
diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index 3e490dd..6409292 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -104,9 +104,16 @@
 	configKey   configKey
 }
 
+func makeCqueryKey(label string, cqueryRequest cqueryRequest, cfgKey configKey) cqueryKey {
+	if strings.HasPrefix(label, "//") {
+		// Normalize Bazel labels to specify main repository explicitly.
+		label = "@" + label
+	}
+	return cqueryKey{label, cqueryRequest, cfgKey}
+}
+
 func (c cqueryKey) String() string {
 	return fmt.Sprintf("cquery(%s,%s,%s)", c.label, c.requestType.Name(), c.configKey)
-
 }
 
 // BazelContext is a context object useful for interacting with Bazel during
@@ -261,23 +268,24 @@
 var _ BazelContext = MockBazelContext{}
 
 func (bazelCtx *bazelContext) QueueBazelRequest(label string, requestType cqueryRequest, cfgKey configKey) {
-	key := cqueryKey{label, requestType, cfgKey}
+	key := makeCqueryKey(label, requestType, cfgKey)
 	bazelCtx.requestMutex.Lock()
 	defer bazelCtx.requestMutex.Unlock()
 	bazelCtx.requests[key] = true
 }
 
 func (bazelCtx *bazelContext) GetOutputFiles(label string, cfgKey configKey) ([]string, error) {
-	key := cqueryKey{label, cquery.GetOutputFiles, cfgKey}
+	key := makeCqueryKey(label, cquery.GetOutputFiles, cfgKey)
 	if rawString, ok := bazelCtx.results[key]; ok {
 		bazelOutput := strings.TrimSpace(rawString)
+
 		return cquery.GetOutputFiles.ParseResult(bazelOutput), nil
 	}
 	return nil, fmt.Errorf("no bazel response found for %v", key)
 }
 
 func (bazelCtx *bazelContext) GetCcInfo(label string, cfgKey configKey) (cquery.CcInfo, error) {
-	key := cqueryKey{label, cquery.GetCcInfo, cfgKey}
+	key := makeCqueryKey(label, cquery.GetCcInfo, cfgKey)
 	if rawString, ok := bazelCtx.results[key]; ok {
 		bazelOutput := strings.TrimSpace(rawString)
 		return cquery.GetCcInfo.ParseResult(bazelOutput)
@@ -286,7 +294,7 @@
 }
 
 func (bazelCtx *bazelContext) GetPythonBinary(label string, cfgKey configKey) (string, error) {
-	key := cqueryKey{label, cquery.GetPythonBinary, cfgKey}
+	key := makeCqueryKey(label, cquery.GetPythonBinary, cfgKey)
 	if rawString, ok := bazelCtx.results[key]; ok {
 		bazelOutput := strings.TrimSpace(rawString)
 		return cquery.GetPythonBinary.ParseResult(bazelOutput), nil
@@ -295,7 +303,7 @@
 }
 
 func (bazelCtx *bazelContext) GetApexInfo(label string, cfgKey configKey) (cquery.ApexCqueryInfo, error) {
-	key := cqueryKey{label, cquery.GetApexInfo, cfgKey}
+	key := makeCqueryKey(label, cquery.GetApexInfo, cfgKey)
 	if rawString, ok := bazelCtx.results[key]; ok {
 		return cquery.GetApexInfo.ParseResult(strings.TrimSpace(rawString)), nil
 	}
@@ -755,6 +763,10 @@
 def format(target):
   id_string = str(target.label) + "|" + get_arch(target)
 
+  # TODO(b/248106697): Remove once Bazel is updated to always normalize labels.
+  if id_string.startswith("//"):
+    id_string = "@" + id_string
+
   # Main switch section
   %s
   # This target was not requested via cquery, and thus must be a dependency
diff --git a/android/bazel_handler_test.go b/android/bazel_handler_test.go
index ec2541b..dc2261c 100644
--- a/android/bazel_handler_test.go
+++ b/android/bazel_handler_test.go
@@ -13,10 +13,10 @@
 var testConfig = TestConfig("out", nil, "", nil)
 
 func TestRequestResultsAfterInvokeBazel(t *testing.T) {
-	label := "//foo:bar"
+	label := "@//foo:bar"
 	cfg := configKey{"arm64_armv8-a", Android}
 	bazelContext, _ := testBazelContext(t, map[bazelCommand]string{
-		bazelCommand{command: "cquery", expression: "deps(@soong_injection//mixed_builds:buildroot, 2)"}: `//foo:bar|arm64_armv8-a|android>>out/foo/bar.txt`,
+		bazelCommand{command: "cquery", expression: "deps(@soong_injection//mixed_builds:buildroot, 2)"}: `@//foo:bar|arm64_armv8-a|android>>out/foo/bar.txt`,
 	})
 	bazelContext.QueueBazelRequest(label, cquery.GetOutputFiles, cfg)
 	err := bazelContext.InvokeBazel(testConfig)
diff --git a/android/module.go b/android/module.go
index f63a06d..a150e61 100644
--- a/android/module.go
+++ b/android/module.go
@@ -1523,7 +1523,7 @@
 	return FirstUniqueStrings(m.commonProperties.BazelConversionStatus.UnconvertedDeps)
 }
 
