diff --git a/android/aconfig_providers.go b/android/aconfig_providers.go
index b10036e..4ba1a88 100644
--- a/android/aconfig_providers.go
+++ b/android/aconfig_providers.go
@@ -68,7 +68,7 @@
 	})
 
 	for container, aconfigFiles := range *mergedAconfigFiles {
-		(*mergedAconfigFiles)[container] = mergeAconfigFiles(ctx, aconfigFiles)
+		(*mergedAconfigFiles)[container] = mergeAconfigFiles(ctx, container, aconfigFiles)
 	}
 
 	SetProvider(ctx, AconfigTransitiveDeclarationsInfoProvider, AconfigTransitiveDeclarationsInfo{
@@ -76,13 +76,13 @@
 	})
 }
 
-func mergeAconfigFiles(ctx ModuleContext, inputs Paths) Paths {
+func mergeAconfigFiles(ctx ModuleContext, container string, inputs Paths) Paths {
 	inputs = LastUniquePaths(inputs)
 	if len(inputs) == 1 {
 		return Paths{inputs[0]}
 	}
 
-	output := PathForModuleOut(ctx, "aconfig_merged.pb")
+	output := PathForModuleOut(ctx, container, "aconfig_merged.pb")
 
 	ctx.Build(pctx, BuildParams{
 		Rule:        mergeAconfigFilesRule,
diff --git a/android/apex_contributions.go b/android/apex_contributions.go
index a309640..236abf6 100644
--- a/android/apex_contributions.go
+++ b/android/apex_contributions.go
@@ -102,7 +102,6 @@
 				ctx.ModuleErrorf("%s listed in apex_contributions %s does not exist\n", content, m.Name())
 			}
 			pi := &PrebuiltSelectionInfo{
-				baseModuleName:     RemoveOptionalPrebuiltPrefix(content),
 				selectedModuleName: content,
 				metadataModuleName: m.Name(),
 				apiDomain:          m.ApiDomain(),
@@ -126,7 +125,8 @@
 // This provider will be used in prebuilt_select mutator to redirect deps
 var PrebuiltSelectionInfoProvider = blueprint.NewMutatorProvider[PrebuiltSelectionInfoMap]("prebuilt_select")
 
-// Map of baseModuleName to the selected source or prebuilt
+// Map of selected module names to a metadata object
+// The metadata contains information about the api_domain of the selected module
 type PrebuiltSelectionInfoMap map[string]PrebuiltSelectionInfo
 
 // Add a new entry to the map with some validations
@@ -134,18 +134,10 @@
 	if p == nil {
 		return
 	}
-	// Do not allow dups. If the base module (without the prebuilt_) has been added before, raise an exception.
-	if old, exists := (*pm)[p.baseModuleName]; exists {
-		ctx.ModuleErrorf("Cannot use Soong module: %s from apex_contributions: %s because it has been added previously as: %s from apex_contributions: %s\n",
-			p.selectedModuleName, p.metadataModuleName, old.selectedModuleName, old.metadataModuleName,
-		)
-	}
-	(*pm)[p.baseModuleName] = *p
+	(*pm)[p.selectedModuleName] = *p
 }
 
 type PrebuiltSelectionInfo struct {
-	// e.g. libc
-	baseModuleName string
 	// e.g. (libc|prebuilt_libc)
 	selectedModuleName string
 	// Name of the apex_contributions module
@@ -156,12 +148,9 @@
 
 // Returns true if `name` is explicitly requested using one of the selected
 // apex_contributions metadata modules.
-func (p *PrebuiltSelectionInfoMap) IsSelected(baseModuleName, name string) bool {
-	if i, exists := (*p)[baseModuleName]; exists {
-		return i.selectedModuleName == name
-	} else {
-		return false
-	}
+func (p *PrebuiltSelectionInfoMap) IsSelected(name string) bool {
+	_, exists := (*p)[name]
+	return exists
 }
 
 // Return the list of soong modules selected for this api domain
diff --git a/android/config.go b/android/config.go
index 1ea0d94..eb1e647 100644
--- a/android/config.go
+++ b/android/config.go
@@ -214,6 +214,10 @@
 	return c.config.productVariables.GetBuildFlagBool("RELEASE_NDK_ABI_MONITORED")
 }
 
+func (c Config) ReleaseHiddenApiExportableStubs() bool {
+	return c.config.productVariables.GetBuildFlagBool("RELEASE_HIDDEN_API_EXPORTABLE_STUBS")
+}
+
 // A DeviceConfig object represents the configuration for a particular device
 // being built. For now there will only be one of these, but in the future there
 // may be multiple devices being built.
@@ -1961,18 +1965,6 @@
 	return Bool(c.config.productVariables.CheckVendorSeappViolations)
 }
 
-func (c *deviceConfig) NextReleaseHideFlaggedApi() bool {
-	return Bool(c.config.productVariables.NextReleaseHideFlaggedApi)
-}
-
-func (c *deviceConfig) ReleaseExposeFlaggedApi() bool {
-	return Bool(c.config.productVariables.Release_expose_flagged_api)
-}
-
-func (c *deviceConfig) HideFlaggedApis() bool {
-	return c.NextReleaseHideFlaggedApi() && !c.ReleaseExposeFlaggedApi()
-}
-
 func (c *config) GetBuildFlag(name string) (string, bool) {
 	val, ok := c.productVariables.BuildFlags[name]
 	return val, ok
diff --git a/android/prebuilt.go b/android/prebuilt.go
index 6a417a8..a94f5b7 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -277,6 +277,9 @@
 		}
 		value := srcPropsValue.FieldByIndex(srcFieldIndex)
 		if value.Kind() == reflect.Ptr {
+			if value.IsNil() {
+				return nil
+			}
 			value = value.Elem()
 		}
 		if value.Kind() != reflect.String {
@@ -391,12 +394,19 @@
 	ctx.BottomUp("prebuilt_postdeps", PrebuiltPostDepsMutator).Parallel()
 }
 
+// Returns the name of the source module corresponding to a prebuilt module
+// For source modules, it returns its own name
+type baseModuleName interface {
+	BaseModuleName() string
+}
+
 // PrebuiltRenameMutator ensures that there always is a module with an
 // undecorated name.
 func PrebuiltRenameMutator(ctx BottomUpMutatorContext) {
 	m := ctx.Module()
 	if p := GetEmbeddedPrebuilt(m); p != nil {
-		name := m.base().BaseModuleName()
+		bmn, _ := m.(baseModuleName)
+		name := bmn.BaseModuleName()
 		if !ctx.OtherModuleExists(name) {
 			ctx.Rename(name)
 			p.properties.PrebuiltRenamedToSource = true
@@ -413,7 +423,8 @@
 	// If this module is a prebuilt, is enabled and has not been renamed to source then add a
 	// dependency onto the source if it is present.
 	if p := GetEmbeddedPrebuilt(m); p != nil && m.Enabled() && !p.properties.PrebuiltRenamedToSource {
-		name := m.base().BaseModuleName()
+		bmn, _ := m.(baseModuleName)
+		name := bmn.BaseModuleName()
 		if ctx.OtherModuleReverseDependencyVariantExists(name) {
 			ctx.AddReverseDependency(ctx.Module(), PrebuiltDepTag, name)
 			p.properties.SourceExists = true
@@ -466,6 +477,13 @@
 		})
 
 	} else if s, ok := ctx.Module().(Module); ok {
+		// Use `all_apex_contributions` for source vs prebuilt selection.
+		psi := PrebuiltSelectionInfoMap{}
+		ctx.VisitDirectDepsWithTag(PrebuiltDepTag, func(am Module) {
+			// The value of psi gets overwritten with the provider from the last visited prebuilt.
+			// But all prebuilts have the same value of the provider, so this should be idempontent.
+			psi, _ = OtherModuleProvider(ctx, am, PrebuiltSelectionInfoProvider)
+		})
 		ctx.VisitDirectDepsWithTag(PrebuiltDepTag, func(prebuiltModule Module) {
 			p := GetEmbeddedPrebuilt(prebuiltModule)
 			if p.usePrebuilt(ctx, s, prebuiltModule) {
@@ -475,7 +493,18 @@
 				s.ReplacedByPrebuilt()
 			}
 		})
+
+		// If any module in this mainline module family has been flagged using apex_contributions, disable every other module in that family
+		// Add source
+		allModules := []Module{s}
+		// Add each prebuilt
+		ctx.VisitDirectDepsWithTag(PrebuiltDepTag, func(prebuiltModule Module) {
+			allModules = append(allModules, prebuiltModule)
+		})
+		hideUnflaggedModules(ctx, psi, allModules)
+
 	}
+
 	// If this is `all_apex_contributions`, set a provider containing
 	// metadata about source vs prebuilts selection
 	if am, ok := m.(*allApexContributions); ok {
@@ -483,13 +512,41 @@
 	}
 }
 
+// If any module in this mainline module family has been flagged using apex_contributions, disable every other module in that family
+func hideUnflaggedModules(ctx BottomUpMutatorContext, psi PrebuiltSelectionInfoMap, allModulesInFamily []Module) {
+	var selectedModuleInFamily Module
+	// query all_apex_contributions to see if any module in this family has been selected
+	for _, moduleInFamily := range allModulesInFamily {
+		// validate that are no duplicates
+		if psi.IsSelected(moduleInFamily.Name()) {
+			if selectedModuleInFamily == nil {
+				// Store this so we can validate that there are no duplicates
+				selectedModuleInFamily = moduleInFamily
+			} else {
+				// There are duplicate modules from the same mainline module family
+				ctx.ModuleErrorf("Found duplicate variations of the same module in apex_contributions: %s and %s. Please remove one of these.\n", selectedModuleInFamily.Name(), moduleInFamily.Name())
+			}
+		}
+	}
+
+	// If a module has been selected, hide all other modules
+	if selectedModuleInFamily != nil {
+		for _, moduleInFamily := range allModulesInFamily {
+			if moduleInFamily.Name() != selectedModuleInFamily.Name() {
+				moduleInFamily.HideFromMake()
+			}
+		}
+	}
+}
+
 // PrebuiltPostDepsMutator replaces dependencies on the source module with dependencies on the
 // prebuilt when both modules exist and the prebuilt should be used.  When the prebuilt should not
 // be used, disable installing it.
 func PrebuiltPostDepsMutator(ctx BottomUpMutatorContext) {
 	m := ctx.Module()
 	if p := GetEmbeddedPrebuilt(m); p != nil {
-		name := m.base().BaseModuleName()
+		bmn, _ := m.(baseModuleName)
+		name := bmn.BaseModuleName()
 		if p.properties.UsePrebuilt {
 			if p.properties.SourceExists {
 				ctx.ReplaceDependenciesIf(name, func(from blueprint.Module, tag blueprint.DependencyTag, to blueprint.Module) bool {
@@ -533,13 +590,13 @@
 
 		// Stub library created by java_sdk_library_import
 		if p := GetEmbeddedPrebuilt(m); p != nil {
-			return psi.IsSelected(sln, PrebuiltNameFromSource(sln))
+			return psi.IsSelected(PrebuiltNameFromSource(sln))
 		}
 
 		// Stub library created by java_sdk_library
-		return psi.IsSelected(sln, sln)
+		return psi.IsSelected(sln)
 	}
-	return psi.IsSelected(m.base().BaseModuleName(), m.Name())
+	return psi.IsSelected(m.Name())
 }
 
 // usePrebuilt returns true if a prebuilt should be used instead of the source module.  The prebuilt
diff --git a/android/prebuilt_test.go b/android/prebuilt_test.go
index 953258e..4a69628 100644
--- a/android/prebuilt_test.go
+++ b/android/prebuilt_test.go
@@ -741,7 +741,7 @@
 			}
 		}),
 	)
-	testPrebuiltErrorWithFixture(t, `Cannot use Soong module: prebuilt_foo from apex_contributions: my_apex_contributions because it has been added previously as: foo from apex_contributions: my_apex_contributions`, `
+	testPrebuiltErrorWithFixture(t, `Found duplicate variations of the same module in apex_contributions: foo and prebuilt_foo. Please remove one of these`, `
 		source {
 			name: "foo",
 		}
diff --git a/android/sdk_version.go b/android/sdk_version.go
index 73568af..9355667 100644
--- a/android/sdk_version.go
+++ b/android/sdk_version.go
@@ -109,6 +109,17 @@
 	}
 }
 
+func (k SdkKind) DefaultExportableJavaLibraryName() string {
+	switch k {
+	case SdkPublic, SdkSystem, SdkTest, SdkModule, SdkSystemServer:
+		return k.DefaultJavaLibraryName() + "_exportable"
+	case SdkCore:
+		return k.DefaultJavaLibraryName() + ".exportable"
+	default:
+		panic(fmt.Errorf("API surface %v does not provide exportable stubs", k))
+	}
+}
+
 // SdkSpec represents the kind and the version of an SDK for a module to build against
 type SdkSpec struct {
 	Kind     SdkKind
diff --git a/android/soong_config_modules.go b/android/soong_config_modules.go
index ec0edfd..90b49eb 100644
--- a/android/soong_config_modules.go
+++ b/android/soong_config_modules.go
@@ -41,6 +41,7 @@
 	ctx.RegisterModuleType("soong_config_module_type", SoongConfigModuleTypeFactory)
 	ctx.RegisterModuleType("soong_config_string_variable", SoongConfigStringVariableDummyFactory)
 	ctx.RegisterModuleType("soong_config_bool_variable", SoongConfigBoolVariableDummyFactory)
+	ctx.RegisterModuleType("soong_config_value_variable", SoongConfigValueVariableDummyFactory)
 }
 
 var PrepareForTestWithSoongConfigModuleBuildComponents = FixtureRegisterWithContext(RegisterSoongConfigModuleBuildComponents)
@@ -303,6 +304,11 @@
 	properties soongconfig.VariableProperties
 }
 
+type soongConfigValueVariableDummyModule struct {
+	ModuleBase
+	properties soongconfig.VariableProperties
+}
+
 // soong_config_string_variable defines a variable and a set of possible string values for use
 // in a soong_config_module_type definition.
 func SoongConfigStringVariableDummyFactory() Module {
@@ -321,6 +327,15 @@
 	return module
 }
 
+// soong_config_value_variable defines a variable whose value can be expanded into
+// the value of a string property.
+func SoongConfigValueVariableDummyFactory() Module {
+	module := &soongConfigValueVariableDummyModule{}
+	module.AddProperties(&module.properties)
+	initAndroidModuleBase(module)
+	return module
+}
+
 func (m *soongConfigStringVariableDummyModule) Name() string {
 	return m.properties.Name + fmt.Sprintf("%p", m)
 }
@@ -333,6 +348,12 @@
 func (*soongConfigBoolVariableDummyModule) Namespaceless()                                {}
 func (*soongConfigBoolVariableDummyModule) GenerateAndroidBuildActions(ctx ModuleContext) {}
 
+func (m *soongConfigValueVariableDummyModule) Name() string {
+	return m.properties.Name + fmt.Sprintf("%p", m)
+}
+func (*soongConfigValueVariableDummyModule) Namespaceless()                                {}
+func (*soongConfigValueVariableDummyModule) GenerateAndroidBuildActions(ctx ModuleContext) {}
+
 // importModuleTypes registers the module factories for a list of module types defined
 // in an Android.bp file. These module factories are scoped for the current Android.bp
 // file only.
diff --git a/android/soongconfig/modules.go b/android/soongconfig/modules.go
index f6b4938..d525bdc 100644
--- a/android/soongconfig/modules.go
+++ b/android/soongconfig/modules.go
@@ -16,12 +16,13 @@
 
 import (
 	"fmt"
-	"github.com/google/blueprint/parser"
-	"github.com/google/blueprint/proptools"
 	"io"
 	"reflect"
 	"sort"
 	"strings"
+
+	"github.com/google/blueprint/parser"
+	"github.com/google/blueprint/proptools"
 )
 
 const conditionsDefault = "conditions_default"
@@ -688,6 +689,7 @@
 				continue
 			}
 			field = field.Elem()
+			kind = field.Kind()
 		}
 		switch kind {
 		case reflect.String:
diff --git a/android/soongconfig/modules_test.go b/android/soongconfig/modules_test.go
index 00e8b78..db2c83c 100644
--- a/android/soongconfig/modules_test.go
+++ b/android/soongconfig/modules_test.go
@@ -299,7 +299,7 @@
 	Conditions_default *properties
 }
 
-type soongConfigVars struct {
+type boolSoongConfigVars struct {
 	Bool_var interface{}
 }
 
@@ -307,7 +307,11 @@
 	String_var interface{}
 }
 
-func Test_PropertiesToApply(t *testing.T) {
+type valueSoongConfigVars struct {
+	My_value_var interface{}
+}
+
+func Test_PropertiesToApply_Bool(t *testing.T) {
 	mt, _ := newModuleType(&ModuleTypeProperties{
 		Module_type:      "foo",
 		Config_namespace: "bar",
@@ -323,9 +327,9 @@
 		B: false,
 	}
 	actualProps := &struct {
-		Soong_config_variables soongConfigVars
+		Soong_config_variables boolSoongConfigVars
 	}{
-		Soong_config_variables: soongConfigVars{
+		Soong_config_variables: boolSoongConfigVars{
 			Bool_var: &boolVarProps{
 				A:                  boolVarPositive.A,
 				B:                  boolVarPositive.B,
@@ -369,6 +373,62 @@
 	}
 }
 
+func Test_PropertiesToApply_Value(t *testing.T) {
+	mt, _ := newModuleType(&ModuleTypeProperties{
+		Module_type:      "foo",
+		Config_namespace: "bar",
+		Value_variables:  []string{"my_value_var"},
+		Properties:       []string{"a", "b"},
+	})
+	conditionsDefault := &properties{
+		A: proptools.StringPtr("default"),
+		B: false,
+	}
+	actualProps := &struct {
+		Soong_config_variables valueSoongConfigVars
+	}{
+		Soong_config_variables: valueSoongConfigVars{
+			My_value_var: &boolVarProps{
+				A:                  proptools.StringPtr("A=%s"),
+				B:                  true,
+				Conditions_default: conditionsDefault,
+			},
+		},
+	}
+	props := reflect.ValueOf(actualProps)
+
+	testCases := []struct {
+		name      string
+		config    SoongConfig
+		wantProps []interface{}
+	}{
+		{
+			name:      "no_vendor_config",
+			config:    Config(map[string]string{}),
+			wantProps: []interface{}{conditionsDefault},
+		},
+		{
+			name:   "value_var_set",
+			config: Config(map[string]string{"my_value_var": "Hello"}),
+			wantProps: []interface{}{&properties{
+				A: proptools.StringPtr("A=Hello"),
+				B: true,
+			}},
+		},
+	}
+
+	for _, tc := range testCases {
+		gotProps, err := PropertiesToApply(mt, props, tc.config)
+		if err != nil {
+			t.Errorf("%s: Unexpected error in PropertiesToApply: %s", tc.name, err)
+		}
+
+		if !reflect.DeepEqual(gotProps, tc.wantProps) {
+			t.Errorf("%s: Expected %s, got %s", tc.name, tc.wantProps, gotProps)
+		}
+	}
+}
+
 func Test_PropertiesToApply_String_Error(t *testing.T) {
 	mt, _ := newModuleType(&ModuleTypeProperties{
 		Module_type:      "foo",
diff --git a/android/variable.go b/android/variable.go
index 9844080..a4917c5 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -73,6 +73,7 @@
 			Cflags              []string `android:"arch_variant"`
 			Shared_libs         []string `android:"arch_variant"`
 			Whole_static_libs   []string `android:"arch_variant"`
+			Static_libs         []string `android:"arch_variant"`
 			Exclude_static_libs []string `android:"arch_variant"`
 			Srcs                []string `android:"arch_variant"`
 			Header_libs         []string `android:"arch_variant"`
@@ -491,10 +492,6 @@
 	// partition images. They should not be read from soong modules.
 	PartitionVarsForBazelMigrationOnlyDoNotUse PartitionVariables `json:",omitempty"`
 
-	NextReleaseHideFlaggedApi *bool `json:",omitempty"`
-
-	Release_expose_flagged_api *bool `json:",omitempty"`
-
 	BuildFlags map[string]string `json:",omitempty"`
 
 	BuildFromSourceStub *bool `json:",omitempty"`
diff --git a/androidmk/androidmk/android.go b/androidmk/androidmk/android.go
index 6564911..e7c3a01 100644
--- a/androidmk/androidmk/android.go
+++ b/androidmk/androidmk/android.go
@@ -64,6 +64,7 @@
 	"LOCAL_SANITIZE_DIAG":                  sanitize("diag."),
 	"LOCAL_STRIP_MODULE":                   strip(),
 	"LOCAL_CFLAGS":                         cflags,
+	"LOCAL_PROTO_JAVA_OUTPUT_PARAMS":       protoOutputParams,
 	"LOCAL_UNINSTALLABLE_MODULE":           invert("installable"),
 	"LOCAL_PROGUARD_ENABLED":               proguardEnabled,
 	"LOCAL_MODULE_PATH":                    prebuiltModulePath,
@@ -760,6 +761,13 @@
 	return includeVariableNow(bpVariable{"cflags", bpparser.ListType}, ctx)
 }
 
+func protoOutputParams(ctx variableAssignmentContext) error {
+	// The Soong replacement for LOCAL_PROTO_JAVA_OUTPUT_PARAMS doesn't need ","
+	ctx.mkvalue = ctx.mkvalue.Clone()
+	ctx.mkvalue.ReplaceLiteral(`, `, ` `)
+	return includeVariableNow(bpVariable{"proto.output_params", bpparser.ListType}, ctx)
+}
+
 func proguardEnabled(ctx variableAssignmentContext) error {
 	val, err := makeVariableToBlueprint(ctx.file, ctx.mkvalue, bpparser.ListType)
 	if err != nil {
diff --git a/androidmk/androidmk/androidmk_test.go b/androidmk/androidmk/androidmk_test.go
index 76833ea..636a445 100644
--- a/androidmk/androidmk/androidmk_test.go
+++ b/androidmk/androidmk/androidmk_test.go
@@ -1727,6 +1727,26 @@
 }
 `,
 	},
+	{
+		desc: "LOCAL_PROTO_JAVA_OUTPUT_PARAMS",
+		in: `
+include $(CLEAR_VARS)
+LOCAL_MODULE := foo
+LOCAL_PROTO_JAVA_OUTPUT_PARAMS := enum_style=java, parcelable_messages=true
+include $(BUILD_PACKAGE)
+		`,
+		expected: `
+android_app {
+	name: "foo",
+	proto: {
+        output_params: [
+            "enum_style=java",
+            "parcelable_messages=true",
+        ],
+    },
+}
+`,
+	},
 }
 
 func TestEndToEnd(t *testing.T) {
diff --git a/apex/apex.go b/apex/apex.go
index b37c495..586990e 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -2878,22 +2878,7 @@
 	// Module separator
 	//
 	m["com.android.runtime"] = []string{
-		"libdebuggerd",
-		"libdebuggerd_common_headers",
-		"libdebuggerd_handler_core",
-		"libdl_static",
-		"libjemalloc5",
-		"liblinker_main",
-		"liblinker_malloc",
-		"liblzma",
-		"libprocinfo",
-		"libpropertyinfoparser",
-		"libscudo",
-		"libsystemproperties",
-		"libtombstoned_client_static",
-		"libunwindstack",
 		"libz",
-		"libziparchive",
 	}
 	return m
 }
diff --git a/apex/apex_test.go b/apex/apex_test.go
index a943e4e..7081f57 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -5374,7 +5374,7 @@
 		dexJarBuildPath := p.DexJarBuildPath(moduleErrorfTestCtx{}).PathOrNil()
 		stem := android.RemoveOptionalPrebuiltPrefix(name)
 		android.AssertStringEquals(t, "DexJarBuildPath should be apex-related path.",
-			".intermediates/myapex.deapexer/android_common/deapexer/javalib/"+stem+".jar",
+			".intermediates/prebuilt_myapex.deapexer/android_common/deapexer/javalib/"+stem+".jar",
 			android.NormalizePathForTesting(dexJarBuildPath))
 	}
 