-// GetMissingBp2buildDeps eturns the list of module names that were not found in Android.bp files.
+// GetMissingBp2buildDeps returns the list of module names that were not found in Android.bp files.
 func (m *ModuleBase) GetMissingBp2buildDeps() []string {
 	return FirstUniqueStrings(m.commonProperties.BazelConversionStatus.MissingDeps)
 }
diff --git a/android/prebuilt.go b/android/prebuilt.go
index 4e4fa42..9b5c0e9 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -56,7 +56,9 @@
 var _ ExcludeFromVisibilityEnforcementTag = PrebuiltDepTag
 var _ ExcludeFromApexContentsTag = PrebuiltDepTag
 
-type PrebuiltProperties struct {
+// UserSuppliedPrebuiltProperties contains the prebuilt properties that can be specified in an
+// Android.bp file.
+type UserSuppliedPrebuiltProperties struct {
 	// When prefer is set to true the prebuilt will be used instead of any source module with
 	// a matching name.
 	Prefer *bool `android:"arch_variant"`
@@ -70,6 +72,16 @@
 	// If specified then the prefer property is ignored in favor of the value of the Soong config
 	// variable.
 	Use_source_config_var *ConfigVarProperties
+}
+
+// CopyUserSuppliedPropertiesFromPrebuilt copies the user supplied prebuilt properties from the
+// prebuilt properties.
+func (u *UserSuppliedPrebuiltProperties) CopyUserSuppliedPropertiesFromPrebuilt(p *Prebuilt) {
+	*u = p.properties.UserSuppliedPrebuiltProperties
+}
+
+type PrebuiltProperties struct {
+	UserSuppliedPrebuiltProperties
 
 	SourceExists bool `blueprint:"mutated"`
 	UsePrebuilt  bool `blueprint:"mutated"`
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 7ae9ed7..e130fcc 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -7235,12 +7235,13 @@
 	ensureContains(t, content, `"compression":{"uncompressed_glob":["apex_payload.img","apex_manifest.*"]}`)
 	s := mod.Rule("apexRule").Args["copy_commands"]
 	copyCmds := regexp.MustCompile(" *&& *").Split(s, -1)
-	if len(copyCmds) != 3 {
-		t.Fatalf("Expected 3 commands, got %d in:\n%s", len(copyCmds), s)
+	if len(copyCmds) != 4 {
+		t.Fatalf("Expected 4 commands, got %d in:\n%s", len(copyCmds), s)
 	}
 	ensureMatches(t, copyCmds[0], "^rm -rf .*/app/AppSet@TEST.BUILD_ID$")
 	ensureMatches(t, copyCmds[1], "^mkdir -p .*/app/AppSet@TEST.BUILD_ID$")
-	ensureMatches(t, copyCmds[2], "^unzip .*-d .*/app/AppSet@TEST.BUILD_ID .*/AppSet.zip$")
+	ensureMatches(t, copyCmds[2], "^cp -f .*/app/AppSet@TEST.BUILD_ID/AppSet.apk$")
+	ensureMatches(t, copyCmds[3], "^unzip .*-d .*/app/AppSet@TEST.BUILD_ID .*/AppSet.zip$")
 