@@ -5428,8 +5428,8 @@
 		// Make sure that dexpreopt can access dex implementation files from the prebuilt.
 		ctx := testDexpreoptWithApexes(t, bp, "", transform)
 
-		deapexerName := deapexerModuleName("myapex")
-		android.AssertStringEquals(t, "APEX module name from deapexer name", "myapex", apexModuleName(deapexerName))
+		deapexerName := deapexerModuleName("prebuilt_myapex")
+		android.AssertStringEquals(t, "APEX module name from deapexer name", "prebuilt_myapex", apexModuleName(deapexerName))
 
 		// Make sure that the deapexer has the correct input APEX.
 		deapexer := ctx.ModuleForTests(deapexerName, "android_common")
@@ -5652,8 +5652,8 @@
 	`
 
 		ctx := testDexpreoptWithApexes(t, bp, "", preparer, fragment)
-		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")
-		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
+		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/prebuilt_myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")
+		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/prebuilt_myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
 		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
@@ -5730,8 +5730,8 @@
 	`
 
 		ctx := testDexpreoptWithApexes(t, bp, "", preparer, fragment)
-		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")
-		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
+		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/prebuilt_myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")
+		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/prebuilt_myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
 		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
@@ -5744,7 +5744,7 @@
 		myApex := ctx.ModuleForTests("myapex", "android_common_myapex").Module()
 
 		overrideNames := []string{
-			"",
+			"myapex",
 			"myjavalib.myapex",
 			"libfoo.myapex",
 			"libbar.myapex",
@@ -5919,8 +5919,8 @@
 	`
 
 		ctx := testDexpreoptWithApexes(t, bp, "", preparer, fragment)
-		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")
-		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
+		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/prebuilt_myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")
+		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/prebuilt_myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
 		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
@@ -6116,8 +6116,8 @@
 	`
 
 		ctx := testDexpreoptWithApexes(t, bp, "", preparer, fragment)
-		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")
-		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
+		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/prebuilt_myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")
+		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/prebuilt_myapex.deapexer/android_common/deapexer/javalib/libbar.jar")
 
 		// Verify the correct module jars contribute to the hiddenapi index file.
 		checkHiddenAPIIndexFromClassesInputs(t, ctx, ``)
@@ -8320,9 +8320,9 @@
 	ctx := testApex(t, bp, prepareForTestWithSantitizeHwaddress)
 
 	// Check that the extractor produces the correct output file from the correct input file.
-	extractorOutput := "out/soong/.intermediates/myapex.apex.extractor/android_common/extracted/myapex.hwasan.apks"
+	extractorOutput := "out/soong/.intermediates/prebuilt_myapex.apex.extractor/android_common/extracted/myapex.hwasan.apks"
 
-	m := ctx.ModuleForTests("myapex.apex.extractor", "android_common")
+	m := ctx.ModuleForTests("prebuilt_myapex.apex.extractor", "android_common")
 	extractedApex := m.Output(extractorOutput)
 
 	android.AssertArrayString(t, "extractor input", []string{"myapex.hwasan.apks"}, extractedApex.Inputs.Strings())
@@ -8347,10 +8347,10 @@
 		}
 	`)
 
-	m := ctx.ModuleForTests("myapex.apex.extractor", "android_common")
+	m := ctx.ModuleForTests("prebuilt_myapex.apex.extractor", "android_common")
 
 	// Check that the extractor produces the correct apks file from the input module
-	extractorOutput := "out/soong/.intermediates/myapex.apex.extractor/android_common/extracted/myapex.apks"
+	extractorOutput := "out/soong/.intermediates/prebuilt_myapex.apex.extractor/android_common/extracted/myapex.apks"
 	extractedApex := m.Output(extractorOutput)
 
 	android.AssertArrayString(t, "extractor input", []string{"myapex.apks"}, extractedApex.Inputs.Strings())
@@ -8420,7 +8420,7 @@
 		PrepareForTestWithApexBuildComponents,
 	).
 		ExtendWithErrorHandler(android.FixtureExpectsAtLeastOneErrorMatchingPattern(
-			"Multiple installable prebuilt APEXes provide ambiguous deapexers: com.android.art and com.mycompany.android.art"))
+			"Multiple installable prebuilt APEXes provide ambiguous deapexers: prebuilt_com.android.art and prebuilt_com.mycompany.android.art"))
 
 	bpBase := `
 		apex_set {
@@ -8548,7 +8548,7 @@
 		module := result.Module("libfoo", "android_common_com.android.myapex")
 		usesLibraryDep := module.(java.UsesLibraryDependency)
 		android.AssertPathRelativeToTopEquals(t, "dex jar path",
-			"out/soong/.intermediates/com.android.myapex.deapexer/android_common/deapexer/javalib/libfoo.jar",
+			"out/soong/.intermediates/prebuilt_com.android.myapex.deapexer/android_common/deapexer/javalib/libfoo.jar",
 			usesLibraryDep.DexJarBuildPath(errCtx).Path())
 	})
 
@@ -8571,7 +8571,7 @@
 		module := result.Module("libfoo", "android_common_com.android.myapex")
 		usesLibraryDep := module.(java.UsesLibraryDependency)
 		android.AssertPathRelativeToTopEquals(t, "dex jar path",
-			"out/soong/.intermediates/com.android.myapex.deapexer/android_common/deapexer/javalib/libfoo.jar",
+			"out/soong/.intermediates/prebuilt_com.android.myapex.deapexer/android_common/deapexer/javalib/libfoo.jar",
 			usesLibraryDep.DexJarBuildPath(errCtx).Path())
 	})
 
@@ -9144,7 +9144,7 @@
 		}),
 	)
 
-	m := ctx.ModuleForTests("myapex.apex.extractor", "android_common")
+	m := ctx.ModuleForTests("prebuilt_myapex.apex.extractor", "android_common")
 
 	// Check extract_apks tool parameters.
 	extractedApex := m.Output("extracted/myapex.apks")
@@ -9185,7 +9185,7 @@
 		}),
 	)
 
-	m := ctx.ModuleForTests("myapex.apex.extractor", "android_common")
+	m := ctx.ModuleForTests("prebuilt_myapex.apex.extractor", "android_common")
 
 	// Check extract_apks tool parameters. No native bridge arch expected
 	extractedApex := m.Output("extracted/myapex.apks")
@@ -11106,7 +11106,7 @@
 		t.Fatalf("Expected 3 commands, got %d in:\n%s", len(aconfigArgs), s)
 	}
 	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_foo/intermediate.pb")
-	android.EnsureListContainsSuffix(t, aconfigArgs, "my_cc_library_bar/android_arm64_armv8-a_shared_apex10000/aconfig_merged.pb")
+	android.EnsureListContainsSuffix(t, aconfigArgs, "my_cc_library_bar/android_arm64_armv8-a_shared_apex10000/myapex/aconfig_merged.pb")
 	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_baz/intermediate.pb")
 
 	buildParams := combineAconfigRule.BuildParams
@@ -11114,7 +11114,7 @@
 		t.Fatalf("Expected 3 input, got %d", len(buildParams.Inputs))
 	}
 	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_foo/intermediate.pb")
-	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_cc_library_bar/android_arm64_armv8-a_shared_apex10000/aconfig_merged.pb")
+	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_cc_library_bar/android_arm64_armv8-a_shared_apex10000/myapex/aconfig_merged.pb")
 	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_baz/intermediate.pb")
 	ensureContains(t, buildParams.Output.String(), "android_common_myapex/aconfig_flags.pb")
 }
@@ -11253,14 +11253,14 @@
 		t.Fatalf("Expected 2 commands, got %d in:\n%s", len(aconfigArgs), s)
 	}
 	android.EnsureListContainsSuffix(t, aconfigArgs, "my_aconfig_declarations_foo/intermediate.pb")
-	android.EnsureListContainsSuffix(t, aconfigArgs, "my_rust_binary/android_arm64_armv8-a_apex10000/aconfig_merged.pb")
+	android.EnsureListContainsSuffix(t, aconfigArgs, "my_rust_binary/android_arm64_armv8-a_apex10000/myapex/aconfig_merged.pb")
 
 	buildParams := combineAconfigRule.BuildParams
 	if len(buildParams.Inputs) != 2 {
 		t.Fatalf("Expected 3 input, got %d", len(buildParams.Inputs))
 	}
 	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_aconfig_declarations_foo/intermediate.pb")
-	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_rust_binary/android_arm64_armv8-a_apex10000/aconfig_merged.pb")
+	android.EnsureListContainsSuffix(t, buildParams.Inputs.Strings(), "my_rust_binary/android_arm64_armv8-a_apex10000/myapex/aconfig_merged.pb")
 	ensureContains(t, buildParams.Output.String(), "android_common_myapex/aconfig_flags.pb")
 }
 
@@ -11570,12 +11570,12 @@
 		{
 			desc:                      "Prebuilt apex prebuilt_com.android.foo is selected, profile should come from .prof deapexed from the prebuilt",
 			selectedApexContributions: "foo.prebuilt.contributions",
-			expectedBootJar:           "out/soong/.intermediates/com.android.foo.deapexer/android_common/deapexer/javalib/framework-foo.jar",
+			expectedBootJar:           "out/soong/.intermediates/prebuilt_com.android.foo.deapexer/android_common/deapexer/javalib/framework-foo.jar",
 		},
 		{
 			desc:                      "Prebuilt apex prebuilt_com.android.foo.v2 is selected, profile should come from .prof deapexed from the prebuilt",
 			selectedApexContributions: "foo.prebuilt.v2.contributions",
-			expectedBootJar:           "out/soong/.intermediates/com.android.foo.v2.deapexer/android_common/deapexer/javalib/framework-foo.jar",
+			expectedBootJar:           "out/soong/.intermediates/prebuilt_com.android.foo.v2.deapexer/android_common/deapexer/javalib/framework-foo.jar",
 		},
 	}
 
@@ -11602,3 +11602,165 @@
 		checkBootJarsForMonolithicHiddenapi(t, ctx, tc.expectedBootJar)
 	}
 }
+
+// Test that product packaging installs the selected mainline module (either source or a specific prebuilt)
+// RELEASE_APEX_CONTIRBUTIONS_* build flags will be used to select the correct prebuilt for a specific release config
+func TestInstallationRulesForMultipleApexPrebuilts(t *testing.T) {
+	// check that the LOCAL_MODULE in the generated mk file matches the name used in PRODUCT_PACKAGES
+	// Since the name used in PRODUCT_PACKAGES does not contain prebuilt_ prefix, LOCAL_MODULE should not contain any prefix either
+	checkLocalModuleName := func(t *testing.T, ctx *android.TestContext, soongApexModuleName string, expectedLocalModuleName string) {
+		// Variations are created based on apex_name
+		entries := android.AndroidMkEntriesForTest(t, ctx, ctx.ModuleForTests(soongApexModuleName, "android_common_com.android.foo").Module())
+		android.AssertStringEquals(t, "LOCAL_MODULE of the prebuilt apex must match the name listed in PRODUCT_PACKAGES", expectedLocalModuleName, entries[0].EntryMap["LOCAL_MODULE"][0])
+	}
+	// for a mainline module family, check that only the flagged soong module is visible to make
+	checkHideFromMake := func(t *testing.T, ctx *android.TestContext, visibleModuleName string, hiddenModuleNames []string) {
+		variation := func(moduleName string) string {
+			ret := "android_common_com.android.foo"
+			if moduleName == "com.google.android.foo" {
+				ret = "android_common_com.google.android.foo_com.android.foo"
+			}
+			return ret
+		}
+
+		visibleModule := ctx.ModuleForTests(visibleModuleName, variation(visibleModuleName)).Module()
+		android.AssertBoolEquals(t, "Apex "+visibleModuleName+" selected using apex_contributions should be visible to make", false, visibleModule.IsHideFromMake())
+
+		for _, hiddenModuleName := range hiddenModuleNames {
+			hiddenModule := ctx.ModuleForTests(hiddenModuleName, variation(hiddenModuleName)).Module()
+			android.AssertBoolEquals(t, "Apex "+hiddenModuleName+" not selected using apex_contributions should be hidden from make", true, hiddenModule.IsHideFromMake())
+
+		}
+	}
+
+	bp := `
+		apex_key {
+			name: "com.android.foo.key",
+			public_key: "com.android.foo.avbpubkey",
+			private_key: "com.android.foo.pem",
+		}
+
+		// AOSP source apex
+		apex {
+			name: "com.android.foo",
+			key: "com.android.foo.key",
+			updatable: false,
+		}
+
+		// Google source apex
+		override_apex {
+			name: "com.google.android.foo",
+			base: "com.android.foo",
+			key: "com.android.foo.key",
+		}
+
+		// Prebuilt Google APEX.
+
+		prebuilt_apex {
+			name: "com.google.android.foo",
+			apex_name: "com.android.foo",
+			src: "com.android.foo-arm.apex",
+			prefer: true, // prefer is set to true on both the prebuilts to induce an error if flagging is not present
+		}
+
+		// Another Prebuilt Google APEX
+		prebuilt_apex {
+			name: "com.google.android.foo.v2",
+			apex_name: "com.android.foo",
+			source_apex_name: "com.google.android.foo", // source_apex_name becomes LOCAL_MODULE in the generated mk file
+			src: "com.android.foo-arm.apex",
+			prefer: true, // prefer is set to true on both the prebuilts to induce an error if flagging is not present
+		}
+
+		// APEX contribution modules
+
+		apex_contributions {
+			name: "foo.source.contributions",
+			api_domain: "com.android.foo",
+			contents: ["com.google.android.foo"],
+		}
+
+		apex_contributions {
+			name: "foo.prebuilt.contributions",
+			api_domain: "com.android.foo",
+			contents: ["prebuilt_com.google.android.foo"],
+		}
+
+		apex_contributions {
+			name: "foo.prebuilt.v2.contributions",
+			api_domain: "com.android.foo",
+			contents: ["prebuilt_com.google.android.foo.v2"],
+		}
+
+		// This is an incompatible module because it selects multiple versions of the same mainline module
+		apex_contributions {
+			name: "foo.prebuilt.duplicate.contributions",
+			api_domain: "com.android.foo",
+			contents: [
+			    "prebuilt_com.google.android.foo",
+			    "prebuilt_com.google.android.foo.v2",
+			],
+		}
+	`
+
+	testCases := []struct {
+		desc                      string
+		selectedApexContributions string
+		expectedVisibleModuleName string
+		expectedHiddenModuleNames []string
+		expectedError             string
+	}{
+		{
+			desc:                      "Source apex is selected, prebuilts should be hidden from make",
+			selectedApexContributions: "foo.source.contributions",
+			expectedVisibleModuleName: "com.google.android.foo",
+			expectedHiddenModuleNames: []string{"prebuilt_com.google.android.foo", "prebuilt_com.google.android.foo.v2"},
+		},
+		{
+			desc:                      "Prebuilt apex prebuilt_com.android.foo is selected, source and the other prebuilt should be hidden from make",
+			selectedApexContributions: "foo.prebuilt.contributions",
+			expectedVisibleModuleName: "prebuilt_com.google.android.foo",
+			expectedHiddenModuleNames: []string{"com.google.android.foo", "prebuilt_com.google.android.foo.v2"},
+		},
+		{
+			desc:                      "Prebuilt apex prebuilt_com.android.fooi.v2 is selected, source and the other prebuilt should be hidden from make",
+			selectedApexContributions: "foo.prebuilt.v2.contributions",
+			expectedVisibleModuleName: "prebuilt_com.google.android.foo.v2",
+			expectedHiddenModuleNames: []string{"com.google.android.foo", "prebuilt_com.google.android.foo"},
+		},
+		{
+			desc:                      "Multiple versions of a prebuilt apex is selected in the same release config",
+			selectedApexContributions: "foo.prebuilt.duplicate.contributions",
+			expectedError:             "Found duplicate variations of the same module in apex_contributions: prebuilt_com.google.android.foo and prebuilt_com.google.android.foo.v2",
+		},
+	}
+
+	for _, tc := range testCases {
+		preparer := android.GroupFixturePreparers(
+			android.FixtureMergeMockFs(map[string][]byte{
+				"system/sepolicy/apex/com.android.foo-file_contexts": nil,
+			}),
+			android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+				variables.BuildFlags = map[string]string{
+					"RELEASE_APEX_CONTRIBUTIONS_ADSERVICES": tc.selectedApexContributions,
+				}
+			}),
+		)
+		if tc.expectedError != "" {
+			preparer = preparer.ExtendWithErrorHandler(android.FixtureExpectsOneErrorPattern(tc.expectedError))
+			testApex(t, bp, preparer)
+			return
+		}
+		ctx := testApex(t, bp, preparer)
+
+		// Check that the LOCAL_MODULE of the two prebuilts is com.android.foo
+		// This ensures that product packaging can pick them for installation if it has been flagged by apex_contributions
+		checkLocalModuleName(t, ctx, "prebuilt_com.google.android.foo", "com.google.android.foo")
+		checkLocalModuleName(t, ctx, "prebuilt_com.google.android.foo.v2", "com.google.android.foo")
+
+		// Check that
+		// 1. The contents of the selected apex_contributions are visible to make
+		// 2. The rest of the apexes in the mainline module family (source or other prebuilt) is hidden from make
+		checkHideFromMake(t, ctx, tc.expectedVisibleModuleName, tc.expectedHiddenModuleNames)
+	}
+}
diff --git a/apex/bootclasspath_fragment_test.go b/apex/bootclasspath_fragment_test.go
index 2600169..f1e71b0 100644
--- a/apex/bootclasspath_fragment_test.go
+++ b/apex/bootclasspath_fragment_test.go
@@ -53,7 +53,11 @@
 		java.FixtureConfigureBootJars("com.android.art:baz", "com.android.art:quuz"),
 		java.FixtureConfigureApexBootJars("someapex:foo", "someapex:bar"),
 		prepareForTestWithArtApex,
-
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
 		java.PrepareForTestWithJavaSdkLibraryFiles,
 		java.FixtureWithLastReleaseApis("foo", "baz"),
 	).RunTestWithBp(t, `
@@ -154,9 +158,9 @@
 	artFragment := result.Module("art-bootclasspath-fragment", "android_common")
 	artInfo, _ := android.SingletonModuleProvider(result, artFragment, java.HiddenAPIInfoProvider)
 
-	bazPublicStubs := "out/soong/.intermediates/baz.stubs/android_common/dex/baz.stubs.jar"
-	bazSystemStubs := "out/soong/.intermediates/baz.stubs.system/android_common/dex/baz.stubs.system.jar"
-	bazTestStubs := "out/soong/.intermediates/baz.stubs.test/android_common/dex/baz.stubs.test.jar"
+	bazPublicStubs := "out/soong/.intermediates/baz.stubs.exportable/android_common/dex/baz.stubs.exportable.jar"
+	bazSystemStubs := "out/soong/.intermediates/baz.stubs.exportable.system/android_common/dex/baz.stubs.exportable.system.jar"
+	bazTestStubs := "out/soong/.intermediates/baz.stubs.exportable.test/android_common/dex/baz.stubs.exportable.test.jar"
 
 	checkAPIScopeStubs("art", artInfo, java.PublicHiddenAPIScope, bazPublicStubs)
 	checkAPIScopeStubs("art", artInfo, java.SystemHiddenAPIScope, bazSystemStubs)
@@ -167,8 +171,8 @@
 	otherFragment := result.Module("other-bootclasspath-fragment", "android_common")
 	otherInfo, _ := android.SingletonModuleProvider(result, otherFragment, java.HiddenAPIInfoProvider)
 
-	fooPublicStubs := "out/soong/.intermediates/foo.stubs/android_common/dex/foo.stubs.jar"
-	fooSystemStubs := "out/soong/.intermediates/foo.stubs.system/android_common/dex/foo.stubs.system.jar"
+	fooPublicStubs := "out/soong/.intermediates/foo.stubs.exportable/android_common/dex/foo.stubs.exportable.jar"
+	fooSystemStubs := "out/soong/.intermediates/foo.stubs.exportable.system/android_common/dex/foo.stubs.exportable.system.jar"
 
 	checkAPIScopeStubs("other", otherInfo, java.PublicHiddenAPIScope, bazPublicStubs, fooPublicStubs)
 	checkAPIScopeStubs("other", otherInfo, java.SystemHiddenAPIScope, bazSystemStubs, fooSystemStubs)
@@ -374,7 +378,7 @@
 			java.FixtureSetBootImageInstallDirOnDevice("art", "apex/com.android.art/javalib"),
 		).RunTest(t)
 
-		ensureExactDeapexedContents(t, result.TestContext, "com.android.art", "android_common", []string{
+		ensureExactDeapexedContents(t, result.TestContext, "prebuilt_com.android.art", "android_common", []string{
 			"etc/boot-image.prof",
 			"javalib/bar.jar",
 			"javalib/foo.jar",
@@ -529,16 +533,16 @@
 		result := preparers.RunTestWithBp(t, fmt.Sprintf(bp, "enabled: false,"))
 
 		java.CheckModuleDependencies(t, result.TestContext, "com.android.art", "android_common_com.android.art", []string{
-			`com.android.art.apex.selector`,
-			`com.android.art.deapexer`,
 			`dex2oatd`,
 			`prebuilt_art-bootclasspath-fragment`,
+			`prebuilt_com.android.art.apex.selector`,
+			`prebuilt_com.android.art.deapexer`,
 		})
 
 		java.CheckModuleDependencies(t, result.TestContext, "art-bootclasspath-fragment", "android_common_com.android.art", []string{
-			`com.android.art.deapexer`,
 			`dex2oatd`,
 			`prebuilt_bar`,
+			`prebuilt_com.android.art.deapexer`,
 			`prebuilt_foo`,
 		})
 