 	// Ensure that canned_fs_config has an entry for the app set zip file
 	generateFsRule := mod.Rule("generateFsConfig")
diff --git a/apex/builder.go b/apex/builder.go
index cb09e35..ad8075b 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -459,8 +459,13 @@
 			pathOnDevice := filepath.Join("/system", fi.path())
 			copyCommands = append(copyCommands, "ln -sfn "+pathOnDevice+" "+destPath)
 		} else {
+			// Copy the file into APEX
+			copyCommands = append(copyCommands, "cp -f "+fi.builtFile.String()+" "+destPath)
+
 			var installedPath android.InstallPath
 			if fi.class == appSet {
+				// In case of AppSet, we need to copy additional APKs as well. They
+				// are zipped. So we need to unzip them.
 				copyCommands = append(copyCommands,
 					fmt.Sprintf("unzip -qDD -d %s %s", destPathDir,
 						fi.module.(*java.AndroidAppSet).PackedAdditionalOutputs().String()))
@@ -469,7 +474,6 @@
 						fi.stem(), fi.builtFile, fi.module.(*java.AndroidAppSet).PackedAdditionalOutputs())
 				}
 			} else {
-				copyCommands = append(copyCommands, "cp -f "+fi.builtFile.String()+" "+destPath)
 				if installSymbolFiles {
 					installedPath = ctx.InstallFile(pathWhenActivated.Join(ctx, fi.installDir), fi.stem(), fi.builtFile)
 				}
@@ -1086,6 +1090,9 @@
 				executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
 			}
 		} else if f.class == appSet {
+			// base APK
+			readOnlyPaths = append(readOnlyPaths, pathInApex)
+			// Additional APKs
 			appSetDirs = append(appSetDirs, f.installDir)
 			appSetFiles[f.installDir] = f.module.(*java.AndroidAppSet).PackedAdditionalOutputs()
 		} else {
diff --git a/bazel/cquery/request_type.go b/bazel/cquery/request_type.go
index 3b06f85..e35b531 100644
--- a/bazel/cquery/request_type.go
+++ b/bazel/cquery/request_type.go
@@ -181,6 +181,9 @@
 	decoder := json.NewDecoder(strings.NewReader(rawString))
 	decoder.DisallowUnknownFields() //useful to detect typos, e.g. in unit tests
 	err := decoder.Decode(&ccInfo)
+	if err != nil {
+		return ccInfo, fmt.Errorf("error parsing CcInfo result. %s RAW STRING: %s", err, rawString)
+	}
 	return ccInfo, err
 }
 
diff --git a/cc/cc_test.go b/cc/cc_test.go
index 01ac133..6a22bd0 100644
--- a/cc/cc_test.go
+++ b/cc/cc_test.go
@@ -3260,6 +3260,102 @@
 	}
 }
 
+func pathsToBase(paths android.Paths) []string {
+	var ret []string
+	for _, p := range paths {
+		ret = append(ret, p.Base())
+	}
+	return ret
+}
+
+func TestStaticLibArchiveArgs(t *testing.T) {
+	ctx := testCc(t, `
+		cc_library_static {
+			name: "foo",
+			srcs: ["foo.c"],
+		}
+
+		cc_library_static {
+			name: "bar",
+			srcs: ["bar.c"],
+		}
+
+		cc_library_shared {
+			name: "qux",
+			srcs: ["qux.c"],
+		}
+
+		cc_library_static {
+			name: "baz",
+			srcs: ["baz.c"],
+			static_libs: ["foo"],
+			shared_libs: ["qux"],
+			whole_static_libs: ["bar"],
+		}`)
+
+	variant := "android_arm64_armv8-a_static"
+	arRule := ctx.ModuleForTests("baz", variant).Rule("ar")
+
+	// For static libraries, the object files of a whole static dep are included in the archive
+	// directly
+	if g, w := pathsToBase(arRule.Inputs), []string{"bar.o", "baz.o"}; !reflect.DeepEqual(w, g) {
+		t.Errorf("Expected input objects %q, got %q", w, g)
+	}
+
+	// non whole static dependencies are not linked into the archive
+	if len(arRule.Implicits) > 0 {
+		t.Errorf("Expected 0 additional deps, got %q", arRule.Implicits)
+	}
+}
+
+func TestSharedLibLinkingArgs(t *testing.T) {
+	ctx := testCc(t, `
+		cc_library_static {
+			name: "foo",
+			srcs: ["foo.c"],
+		}
+
+		cc_library_static {
+			name: "bar",
+			srcs: ["bar.c"],
+		}
+
+		cc_library_shared {
+			name: "qux",
+			srcs: ["qux.c"],
+		}
+
+		cc_library_shared {
+			name: "baz",
+			srcs: ["baz.c"],
+			static_libs: ["foo"],
+			shared_libs: ["qux"],
+			whole_static_libs: ["bar"],
+		}`)
+
+	variant := "android_arm64_armv8-a_shared"
+	linkRule := ctx.ModuleForTests("baz", variant).Rule("ld")
+	libFlags := linkRule.Args["libFlags"]
+	// When dynamically linking, we expect static dependencies to be found on the command line
+	if expected := "foo.a"; !strings.Contains(libFlags, expected) {
+		t.Errorf("Static lib %q was not found in %q", expected, libFlags)
+	}
+	// When dynamically linking, we expect whole static dependencies to be found on the command line
+	if expected := "bar.a"; !strings.Contains(libFlags, expected) {
+		t.Errorf("Static lib %q was not found in %q", expected, libFlags)
+	}
+
+	// When dynamically linking, we expect shared dependencies to be found on the command line
+	if expected := "qux.so"; !strings.Contains(libFlags, expected) {
+		t.Errorf("Shared lib %q was not found in %q", expected, libFlags)
+	}
+
+	// We should only have the objects from the shared library srcs, not the whole static dependencies
+	if g, w := pathsToBase(linkRule.Inputs), []string{"baz.o"}; !reflect.DeepEqual(w, g) {
+		t.Errorf("Expected input objects %q, got %q", w, g)
+	}
+}
+
 func TestStaticExecutable(t *testing.T) {
 	ctx := testCc(t, `
 		cc_binary {
@@ -3543,14 +3639,6 @@
 			defaults: ["defaults"],
 		}`)
 