@@ -548,7 +552,7 @@
 
 	t.Run("enabled alternative APEX", func(t *testing.T) {
 		preparers.ExtendWithErrorHandler(android.FixtureExpectsAtLeastOneErrorMatchingPattern(
-			"Multiple installable prebuilt APEXes provide ambiguous deapexers: com.android.art and com.mycompany.android.art")).
+			"Multiple installable prebuilt APEXes provide ambiguous deapexers: prebuilt_com.android.art and prebuilt_com.mycompany.android.art")).
 			RunTestWithBp(t, fmt.Sprintf(bp, ""))
 	})
 }
@@ -696,6 +700,11 @@
 
 		java.PrepareForTestWithJavaSdkLibraryFiles,
 		java.FixtureWithLastReleaseApis("foo", "quuz"),
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
 	).RunTestWithBp(t, `
 		apex {
 			name: "com.android.art",
@@ -807,11 +816,11 @@
 		"foo",
 	})
 
-	fooStubs := getDexJarPath(result, "foo.stubs")
-	quuzPublicStubs := getDexJarPath(result, "quuz.stubs")
-	quuzSystemStubs := getDexJarPath(result, "quuz.stubs.system")
-	quuzTestStubs := getDexJarPath(result, "quuz.stubs.test")
-	quuzModuleLibStubs := getDexJarPath(result, "quuz.stubs.module_lib")
+	fooStubs := getDexJarPath(result, "foo.stubs.exportable")
+	quuzPublicStubs := getDexJarPath(result, "quuz.stubs.exportable")
+	quuzSystemStubs := getDexJarPath(result, "quuz.stubs.exportable.system")
+	quuzTestStubs := getDexJarPath(result, "quuz.stubs.exportable.test")
+	quuzModuleLibStubs := getDexJarPath(result, "quuz.stubs.exportable.module_lib")
 
 	// Make sure that the fragment uses the quuz stub dex jars when generating the hidden API flags.
 	fragment := result.ModuleForTests("mybootclasspathfragment", "android_common_apex10000")
diff --git a/apex/dexpreopt_bootjars_test.go b/apex/dexpreopt_bootjars_test.go
index 34ccdd7..d9ab8fa 100644
--- a/apex/dexpreopt_bootjars_test.go
+++ b/apex/dexpreopt_bootjars_test.go
@@ -199,7 +199,7 @@
 		"out/soong/dexpreopt_arm64/dex_bootjars_input/foo.jar",
 		"out/soong/dexpreopt_arm64/dex_bootjars_input/bar.jar",
 		"out/soong/dexpreopt_arm64/dex_bootjars_input/baz.jar",
-		"out/soong/.intermediates/com.android.art.deapexer/android_common/deapexer/etc/boot-image.prof",
+		"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",
 	}
 
@@ -382,12 +382,12 @@
 		{
 			desc:                         "Prebuilt apex prebuilt_com.android.art is selected, profile should come from .prof deapexed from the prebuilt",
 			selectedArtApexContributions: "art.prebuilt.contributions",
-			expectedProfile:              "out/soong/.intermediates/com.android.art.deapexer/android_common/deapexer/etc/boot-image.prof",
+			expectedProfile:              "out/soong/.intermediates/prebuilt_com.android.art.deapexer/android_common/deapexer/etc/boot-image.prof",
 		},
 		{
 			desc:                         "Prebuilt apex prebuilt_com.android.art.v2 is selected, profile should come from .prof deapexed from the prebuilt",
 			selectedArtApexContributions: "art.prebuilt.v2.contributions",
-			expectedProfile:              "out/soong/.intermediates/com.android.art.v2.deapexer/android_common/deapexer/etc/boot-image.prof",
+			expectedProfile:              "out/soong/.intermediates/prebuilt_com.android.art.v2.deapexer/android_common/deapexer/etc/boot-image.prof",
 		},
 	}
 	for _, tc := range testCases {
diff --git a/apex/platform_bootclasspath_test.go b/apex/platform_bootclasspath_test.go
index 01b616b..161941d 100644
--- a/apex/platform_bootclasspath_test.go
+++ b/apex/platform_bootclasspath_test.go
@@ -252,6 +252,11 @@
 		java.FixtureWithLastReleaseApis("foo"),
 		java.PrepareForTestWithDexpreopt,
 		dexpreopt.FixtureDisableDexpreoptBootImages(false),
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
 	).RunTestWithBp(t, `
 		apex {
 			name: "com.android.art",
@@ -386,10 +391,10 @@
 		`platform:all_apex_contributions`,
 
 		// The following are stubs.
-		`platform:android_stubs_current`,
-		`platform:android_system_stubs_current`,
-		`platform:android_test_stubs_current`,
-		`platform:legacy.core.platform.api.stubs`,
+		`platform:android_stubs_current_exportable`,
+		`platform:android_system_stubs_current_exportable`,
+		`platform:android_test_stubs_current_exportable`,
+		`platform:legacy.core.platform.api.stubs.exportable`,
 
 		// Needed for generating the boot image.
 		`platform:dex2oatd`,
@@ -422,6 +427,9 @@
 		java.PrepareForTestWithJavaSdkLibraryFiles,
 		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
 			variables.Always_use_prebuilt_sdks = proptools.BoolPtr(true)
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
 		}),
 		java.FixtureWithPrebuiltApis(map[string][]string{
 			"current": {},
@@ -546,7 +554,7 @@
 		"platform:prebuilt_sdk_test_current_android",
 
 		// Not a prebuilt as no prebuilt existed when it was added.
-		"platform:legacy.core.platform.api.stubs",
+		"platform:legacy.core.platform.api.stubs.exportable",
 
 		// The platform_bootclasspath intentionally adds dependencies on both source and prebuilt
 		// modules when available as it does not know which one will be preferred.
diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index c27b072..1ec38eb 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -87,6 +87,12 @@
 	// device (/apex/<apex_name>). If unspecified, follows the name property.
 	Apex_name *string
 
+	// Name of the source APEX that gets shadowed by this prebuilt
+	// e.g. com.mycompany.android.myapex
+	// If unspecified, follows the naming convention that the source apex of
+	// the prebuilt is Name() without "prebuilt_" prefix
+	Source_apex_name *string
+
 	ForceDisable bool `blueprint:"mutated"`
 
 	// whether the extracted apex file is installable.
@@ -126,7 +132,11 @@
 }
 
 func (p *prebuiltCommon) ApexVariationName() string {
-	return proptools.StringDefault(p.prebuiltCommonProperties.Apex_name, p.ModuleBase.BaseModuleName())
+	return proptools.StringDefault(p.prebuiltCommonProperties.Apex_name, p.BaseModuleName())
+}
+
+func (p *prebuiltCommon) BaseModuleName() string {
+	return proptools.StringDefault(p.prebuiltCommonProperties.Source_apex_name, p.ModuleBase.BaseModuleName())
 }
 
 func (p *prebuiltCommon) Prebuilt() *android.Prebuilt {
@@ -226,6 +236,7 @@
 			OutputFile:    android.OptionalPathForPath(p.outputApex),
 			Include:       "$(BUILD_PREBUILT)",
 			Host_required: p.hostRequired,
+			OverrideName:  p.BaseModuleName(),
 			ExtraEntries: []android.AndroidMkExtraEntriesFunc{
 				func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
 					entries.SetString("LOCAL_MODULE_PATH", p.installDir.String())
@@ -436,7 +447,7 @@
 	apexInfo := android.ApexInfo{
 		ApexVariationName: apexVariationName,
 		InApexVariants:    []string{apexVariationName},
-		InApexModules:     []string{p.ModuleBase.BaseModuleName()}, // BaseModuleName() to avoid the prebuilt_ prefix.
+		InApexModules:     []string{p.BaseModuleName()}, // BaseModuleName() to avoid the prebuilt_ prefix.
 		ApexContents:      []*android.ApexContents{apexContents},
 		ForPrebuiltApex:   true,
 	}
@@ -742,13 +753,11 @@
 //     V            V            V
 //     selector  <---  deapexer  <---  exported java lib
 func (p *Prebuilt) createPrebuiltApexModules(ctx android.TopDownMutatorContext) {
-	baseModuleName := p.BaseModuleName()
-
-	apexSelectorModuleName := apexSelectorModuleName(baseModuleName)
+	apexSelectorModuleName := apexSelectorModuleName(p.Name())
 	createApexSelectorModule(ctx, apexSelectorModuleName, &p.properties.ApexFileProperties)
 
 	apexFileSource := ":" + apexSelectorModuleName
-	p.createDeapexerModuleIfNeeded(ctx, deapexerModuleName(baseModuleName), apexFileSource)
+	p.createDeapexerModuleIfNeeded(ctx, deapexerModuleName(p.Name()), apexFileSource)
 
 	// Add a source reference to retrieve the selected apex from the selector module.
 	p.prebuiltCommonProperties.Selected_apex = proptools.StringPtr(apexFileSource)
@@ -762,7 +771,7 @@
 	if p.hasExportedDeps() {
 		// Create a dependency from the prebuilt apex (prebuilt_apex/apex_set) to the internal deapexer module
 		// The deapexer will return a provider that will be bubbled up to the rdeps of apexes (e.g. dex_bootjars)
-		ctx.AddDependency(ctx.Module(), android.DeapexerTag, deapexerModuleName(p.BaseModuleName()))
+		ctx.AddDependency(ctx.Module(), android.DeapexerTag, deapexerModuleName(p.Name()))
 	}
 }
 
@@ -1002,13 +1011,11 @@
 // from those provided this creates an extractor module which extracts the appropriate .apex file
 // from the zip file containing them.
 func (a *ApexSet) createPrebuiltApexModules(ctx android.TopDownMutatorContext) {
-	baseModuleName := a.BaseModuleName()
-
-	apexExtractorModuleName := apexExtractorModuleName(baseModuleName)
+	apexExtractorModuleName := apexExtractorModuleName(a.Name())
 	createApexExtractorModule(ctx, apexExtractorModuleName, &a.properties.ApexExtractorProperties)
 
 	apexFileSource := ":" + apexExtractorModuleName
-	a.createDeapexerModuleIfNeeded(ctx, deapexerModuleName(baseModuleName), apexFileSource)
+	a.createDeapexerModuleIfNeeded(ctx, deapexerModuleName(a.Name()), apexFileSource)
 
 	// After passing the arch specific src properties to the creating the apex selector module
 	a.prebuiltCommonProperties.Selected_apex = proptools.StringPtr(apexFileSource)
diff --git a/apex/systemserver_classpath_fragment_test.go b/apex/systemserver_classpath_fragment_test.go
index 90fd2ca..01629c9 100644
--- a/apex/systemserver_classpath_fragment_test.go
+++ b/apex/systemserver_classpath_fragment_test.go
@@ -273,18 +273,18 @@
 
 	java.CheckModuleDependencies(t, ctx, "myapex", "android_common_myapex", []string{
 		`dex2oatd`,
-		`myapex.apex.selector`,
-		`myapex.deapexer`,
+		`prebuilt_myapex.apex.selector`,
+		`prebuilt_myapex.deapexer`,
 		`prebuilt_mysystemserverclasspathfragment`,
 	})
 
 	java.CheckModuleDependencies(t, ctx, "mysystemserverclasspathfragment", "android_common_myapex", []string{
-		`myapex.deapexer`,
 		`prebuilt_bar`,
 		`prebuilt_foo`,
+		`prebuilt_myapex.deapexer`,
 	})
 