-	pathsToBase := func(paths android.Paths) []string {
-		var ret []string
-		for _, p := range paths {
-			ret = append(ret, p.Base())
-		}
-		return ret
-	}
-
 	shared := ctx.ModuleForTests("libshared", "android_arm64_armv8-a_shared").Rule("ld")
 	if g, w := pathsToBase(shared.Inputs), []string{"foo.o", "baz.o"}; !reflect.DeepEqual(w, g) {
 		t.Errorf("libshared ld rule wanted %q, got %q", w, g)
diff --git a/cc/sanitize.go b/cc/sanitize.go
index 436b149..0b47f0e 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -881,8 +881,12 @@
 	switch t {
 	case Asan:
 		sanitize.Properties.Sanitize.Address = bPtr
+		// For ASAN variant, we need to disable Memtag_stack
+		sanitize.Properties.Sanitize.Memtag_stack = nil
 	case Hwasan:
 		sanitize.Properties.Sanitize.Hwaddress = bPtr
+		// For HWAsan variant, we need to disable Memtag_stack
+		sanitize.Properties.Sanitize.Memtag_stack = nil
 	case tsan:
 		sanitize.Properties.Sanitize.Thread = bPtr
 	case intOverflow:
@@ -895,6 +899,7 @@
 		sanitize.Properties.Sanitize.Memtag_heap = bPtr
 	case Memtag_stack:
 		sanitize.Properties.Sanitize.Memtag_stack = bPtr
+		// We do not need to disable ASAN or HWASan here, as there is no Memtag_stack variant.
 	case Fuzzer:
 		sanitize.Properties.Sanitize.Fuzzer = bPtr
 	default:
diff --git a/cmd/pom2bp/pom2bp.go b/cmd/pom2bp/pom2bp.go
index d4a57bf..0e8ad05 100644
--- a/cmd/pom2bp/pom2bp.go
+++ b/cmd/pom2bp/pom2bp.go
@@ -150,6 +150,7 @@
 var defaultMinSdkVersion string
 var useVersion string
 var staticDeps bool
+var writeCmd bool
 var jetifier bool
 
 func InList(s string, list []string) bool {
@@ -810,6 +811,9 @@
   -use-version <version>
      If the maven directory contains multiple versions of artifacts and their pom files,
      -use-version can be used to only write Android.bp files for a specific version of those artifacts.
+  -write-cmd
+     Whether to write the command line arguments used to generate the build file as a comment at
+     the top of the build file itself.
   -jetifier
      Sets jetifier: true for all modules.
   <dir>
@@ -837,6 +841,7 @@
 	flag.StringVar(&defaultMinSdkVersion, "default-min-sdk-version", "24", "Default min_sdk_version to use, if one is not available from AndroidManifest.xml. Default: 24")
 	flag.StringVar(&useVersion, "use-version", "", "Only read artifacts of a specific version")
 	flag.BoolVar(&staticDeps, "static-deps", false, "Statically include direct dependencies")
+	flag.BoolVar(&writeCmd, "write-cmd", true, "Write command line arguments as a comment")
 	flag.BoolVar(&jetifier, "jetifier", false, "Sets jetifier: true on all modules")
 	flag.StringVar(&regen, "regen", "", "Rewrite specified file")
 	flag.BoolVar(&pom2build, "pom2build", false, "If true, will generate a Bazel BUILD file *instead* of a .bp file")
@@ -964,8 +969,13 @@
 	if pom2build {
 		commentString = "#"
 	}
-	fmt.Fprintln(buf, commentString, "Automatically generated with:")
-	fmt.Fprintln(buf, commentString, "pom2bp", strings.Join(proptools.ShellEscapeList(os.Args[1:]), " "))
+
+	fmt.Fprintln(buf, commentString, "This is a generated file. Do not modify directly.")
+
+	if writeCmd {
+		fmt.Fprintln(buf, commentString, "Automatically generated with:")
+		fmt.Fprintln(buf, commentString, "pom2bp", strings.Join(proptools.ShellEscapeList(os.Args[1:]), " "))
+	}
 