-	ensureExactDeapexedContents(t, ctx, "myapex", "android_common", []string{
+	ensureExactDeapexedContents(t, ctx, "prebuilt_myapex", "android_common", []string{
 		"javalib/foo.jar",
 		"javalib/bar.jar",
 		"javalib/bar.jar.prof",
@@ -430,12 +430,12 @@
 	ctx := result.TestContext
 
 	java.CheckModuleDependencies(t, ctx, "mysystemserverclasspathfragment", "android_common_myapex", []string{
-		`myapex.deapexer`,
 		`prebuilt_bar`,
 		`prebuilt_foo`,
+		`prebuilt_myapex.deapexer`,
 	})
 
-	ensureExactDeapexedContents(t, ctx, "myapex", "android_common", []string{
+	ensureExactDeapexedContents(t, ctx, "prebuilt_myapex", "android_common", []string{
 		"javalib/foo.jar",
 		"javalib/bar.jar",
 		"javalib/bar.jar.prof",
diff --git a/apex/vndk.go b/apex/vndk.go
index 26c60ed..377c1c0 100644
--- a/apex/vndk.go
+++ b/apex/vndk.go
@@ -65,24 +65,27 @@
 		}
 
 		vndkVersion := ab.vndkVersion(mctx.DeviceConfig())
-		apiLevel, err := android.ApiLevelFromUser(mctx, vndkVersion)
-		if err != nil {
-			mctx.PropertyErrorf("vndk_version", "%s", err.Error())
-			return
-		}
+		if vndkVersion != "" {
+			apiLevel, err := android.ApiLevelFromUser(mctx, vndkVersion)
+			if err != nil {
+				mctx.PropertyErrorf("vndk_version", "%s", err.Error())
+				return
+			}
 
-		targets := mctx.MultiTargets()
-		if len(targets) > 0 && apiLevel.LessThan(cc.MinApiForArch(mctx, targets[0].Arch.ArchType)) &&
-			vndkVersion != mctx.DeviceConfig().PlatformVndkVersion() {
-			// Disable VNDK APEXes for VNDK versions less than the minimum supported API
-			// level for the primary architecture. This validation is skipped if the VNDK
-			// version matches the platform VNDK version, which can occur when the device
-			// config targets the 'current' VNDK (see `vndkVersion`).
-			ab.Disable()
-		}
-		if proptools.String(ab.vndkProperties.Vndk_version) != "" &&
-			apiLevel.GreaterThanOrEqualTo(android.ApiLevelOrPanic(mctx, mctx.DeviceConfig().PlatformVndkVersion())) {
-			ab.Disable()
+			targets := mctx.MultiTargets()
+			if len(targets) > 0 && apiLevel.LessThan(cc.MinApiForArch(mctx, targets[0].Arch.ArchType)) &&
+				vndkVersion != mctx.DeviceConfig().PlatformVndkVersion() {
+				// Disable VNDK APEXes for VNDK versions less than the minimum supported API
+				// level for the primary architecture. This validation is skipped if the VNDK
+				// version matches the platform VNDK version, which can occur when the device
+				// config targets the 'current' VNDK (see `vndkVersion`).
+				ab.Disable()
+			}
+			if proptools.String(ab.vndkProperties.Vndk_version) != "" &&
+				mctx.DeviceConfig().PlatformVndkVersion() != "" &&
+				apiLevel.GreaterThanOrEqualTo(android.ApiLevelOrPanic(mctx, mctx.DeviceConfig().PlatformVndkVersion())) {
+				ab.Disable()
+			}
 		}
 	}
 }
@@ -94,6 +97,11 @@
 		if vndkVersion == "" {
 			vndkVersion = mctx.DeviceConfig().PlatformVndkVersion()
 		}
+
+		if vndkVersion == "" {
+			return
+		}
+
 		if vndkVersion == mctx.DeviceConfig().PlatformVndkVersion() {
 			vndkVersion = "current"
 		} else {
diff --git a/cc/androidmk.go b/cc/androidmk.go
index 7723dc3..fe542b0 100644
--- a/cc/androidmk.go
+++ b/cc/androidmk.go
@@ -105,7 +105,7 @@
 					entries.AddStrings("LOCAL_RUNTIME_LIBRARIES", c.Properties.AndroidMkRuntimeLibs...)
 				}
 				entries.SetString("LOCAL_SOONG_LINK_TYPE", c.makeLinkType)
-				if c.UseVndk() {
+				if c.InVendorOrProduct() {
 					entries.SetBool("LOCAL_USE_VNDK", true)
 					if c.IsVndk() && !c.static() {
 						entries.SetString("LOCAL_SOONG_VNDK_VERSION", c.VndkVersion())
diff --git a/cc/cc.go b/cc/cc.go
index fd7a38a..c07e358 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -3785,7 +3785,7 @@
 }
 
 func GetMakeLinkType(actx android.ModuleContext, c LinkableInterface) string {
-	if c.UseVndk() {
+	if c.InVendorOrProduct() {
 		if c.IsLlndk() {
 			if !c.IsLlndkPublic() {
 				return "native:vndk_private"
diff --git a/cc/config/riscv64_device.go b/cc/config/riscv64_device.go
index 0964015..ac5f74c 100644
--- a/cc/config/riscv64_device.go
+++ b/cc/config/riscv64_device.go
@@ -29,6 +29,8 @@
 		// Equivalent to "-munaligned-access", but our clang doesn't have that yet.
 		"-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",
 	}
 
 	riscv64ArchVariantCflags = map[string][]string{}
diff --git a/cc/library.go b/cc/library.go
index 28eb80b..ff30d40 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -17,6 +17,7 @@
 import (
 	"fmt"
 	"io"
+	"log"
 	"path/filepath"
 	"regexp"
 	"strconv"
@@ -871,12 +872,18 @@
 func (library *libraryDecorator) getLibName(ctx BaseModuleContext) string {
 	name := library.getLibNameHelper(ctx.baseModuleName(), ctx.inVendor(), ctx.inProduct())
 
+	// Replace name with VNDK ext as original lib only when VNDK is enabled
 	if ctx.IsVndkExt() {
-		// vndk-ext lib should have the same name with original lib
-		ctx.VisitDirectDepsWithTag(vndkExtDepTag, func(module android.Module) {
-			originalName := module.(*Module).outputFile.Path()
-			name = strings.TrimSuffix(originalName.Base(), originalName.Ext())
-		})
+		if ctx.DeviceConfig().VndkVersion() != "" {
+			// vndk-ext lib should have the same name with original lib
+			ctx.VisitDirectDepsWithTag(vndkExtDepTag, func(module android.Module) {
+				originalName := module.(*Module).outputFile.Path()
+				name = strings.TrimSuffix(originalName.Base(), originalName.Ext())
+			})
+		} else {
+			// TODO(b/320208784) : Suggest a solution for former VNDK-ext libraries before VNDK deprecation.
+			log.Printf("VNDK Extension on module %s will not be available once VNDK is deprecated", ctx.baseModuleName())
+		}
 	}
 
 	if ctx.Host() && Bool(library.Properties.Unique_host_soname) {
diff --git a/genrule/allowlists.go b/genrule/allowlists.go
index cbefa45..3383650 100644
--- a/genrule/allowlists.go
+++ b/genrule/allowlists.go
@@ -24,6 +24,7 @@
 	SandboxingDenyModuleList = []string{
 		// go/keep-sorted start
 		"aidl_camera_build_version",
+		"com.google.pixel.camera.hal.manifest",
 		// go/keep-sorted end
 	}
 
diff --git a/java/app_import.go b/java/app_import.go
index 997274c..5f20fdd 100644
--- a/java/app_import.go
+++ b/java/app_import.go
@@ -151,7 +151,9 @@
 }
 
 // Updates properties with variant-specific values.
-func (a *AndroidAppImport) processVariants(ctx android.LoadHookContext) {
+// This happens as a DefaultableHook instead of a LoadHook because we want to run it after
+// soong config variables are applied.
+func (a *AndroidAppImport) processVariants(ctx android.DefaultableHookContext) {
 	config := ctx.Config()
 
 	dpiProps := reflect.ValueOf(a.dpiVariants).Elem().FieldByName("Dpi_variants")
@@ -543,7 +545,7 @@
 	module.AddProperties(&module.dexpreoptProperties)
 	module.AddProperties(&module.usesLibrary.usesLibraryProperties)
 	module.populateAllVariantStructs()
-	android.AddLoadHook(module, func(ctx android.LoadHookContext) {
+	module.SetDefaultableHook(func(ctx android.DefaultableHookContext) {
 		module.processVariants(ctx)
 	})
 
@@ -594,7 +596,7 @@
 	module.AddProperties(&module.dexpreoptProperties)
 	module.AddProperties(&module.testProperties)
 	module.populateAllVariantStructs()
-	android.AddLoadHook(module, func(ctx android.LoadHookContext) {
+	module.SetDefaultableHook(func(ctx android.DefaultableHookContext) {
 		module.processVariants(ctx)
 	})
 
diff --git a/java/app_import_test.go b/java/app_import_test.go
index ef4626e..44f8f16 100644
--- a/java/app_import_test.go
+++ b/java/app_import_test.go
@@ -411,6 +411,27 @@
 			installPath:  "/system/app/foo/foo.apk",
 		},
 		{
+			name: "matching arch without default",
+			bp: `
+				android_app_import {
+					name: "foo",
+					apk: "prebuilts/apk/app.apk",
+					arch: {
+						arm64: {
+							apk: "prebuilts/apk/app_arm64.apk",
+						},
+					},
+					presigned: true,
+					dex_preopt: {
+						enabled: true,
+					},
+				}
+			`,
+			expected:     "verify_uses_libraries/apk/app_arm64.apk",
+			artifactPath: "prebuilts/apk/app_arm64.apk",
+			installPath:  "/system/app/foo/foo.apk",
+		},
+		{
 			name: "no matching arch",
 			bp: `
 				android_app_import {
@@ -454,26 +475,105 @@
 	}
 
 	for _, test := range testCases {
-		ctx, _ := testJava(t, test.bp)
+		t.Run(test.name, func(t *testing.T) {
+			ctx, _ := testJava(t, test.bp)
 
-		variant := ctx.ModuleForTests("foo", "android_common")
-		if test.expected == "" {
-			if variant.Module().Enabled() {
-				t.Error("module should have been disabled, but wasn't")
+			variant := ctx.ModuleForTests("foo", "android_common")
+			if test.expected == "" {
+				if variant.Module().Enabled() {
+					t.Error("module should have been disabled, but wasn't")
+				}
+				rule := variant.MaybeRule("genProvenanceMetaData")
+				android.AssertDeepEquals(t, "Provenance metadata is not empty", android.TestingBuildParams{}, rule)
+				return
 			}
-			rule := variant.MaybeRule("genProvenanceMetaData")
-			android.AssertDeepEquals(t, "Provenance metadata is not empty", android.TestingBuildParams{}, rule)
-			continue
-		}
-		input := variant.Output("jnis-uncompressed/foo.apk").Input.String()
-		if strings.HasSuffix(input, test.expected) {
-			t.Errorf("wrong src apk, expected: %q got: %q", test.expected, input)
-		}
-		rule := variant.Rule("genProvenanceMetaData")
-		android.AssertStringEquals(t, "Invalid input", test.artifactPath, rule.Inputs[0].String())
-		android.AssertStringEquals(t, "Invalid output", "out/soong/.intermediates/provenance_metadata/foo/provenance_metadata.textproto", rule.Output.String())
-		android.AssertStringEquals(t, "Invalid args", "foo", rule.Args["module_name"])
-		android.AssertStringEquals(t, "Invalid args", test.installPath, rule.Args["install_path"])
+			input := variant.Output("jnis-uncompressed/foo.apk").Input.String()
+			if strings.HasSuffix(input, test.expected) {
+				t.Errorf("wrong src apk, expected: %q got: %q", test.expected, input)
+			}
+			rule := variant.Rule("genProvenanceMetaData")
+			android.AssertStringEquals(t, "Invalid input", test.artifactPath, rule.Inputs[0].String())
+			android.AssertStringEquals(t, "Invalid output", "out/soong/.intermediates/provenance_metadata/foo/provenance_metadata.textproto", rule.Output.String())
+			android.AssertStringEquals(t, "Invalid args", "foo", rule.Args["module_name"])
+			android.AssertStringEquals(t, "Invalid args", test.installPath, rule.Args["install_path"])
+		})
+	}
+}
+
+func TestAndroidAppImport_SoongConfigVariables(t *testing.T) {
+	testCases := []struct {
+		name         string
+		bp           string
+		expected     string
+		artifactPath string
+		metaDataPath string
+		installPath  string
+	}{
+		{
+			name: "matching arch",
+			bp: `
+				soong_config_module_type {
+					name: "my_android_app_import",
+					module_type: "android_app_import",
+					config_namespace: "my_namespace",
+					value_variables: ["my_apk_var"],
+					properties: ["apk"],
+				}
+				soong_config_value_variable {
+					name: "my_apk_var",
+				}
+				my_android_app_import {
+					name: "foo",
+					soong_config_variables: {
+						my_apk_var: {
+							apk: "prebuilts/apk/%s.apk",
+						},
+					},
+					presigned: true,
+					dex_preopt: {
+						enabled: true,
+					},
+				}
+			`,
+			expected:     "verify_uses_libraries/apk/name_from_soong_config.apk",
+			artifactPath: "prebuilts/apk/name_from_soong_config.apk",
+			installPath:  "/system/app/foo/foo.apk",
+		},
+	}
+
+	for _, test := range testCases {
+		t.Run(test.name, func(t *testing.T) {
+			ctx := android.GroupFixturePreparers(
+				prepareForJavaTest,
+				android.PrepareForTestWithSoongConfigModuleBuildComponents,
+				android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+					variables.VendorVars = map[string]map[string]string{
+						"my_namespace": {
+							"my_apk_var": "name_from_soong_config",
+						},
+					}
+				}),
+			).RunTestWithBp(t, test.bp).TestContext
+
+			variant := ctx.ModuleForTests("foo", "android_common")
+			if test.expected == "" {
+				if variant.Module().Enabled() {
+					t.Error("module should have been disabled, but wasn't")
+				}
+				rule := variant.MaybeRule("genProvenanceMetaData")
+				android.AssertDeepEquals(t, "Provenance metadata is not empty", android.TestingBuildParams{}, rule)
+				return
+			}
+			input := variant.Output("jnis-uncompressed/foo.apk").Input.String()
+			if strings.HasSuffix(input, test.expected) {
+				t.Errorf("wrong src apk, expected: %q got: %q", test.expected, input)
+			}
+			rule := variant.Rule("genProvenanceMetaData")
+			android.AssertStringEquals(t, "Invalid input", test.artifactPath, rule.Inputs[0].String())
+			android.AssertStringEquals(t, "Invalid output", "out/soong/.intermediates/provenance_metadata/foo/provenance_metadata.textproto", rule.Output.String())
+			android.AssertStringEquals(t, "Invalid args", "foo", rule.Args["module_name"])
+			android.AssertStringEquals(t, "Invalid args", test.installPath, rule.Args["install_path"])
+		})
 	}
 }
 
diff --git a/java/bootclasspath_fragment.go b/java/bootclasspath_fragment.go
index ae24404..c89c643 100644
--- a/java/bootclasspath_fragment.go
+++ b/java/bootclasspath_fragment.go
@@ -229,6 +229,7 @@
 
 type BootclasspathFragmentModule struct {
 	android.ModuleBase
+	android.DefaultableModuleBase
 	android.ApexModuleBase
 	ClasspathFragmentBase
 
@@ -267,6 +268,7 @@
 	android.InitApexModule(m)
 	initClasspathFragment(m, BOOTCLASSPATH)
 	android.InitAndroidArchModule(m, android.DeviceSupported, android.MultilibCommon)
+	android.InitDefaultableModule(m)
 
 	android.AddLoadHook(m, func(ctx android.LoadHookContext) {
 		// If code coverage has been enabled for the framework then append the properties with
@@ -399,6 +401,11 @@
 
 func (b *BootclasspathFragmentModule) DepIsInSameApex(ctx android.BaseModuleContext, dep android.Module) bool {
 	tag := ctx.OtherModuleDependencyTag(dep)
+
+	// If the module is a default module, do not check the tag
+	if _, ok := dep.(*Defaults); ok {
+		return true
+	}
 	if IsBootclasspathFragmentContentDepTag(tag) {
 		// Boot image contents are automatically added to apex.
 		return true
diff --git a/java/bootclasspath_fragment_test.go b/java/bootclasspath_fragment_test.go
index 216c3b3..95cd4a9 100644
--- a/java/bootclasspath_fragment_test.go
+++ b/java/bootclasspath_fragment_test.go
@@ -222,6 +222,11 @@
 		PrepareForTestWithJavaSdkLibraryFiles,
 		FixtureWithLastReleaseApis("mysdklibrary", "myothersdklibrary", "mycoreplatform"),
 		FixtureConfigureApexBootJars("someapex:mysdklibrary"),
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
 	).RunTestWithBp(t, `
 		bootclasspath_fragment {
 			name: "myfragment",
@@ -277,11 +282,11 @@
 	stubsJar := "out/soong/.intermediates/mystublib/android_common/dex/mystublib.jar"
 
 	// Stubs jars for mysdklibrary
-	publicStubsJar := "out/soong/.intermediates/mysdklibrary.stubs/android_common/dex/mysdklibrary.stubs.jar"
-	systemStubsJar := "out/soong/.intermediates/mysdklibrary.stubs.system/android_common/dex/mysdklibrary.stubs.system.jar"
+	publicStubsJar := "out/soong/.intermediates/mysdklibrary.stubs.exportable/android_common/dex/mysdklibrary.stubs.exportable.jar"
+	systemStubsJar := "out/soong/.intermediates/mysdklibrary.stubs.exportable.system/android_common/dex/mysdklibrary.stubs.exportable.system.jar"
 
 	// Stubs jars for myothersdklibrary
-	otherPublicStubsJar := "out/soong/.intermediates/myothersdklibrary.stubs/android_common/dex/myothersdklibrary.stubs.jar"
+	otherPublicStubsJar := "out/soong/.intermediates/myothersdklibrary.stubs.exportable/android_common/dex/myothersdklibrary.stubs.exportable.jar"
 
 	// Check that SdkPublic uses public stubs for all sdk libraries.
 	android.AssertPathsRelativeToTopEquals(t, "public dex stubs jar", []string{otherPublicStubsJar, publicStubsJar, stubsJar}, info.TransitiveStubDexJarsByScope.StubDexJarsForScope(PublicHiddenAPIScope))
diff --git a/java/config/droidstubs.go b/java/config/droidstubs.go
index 7029fee..f46c893 100644
--- a/java/config/droidstubs.go
+++ b/java/config/droidstubs.go
@@ -55,13 +55,6 @@
 	}
 
 	MetalavaAnnotationsWarningsFlags = strings.Join(metalavaAnnotationsWarningsFlags, " ")
-
-	metalavaHideFlaggedApis = []string{
-		"--revert-annotation",
-		"android.annotation.FlaggedApi",
-	}
-
-	MetalavaHideFlaggedApis = strings.Join(metalavaHideFlaggedApis, " ")
 )
 
 const (
@@ -73,8 +66,6 @@
 
 	exportedVars.ExportString("MetalavaAddOpens", MetalavaAddOpens)
 
-	exportedVars.ExportStringList("MetalavaHideFlaggedApis", metalavaHideFlaggedApis)
-
 	exportedVars.ExportStringListStaticVariable("MetalavaAnnotationsFlags", metalavaAnnotationsFlags)
 
 	exportedVars.ExportStringListStaticVariable("MetalavaAnnotationWarningsFlags", metalavaAnnotationsWarningsFlags)
diff --git a/java/core-libraries/Android.bp b/java/core-libraries/Android.bp
index c6ab561..8ffe511 100644
--- a/java/core-libraries/Android.bp
+++ b/java/core-libraries/Android.bp
@@ -38,9 +38,6 @@
     visibility: ["//visibility:public"],
     sdk_version: "none",
     system_modules: "none",
-    dist: {
-        targets: dist_targets,
-    },
 }
 
 java_library {
@@ -89,6 +86,32 @@
     },
 }
 
+java_library {
+    name: "core.current.stubs.exportable.from-source",
+    defaults: [
+        "core.current.stubs.defaults",
+    ],
+    static_libs: [
+        "art.module.public.api.stubs.exportable",
+        "conscrypt.module.public.api.stubs.exportable",
+        "i18n.module.public.api.stubs.exportable",
+    ],
+    dist: {
+        targets: dist_targets,
+        dest: "core.current.stubs.jar",
+    },
+}
+
+java_library {
+    name: "core.current.stubs.exportable",
+    defaults: [
+        "core.current.stubs.defaults",
+    ],
+    static_libs: [
+        "core.current.stubs.exportable.from-source",
+    ],
+}
+
 // Distributed with the SDK for turning into system modules to compile apps
 // against.
 //
@@ -298,6 +321,19 @@
     ],
 }
 
+java_library {
+    name: "legacy.core.platform.api.stubs.exportable.from-source",
+    visibility: core_platform_visibility,
+    defaults: [
+        "core.platform.api.stubs.defaults",
+    ],
+    static_libs: [
+        "art.module.public.api.stubs.exportable.module_lib",
+        "conscrypt.module.platform.api.stubs.exportable",
+        "legacy.i18n.module.platform.api.stubs.exportable",
+    ],
+}
+
 java_defaults {
     name: "android_core_platform_stubs_current_contributions",
     api_surface: "core_platform",
@@ -345,6 +381,17 @@
     },
 }
 
+java_library {
+    name: "legacy.core.platform.api.stubs.exportable",
+    visibility: core_platform_visibility,
+    defaults: [
+        "core.platform.api.stubs.defaults",
+    ],
+    static_libs: [
+        "legacy.core.platform.api.stubs.exportable.from-source",
+    ],
+}
+
 java_defaults {
     name: "core.platform.api.stubs.defaults",
     hostdex: true,
diff --git a/java/dex.go b/java/dex.go
index fbb8418..cdae0a2 100644
--- a/java/dex.go
+++ b/java/dex.go
@@ -223,13 +223,6 @@
 	if err != nil {
 		ctx.PropertyErrorf("min_sdk_version", "%s", err)
 	}
-	if effectiveVersion.FinalOrFutureInt() >= 35 {
-		// V is 35, but we have not bumped the SDK version yet, so check for both.
-		if ctx.Config().PlatformSdkVersion().FinalInt() >= 35 ||
-			ctx.Config().PlatformSdkCodename() == "VanillaIceCream" {
-			flags = append([]string{"-JDcom.android.tools.r8.dexContainerExperiment"}, flags...)
-		}
-	}
 
 	// If the specified SDK level is 10000, then configure the compiler to use the
 	// current platform SDK level and to compile the build as a platform build.
diff --git a/java/droidstubs.go b/java/droidstubs.go
index 04e6be8..0626313 100644
--- a/java/droidstubs.go
+++ b/java/droidstubs.go
@@ -199,6 +199,10 @@
 	StubsSrcJar() android.Path
 }
 