 	if prepend != "" {
 		contents, err := ioutil.ReadFile(prepend)
diff --git a/java/aar.go b/java/aar.go
index 3aa95d4..6261f29 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -440,7 +440,7 @@
 		switch depTag {
 		case instrumentationForTag:
 			// Nothing, instrumentationForTag is treated as libTag for javac but not for aapt2.
-		case libTag:
+		case sdkLibTag, libTag:
 			if exportPackage != nil {
 				sharedLibs = append(sharedLibs, exportPackage)
 			}
diff --git a/java/base.go b/java/base.go
index 23b4d46..656a080 100644
--- a/java/base.go
+++ b/java/base.go
@@ -530,7 +530,7 @@
 		// TODO(satayev): cover other types as well, e.g. imports
 		case *Library, *AndroidLibrary:
 			switch tag {
-			case bootClasspathTag, libTag, staticLibTag, java9LibTag:
+			case bootClasspathTag, sdkLibTag, libTag, staticLibTag, java9LibTag:
 				j.checkSdkLinkType(ctx, module.(moduleWithSdkDep), tag.(dependencyTag))
 			}
 		}
@@ -1955,7 +1955,7 @@
 
 		if dep, ok := module.(SdkLibraryDependency); ok {
 			switch tag {
-			case libTag:
+			case sdkLibTag, libTag:
 				depHeaderJars := dep.SdkHeaderJars(ctx, j.SdkVersion(ctx))
 				deps.classpath = append(deps.classpath, depHeaderJars...)
 				deps.dexClasspath = append(deps.dexClasspath, depHeaderJars...)
@@ -1975,7 +1975,7 @@
 			switch tag {
 			case bootClasspathTag:
 				deps.bootClasspath = append(deps.bootClasspath, dep.HeaderJars...)
-			case libTag, instrumentationForTag:
+			case sdkLibTag, libTag, instrumentationForTag:
 				if _, ok := module.(*Plugin); ok {
 					ctx.ModuleErrorf("a java_plugin (%s) cannot be used as a libs dependency", otherName)
 				}
@@ -2048,7 +2048,7 @@
 			}
 		} else if dep, ok := module.(android.SourceFileProducer); ok {
 			switch tag {
-			case libTag:
+			case sdkLibTag, libTag:
 				checkProducesJars(ctx, dep)
 				deps.classpath = append(deps.classpath, dep.Srcs()...)
 				deps.dexClasspath = append(deps.classpath, dep.Srcs()...)
diff --git a/java/droiddoc.go b/java/droiddoc.go
index 15585f1..2173dae 100644
--- a/java/droiddoc.go
+++ b/java/droiddoc.go
@@ -267,7 +267,7 @@
 			ctx.AddVariationDependencies(nil, bootClasspathTag, sdkDep.bootclasspath...)
 			ctx.AddVariationDependencies(nil, systemModulesTag, sdkDep.systemModules)
 			ctx.AddVariationDependencies(nil, java9LibTag, sdkDep.java9Classpath...)
-			ctx.AddVariationDependencies(nil, libTag, sdkDep.classpath...)
+			ctx.AddVariationDependencies(nil, sdkLibTag, sdkDep.classpath...)
 		}
 	}
 
@@ -367,7 +367,7 @@
 			} else {
 				panic(fmt.Errorf("unknown dependency %q for %q", otherName, ctx.ModuleName()))
 			}
-		case libTag:
+		case libTag, sdkLibTag:
 			if dep, ok := module.(SdkLibraryDependency); ok {
 				deps.classpath = append(deps.classpath, dep.SdkHeaderJars(ctx, j.SdkVersion(ctx))...)
 			} else if ctx.OtherModuleHasProvider(module, JavaInfoProvider) {
diff --git a/java/java.go b/java/java.go
index d04e52a..fc2af3b 100644
--- a/java/java.go
+++ b/java/java.go
@@ -348,6 +348,7 @@
 	dataDeviceBinsTag       = dependencyTag{name: "dataDeviceBins"}
 	staticLibTag            = dependencyTag{name: "staticlib"}
 	libTag                  = dependencyTag{name: "javalib", runtimeLinked: true}
+	sdkLibTag               = dependencyTag{name: "sdklib", runtimeLinked: true}
 	java9LibTag             = dependencyTag{name: "java9lib", runtimeLinked: true}
 	pluginTag               = dependencyTag{name: "plugin", toolchain: true}
 	errorpronePluginTag     = dependencyTag{name: "errorprone-plugin", toolchain: true}
@@ -374,7 +375,7 @@
 )
 
 func IsLibDepTag(depTag blueprint.DependencyTag) bool {
-	return depTag == libTag
+	return depTag == libTag || depTag == sdkLibTag
 }
 
 func IsStaticLibDepTag(depTag blueprint.DependencyTag) bool {
@@ -427,7 +428,7 @@
 	if sdkDep.useModule {
 		ctx.AddVariationDependencies(nil, bootClasspathTag, sdkDep.bootclasspath...)
 		ctx.AddVariationDependencies(nil, java9LibTag, sdkDep.java9Classpath...)
-		ctx.AddVariationDependencies(nil, libTag, sdkDep.classpath...)
+		ctx.AddVariationDependencies(nil, sdkLibTag, sdkDep.classpath...)
 		if d.effectiveOptimizeEnabled() && sdkDep.hasStandardLibs() {
 			ctx.AddVariationDependencies(nil, proguardRaiseTag, config.LegacyCorePlatformBootclasspathLibraries...)
 		}
@@ -1654,7 +1655,7 @@
 		if ctx.OtherModuleHasProvider(module, JavaInfoProvider) {
 			dep := ctx.OtherModuleProvider(module, JavaInfoProvider).(JavaInfo)
 			switch tag {
-			case libTag:
+			case libTag, sdkLibTag:
 				flags.classpath = append(flags.classpath, dep.HeaderJars...)
 				flags.dexClasspath = append(flags.dexClasspath, dep.HeaderJars...)
 			case staticLibTag:
@@ -1664,7 +1665,7 @@
 			}
 		} else if dep, ok := module.(SdkLibraryDependency); ok {
 			switch tag {
-			case libTag:
+			case libTag, sdkLibTag:
 				flags.classpath = append(flags.classpath, dep.SdkHeaderJars(ctx, j.SdkVersion(ctx))...)
 			}
 		}
@@ -2178,7 +2179,7 @@
 	}
 
 	depTag := ctx.OtherModuleDependencyTag(depModule)
-	if depTag == libTag {
+	if IsLibDepTag(depTag) {
 		// Ok, propagate <uses-library> through non-static library dependencies.
 	} else if tag, ok := depTag.(usesLibraryDependencyTag); ok && tag.sdkVersion == dexpreopt.AnySdkVersion {
 		// Ok, propagate <uses-library> through non-compatibility <uses-library> dependencies.
diff --git a/java/lint_test.go b/java/lint_test.go
index 456e6ba..62450d5 100644
--- a/java/lint_test.go
+++ b/java/lint_test.go
@@ -271,7 +271,7 @@
 				"a.java",
 			],
 			min_sdk_version: "29",
-			sdk_version: "module_current",
+			sdk_version: "XXX",
 			lint: {
 				strict_updatability_linting: true,
 			},
diff --git a/java/robolectric.go b/java/robolectric.go
index 71ffdb1..7f2981f 100644
--- a/java/robolectric.go
+++ b/java/robolectric.go
@@ -23,6 +23,7 @@
 	"android/soong/android"
 	"android/soong/java/config"
 	"android/soong/tradefed"
+
 	"github.com/google/blueprint/proptools"
 )
 
@@ -166,7 +167,7 @@
 		instrumentedApp.implementationAndResourcesJar,
 	}
 
-	for _, dep := range ctx.GetDirectDepsWithTag(libTag) {
+	handleLibDeps := func(dep android.Module) {
 		m := ctx.OtherModuleProvider(dep, JavaInfoProvider).(JavaInfo)
 		r.libs = append(r.libs, ctx.OtherModuleName(dep))
 		if !android.InList(ctx.OtherModuleName(dep), config.FrameworkLibraries) {
@@ -174,6 +175,13 @@
 		}
 	}
 
+	for _, dep := range ctx.GetDirectDepsWithTag(libTag) {
+		handleLibDeps(dep)
+	}
+	for _, dep := range ctx.GetDirectDepsWithTag(sdkLibTag) {
+		handleLibDeps(dep)
+	}
+
 	r.combinedJar = android.PathForModuleOut(ctx, "robolectric_combined", r.outputFile.Base())
 	TransformJarsToJar(ctx, r.combinedJar, "combine jars", combinedJarJars, android.OptionalPath{},
 		false, nil, nil)
diff --git a/java/sdk_library.go b/java/sdk_library.go
index d188133..59ffff5 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -2236,8 +2236,9 @@
 		Sdk_version *string
 		Libs        []string
 		Jars        []string
-		Prefer      *bool
 		Compile_dex *bool
+
+		android.UserSuppliedPrebuiltProperties
 	}{}
 	props.Name = proptools.StringPtr(module.stubsLibraryModuleName(apiScope))
 	props.Sdk_version = scopeProperties.Sdk_version
@@ -2247,7 +2248,7 @@
 	props.Jars = scopeProperties.Jars
 
 	// The imports are preferred if the java_sdk_library_import is preferred.
-	props.Prefer = proptools.BoolPtr(module.prebuilt.Prefer())
+	props.CopyUserSuppliedPropertiesFromPrebuilt(&module.prebuilt)
 
 	// The imports need to be compiled to dex if the java_sdk_library_import requests it.
 	compileDex := module.properties.Compile_dex
@@ -2261,16 +2262,18 @@
 
 func (module *SdkLibraryImport) createPrebuiltStubsSources(mctx android.DefaultableHookContext, apiScope *apiScope, scopeProperties *sdkLibraryScopeProperties) {
 	props := struct {
-		Name   *string
-		Srcs   []string
-		Prefer *bool
+		Name *string
+		Srcs []string
+
+		android.UserSuppliedPrebuiltProperties
 	}{}
 	props.Name = proptools.StringPtr(module.stubsSourceModuleName(apiScope))
 	props.Srcs = scopeProperties.Stub_srcs
-	mctx.CreateModule(PrebuiltStubsSourcesFactory, &props)
 
 	// The stubs source is preferred if the java_sdk_library_import is preferred.
-	props.Prefer = proptools.BoolPtr(module.prebuilt.Prefer())
+	props.CopyUserSuppliedPropertiesFromPrebuilt(&module.prebuilt)
+
+	mctx.CreateModule(PrebuiltStubsSourcesFactory, &props)
 }
 
 // Add the dependencies on the child module in the component deps mutator so that it
diff --git a/java/sdk_library_test.go b/java/sdk_library_test.go
index 805bc22..ea7b2f7 100644
--- a/java/sdk_library_test.go
+++ b/java/sdk_library_test.go
@@ -875,11 +875,12 @@
 	})
 }
 
-func TestJavaSdkLibraryImport_Preferred(t *testing.T) {
+func testJavaSdkLibraryImport_Preferred(t *testing.T, prefer string, preparer android.FixturePreparer) {
 	result := android.GroupFixturePreparers(
 		prepareForJavaTest,
 		PrepareForTestWithJavaSdkLibraryFiles,
 		FixtureWithLastReleaseApis("sdklib"),
+		preparer,
 	).RunTestWithBp(t, `
 		java_sdk_library {
 			name: "sdklib",
@@ -893,11 +894,37 @@
 
 		java_sdk_library_import {
 			name: "sdklib",
-			prefer: true,
+			`+prefer+`
 			public: {
 				jars: ["a.jar"],
+				stub_srcs: ["a.java"],
+				current_api: "current.txt",
+				removed_api: "removed.txt",
+				annotations: "annotations.zip",
 			},
 		}
+
+		java_library {
+			name: "combined",
+			static_libs: [
+				"sdklib.stubs",
+			],
+			java_resources: [
+				":sdklib.stubs.source",
+				":sdklib{.public.api.txt}",
+				":sdklib{.public.removed-api.txt}",
+				":sdklib{.public.annotations.zip}",
+			],
+			sdk_version: "none",
+			system_modules: "none",
+		}
+
+		java_library {
+			name: "public",
+			srcs: ["a.java"],
+			libs: ["sdklib"],
+			sdk_version: "current",
+		}
 		`)
 
 	CheckModuleDependencies(t, result.TestContext, "sdklib", "android_common", []string{
@@ -913,9 +940,48 @@
 	CheckModuleDependencies(t, result.TestContext, "prebuilt_sdklib", "android_common", []string{
 		`dex2oatd`,
 		`prebuilt_sdklib.stubs`,
+		`prebuilt_sdklib.stubs.source`,
 		`sdklib.impl`,
 		`sdklib.xml`,
 	})
+
+	// Make sure that dependencies on child modules use the prebuilt when preferred.
+	CheckModuleDependencies(t, result.TestContext, "combined", "android_common", []string{
+		// Each use of :sdklib{...} adds a dependency onto prebuilt_sdklib.
+		`prebuilt_sdklib`,
+		`prebuilt_sdklib`,
+		`prebuilt_sdklib`,
+		`prebuilt_sdklib.stubs`,
+		`prebuilt_sdklib.stubs.source`,
+	})
+
+	// Make sure that dependencies on sdklib that resolve to one of the child libraries use the
+	// prebuilt library.
+	public := result.ModuleForTests("public", "android_common")
+	rule := public.Output("javac/public.jar")
+	inputs := rule.Implicits.Strings()
+	expected := "out/soong/.intermediates/prebuilt_sdklib.stubs/android_common/combined/sdklib.stubs.jar"
+	if !android.InList(expected, inputs) {
+		t.Errorf("expected %q to contain %q", inputs, expected)
+	}
+}
+
+func TestJavaSdkLibraryImport_Preferred(t *testing.T) {
+	t.Run("prefer", func(t *testing.T) {
+		testJavaSdkLibraryImport_Preferred(t, "prefer: true,", android.NullFixturePreparer)
+	})
+
+	t.Run("use_source_config_var", func(t *testing.T) {
+		testJavaSdkLibraryImport_Preferred(t,
+			"use_source_config_var: {config_namespace: \"acme\", var_name: \"use_source\"},",
+			android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+				variables.VendorVars = map[string]map[string]string{
+					"acme": {
+						"use_source": "false",
+					},
+				}
+			}))
+	})
 }
 
 func TestJavaSdkLibraryEnforce(t *testing.T) {
diff --git a/python/tests/dont_import_folder_of_entrypoint/Android.bp b/python/tests/dont_import_folder_of_entrypoint/Android.bp
index fc62813..ea5076e 100644
--- a/python/tests/dont_import_folder_of_entrypoint/Android.bp
+++ b/python/tests/dont_import_folder_of_entrypoint/Android.bp
@@ -1,3 +1,7 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 python_test_host {
     name: "py_dont_import_folder_of_entrypoint_test",
     main: "mypkg/main.py",
diff --git a/python/tests/top_level_dirs/Android.bp b/python/tests/top_level_dirs/Android.bp
index 0b15ce7..fe13d4f 100644
--- a/python/tests/top_level_dirs/Android.bp
+++ b/python/tests/top_level_dirs/Android.bp
@@ -1,3 +1,7 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 python_test_host {
     name: "py_dont_add_top_level_dirs_test",
     main: "main.py",
diff --git a/rust/rust.go b/rust/rust.go
index 1517e62..7342a14 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -1615,7 +1615,7 @@
 		}
 	}
 
-	if depTag == procMacroDepTag {
+	if depTag == procMacroDepTag || depTag == customBindgenDepTag {
 		return false
 	}
 
diff --git a/sdk/build_release.go b/sdk/build_release.go
index ac57a32..6bb05a3 100644
--- a/sdk/build_release.go
+++ b/sdk/build_release.go
@@ -100,6 +100,7 @@
 	// Add the dessert build releases from oldest to newest.
 	buildReleaseS = initBuildRelease("S")
 	buildReleaseT = initBuildRelease("Tiramisu")
+	buildReleaseU = initBuildRelease("UpsideDownCake")
 
 	// Add the current build release which is always treated as being more recent than any other
 	// build release, including those added in tests.
diff --git a/sdk/build_release_test.go b/sdk/build_release_test.go
index 13730cb..5bf57b5 100644
--- a/sdk/build_release_test.go
+++ b/sdk/build_release_test.go
@@ -42,7 +42,7 @@
 		android.AssertDeepEquals(t, "release", (*buildRelease)(nil), release)
 		// Uses a wildcard in the error message to allow for additional build releases to be added to
 		// the supported set without breaking this test.
-		android.FailIfNoMatchingErrors(t, `unknown release "A", expected one of \[S,Tiramisu,F1,F2,current\]`, []error{err})
+		android.FailIfNoMatchingErrors(t, `unknown release "A", expected one of \[S,Tiramisu,UpsideDownCake,F1,F2,current\]`, []error{err})
 	})
 }
 
@@ -60,7 +60,7 @@
 	t.Run("closed range", func(t *testing.T) {
 		set, err := parseBuildReleaseSet("S-F1")
 		android.AssertDeepEquals(t, "errors", nil, err)
-		android.AssertStringEquals(t, "set", "[S,Tiramisu,F1]", set.String())
+		android.AssertStringEquals(t, "set", "[S,Tiramisu,UpsideDownCake,F1]", set.String())
 	})
 	invalidAReleaseMessage := `unknown release "A", expected one of ` + allBuildReleaseSet.String()
 	t.Run("invalid release", func(t *testing.T) {
diff --git a/ui/build/soong.go b/ui/build/soong.go
index 3ef77c7..ac00fe6 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -381,7 +381,9 @@
 	soongBuildEnv.Set("TOP", os.Getenv("TOP"))
 	// For Bazel mixed builds.
 	soongBuildEnv.Set("BAZEL_PATH", "./tools/bazel")
-	soongBuildEnv.Set("BAZEL_HOME", filepath.Join(config.BazelOutDir(), "bazelhome"))
+	// Bazel's HOME var is set to an output subdirectory which doesn't exist. This
+	// prevents Bazel from file I/O in the actual user HOME directory.
+	soongBuildEnv.Set("BAZEL_HOME", absPath(ctx, filepath.Join(config.BazelOutDir(), "bazelhome")))
 	soongBuildEnv.Set("BAZEL_OUTPUT_BASE", filepath.Join(config.BazelOutDir(), "output"))
 	soongBuildEnv.Set("BAZEL_WORKSPACE", absPath(ctx, "."))
 	soongBuildEnv.Set("BAZEL_METRICS_DIR", config.BazelMetricsDir())