+type ExportableApiStubsSrcProvider interface {
+	ExportableStubsSrcJar() android.Path
+}
+
 // Provider of information about API stubs, used by java_sdk_library.
 type ApiStubsProvider interface {
 	AnnotationsZip() android.Path
@@ -208,6 +212,14 @@
 	ApiStubsSrcProvider
 }
 
+type ExportableApiStubsProvider interface {
+	ExportableAnnotationsZip() android.Path
+	ExportableApiFilePath() android.Path
+	ExportableRemovedApiFilePath() android.Path
+
+	ExportableApiStubsSrcProvider
+}
+
 type currentApiTimestampProvider interface {
 	CurrentApiTimestamp() android.Path
 }
@@ -713,9 +725,6 @@
 	}
 
 	cmd.Flag(config.MetalavaFlags)
-	if ctx.DeviceConfig().HideFlaggedApis() {
-		cmd.Flag(config.MetalavaHideFlaggedApis)
-	}
 
 	return cmd
 }
diff --git a/java/droidstubs_test.go b/java/droidstubs_test.go
index 379e240..52cd1c5 100644
--- a/java/droidstubs_test.go
+++ b/java/droidstubs_test.go
@@ -22,8 +22,6 @@
 	"testing"
 
 	"android/soong/android"
-
-	"github.com/google/blueprint/proptools"
 )
 
 func TestDroidstubs(t *testing.T) {
@@ -364,38 +362,6 @@
 	ctx.ModuleForTests("bar", "android_common")
 }
 
-func TestDroidstubsHideFlaggedApi(t *testing.T) {
-	result := android.GroupFixturePreparers(
-		prepareForJavaTest,
-		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
-			variables.NextReleaseHideFlaggedApi = proptools.BoolPtr(true)
-			variables.Release_expose_flagged_api = proptools.BoolPtr(false)
-		}),
-		android.FixtureMergeMockFs(map[string][]byte{
-			"a/A.java":      nil,
-			"a/current.txt": nil,
-			"a/removed.txt": nil,
-		}),
-	).RunTestWithBp(t, `
-	droidstubs {
-		name: "foo",
-		srcs: ["a/A.java"],
-		api_surface: "public",
-		check_api: {
-			current: {
-				api_file: "a/current.txt",
-				removed_api_file: "a/removed.txt",
-			}
-		},
-	}
-	`)
-
-	m := result.ModuleForTests("foo", "android_common")
-	manifest := m.Output("metalava.sbox.textproto")
-	cmdline := String(android.RuleBuilderSboxProtoForTests(t, result.TestContext, manifest).Commands[0].Command)
-	android.AssertStringDoesContain(t, "flagged api hide command not included", cmdline, "--revert-annotation android.annotation.FlaggedApi")
-}
-
 func TestAconfigDeclarations(t *testing.T) {
 	result := android.GroupFixturePreparers(
 		prepareForJavaTest,
diff --git a/java/hiddenapi_modular.go b/java/hiddenapi_modular.go
index a512860..06e17c9 100644
--- a/java/hiddenapi_modular.go
+++ b/java/hiddenapi_modular.go
@@ -245,12 +245,22 @@
 		testStubModules = append(testStubModules, "sdk_test_current_android")
 	} else {
 		// Use stub modules built from source
-		publicStubModules = append(publicStubModules, android.SdkPublic.DefaultJavaLibraryName())
-		systemStubModules = append(systemStubModules, android.SdkSystem.DefaultJavaLibraryName())
-		testStubModules = append(testStubModules, android.SdkTest.DefaultJavaLibraryName())
+		if config.ReleaseHiddenApiExportableStubs() {
+			publicStubModules = append(publicStubModules, android.SdkPublic.DefaultExportableJavaLibraryName())
+			systemStubModules = append(systemStubModules, android.SdkSystem.DefaultExportableJavaLibraryName())
+			testStubModules = append(testStubModules, android.SdkTest.DefaultExportableJavaLibraryName())
+		} else {
+			publicStubModules = append(publicStubModules, android.SdkPublic.DefaultJavaLibraryName())
+			systemStubModules = append(systemStubModules, android.SdkSystem.DefaultJavaLibraryName())
+			testStubModules = append(testStubModules, android.SdkTest.DefaultJavaLibraryName())
+		}
 	}
 	// We do not have prebuilts of the core platform api yet
-	corePlatformStubModules = append(corePlatformStubModules, "legacy.core.platform.api.stubs")
+	if config.ReleaseHiddenApiExportableStubs() {
+		corePlatformStubModules = append(corePlatformStubModules, "legacy.core.platform.api.stubs.exportable")
+	} else {
+		corePlatformStubModules = append(corePlatformStubModules, "legacy.core.platform.api.stubs")
+	}
 
 	// Allow products to define their own stubs for custom product jars that apps can use.
 	publicStubModules = append(publicStubModules, config.ProductHiddenAPIStubs()...)
@@ -289,7 +299,12 @@
 func hiddenAPIRetrieveDexJarBuildPath(ctx android.ModuleContext, module android.Module, kind android.SdkKind) android.Path {
 	var dexJar OptionalDexJarPath
 	if sdkLibrary, ok := module.(SdkLibraryDependency); ok {
-		dexJar = sdkLibrary.SdkApiStubDexJar(ctx, kind)
+		if ctx.Config().ReleaseHiddenApiExportableStubs() {
+			dexJar = sdkLibrary.SdkApiExportableStubDexJar(ctx, kind)
+		} else {
+			dexJar = sdkLibrary.SdkApiStubDexJar(ctx, kind)
+		}
+
 	} else if j, ok := module.(UsesLibraryDependency); ok {
 		dexJar = j.DexJarBuildPath(ctx)
 	} else {
diff --git a/java/hiddenapi_singleton_test.go b/java/hiddenapi_singleton_test.go
index 37afe29..c1fee21 100644
--- a/java/hiddenapi_singleton_test.go
+++ b/java/hiddenapi_singleton_test.go
@@ -177,10 +177,10 @@
 		{
 			name:             "testBundled",
 			unbundledBuild:   false,
-			publicStub:       "android_stubs_current",
-			systemStub:       "android_system_stubs_current",
-			testStub:         "android_test_stubs_current",
-			corePlatformStub: "legacy.core.platform.api.stubs",
+			publicStub:       "android_stubs_current_exportable",
+			systemStub:       "android_system_stubs_current_exportable",
+			testStub:         "android_test_stubs_current_exportable",
+			corePlatformStub: "legacy.core.platform.api.stubs.exportable",
 			preparer:         android.GroupFixturePreparers(),
 		}, {
 			name:             "testUnbundled",
@@ -188,7 +188,7 @@
 			publicStub:       "sdk_public_current_android",
 			systemStub:       "sdk_system_current_android",
 			testStub:         "sdk_test_current_android",
-			corePlatformStub: "legacy.core.platform.api.stubs",
+			corePlatformStub: "legacy.core.platform.api.stubs.exportable",
 			preparer:         PrepareForTestWithPrebuiltsOfCurrentApi,
 		},
 	}
@@ -200,6 +200,9 @@
 				prepareForTestWithDefaultPlatformBootclasspath,
 				android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
 					variables.Always_use_prebuilt_sdks = proptools.BoolPtr(tc.unbundledBuild)
+					variables.BuildFlags = map[string]string{
+						"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+					}
 				}),
 			).RunTest(t)
 
diff --git a/java/java.go b/java/java.go
index 4eeded3..72c39ef 100644
--- a/java/java.go
+++ b/java/java.go
@@ -564,9 +564,11 @@
 func (v javaVersion) String() string {
 	switch v {
 	case JAVA_VERSION_6:
-		return "1.6"
+		// Java version 1.6 no longer supported, bumping to 1.8
+		return "1.8"
 	case JAVA_VERSION_7:
-		return "1.7"
+		// Java version 1.7 no longer supported, bumping to 1.8
+		return "1.8"
 	case JAVA_VERSION_8:
 		return "1.8"
 	case JAVA_VERSION_9:
@@ -583,10 +585,12 @@
 func (v javaVersion) StringForKotlinc() string {
 	// $ ./external/kotlinc/bin/kotlinc -jvm-target foo
 	// error: unknown JVM target version: foo
-	// Supported versions: 1.6, 1.8, 9, 10, 11, 12, 13, 14, 15, 16, 17
+	// Supported versions: 1.8, 9, 10, 11, 12, 13, 14, 15, 16, 17
 	switch v {
+	case JAVA_VERSION_6:
+		return "1.8"
 	case JAVA_VERSION_7:
-		return "1.6"
+		return "1.8"
 	case JAVA_VERSION_9:
 		return "9"
 	default:
@@ -602,9 +606,11 @@
 func normalizeJavaVersion(ctx android.BaseModuleContext, javaVersion string) javaVersion {
 	switch javaVersion {
 	case "1.6", "6":
-		return JAVA_VERSION_6
+		// Java version 1.6 no longer supported, bumping to 1.8
+		return JAVA_VERSION_8
 	case "1.7", "7":
-		return JAVA_VERSION_7
+		// Java version 1.7 no longer supported, bumping to 1.8
+		return JAVA_VERSION_8
 	case "1.8", "8":
 		return JAVA_VERSION_8
 	case "1.9", "9":
@@ -2726,6 +2732,8 @@
 		&LintProperties{},
 		&appTestHelperAppProperties{},
 		&JavaApiLibraryProperties{},
+		&bootclasspathFragmentProperties{},
+		&SourceOnlyBootclasspathProperties{},
 	)
 
 	android.InitDefaultsModule(module)
diff --git a/java/sdk.go b/java/sdk.go
index 352b243..81be991 100644
--- a/java/sdk.go
+++ b/java/sdk.go
@@ -47,9 +47,7 @@
 	if err != nil {
 		ctx.PropertyErrorf("sdk_version", "%s", err)
 	}
-	if sdk.FinalOrFutureInt() <= 23 {
-		return JAVA_VERSION_7
-	} else if sdk.FinalOrFutureInt() <= 29 {
+	if sdk.FinalOrFutureInt() <= 29 {
 		return JAVA_VERSION_8
 	} else if sdk.FinalOrFutureInt() <= 31 {
 		return JAVA_VERSION_9
diff --git a/java/sdk_library.go b/java/sdk_library.go
index 058862b..72fbb15 100644
--- a/java/sdk_library.go
+++ b/java/sdk_library.go
@@ -104,9 +104,16 @@
 	// The name of the property in the java_sdk_library_import
 	propertyName string
 
-	// The tag to use to depend on the stubs library module.
+	// 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 everything stubs library module.
+	everythingStubsTag scopeDependencyTag
+
+	// The tag to use to depend on the exportable stubs library module.
+	exportableStubsTag scopeDependencyTag
+
 	// The tag to use to depend on the stubs source module (if separate from the API module).
 	stubsSourceTag scopeDependencyTag
 
@@ -172,6 +179,16 @@
 		apiScope:         scope,
 		depInfoExtractor: (*scopePaths).extractStubsLibraryInfoFromDependency,
 	}
+	scope.everythingStubsTag = scopeDependencyTag{
+		name:             name + "-stubs-everything",
+		apiScope:         scope,
+		depInfoExtractor: (*scopePaths).extractEverythingStubsLibraryInfoFromDependency,
+	}
+	scope.exportableStubsTag = scopeDependencyTag{
+		name:             name + "-stubs-exportable",
+		apiScope:         scope,
+		depInfoExtractor: (*scopePaths).extractExportableStubsLibraryInfoFromDependency,
+	}
 	scope.stubsSourceTag = scopeDependencyTag{
 		name:             name + "-stubs-source",
 		apiScope:         scope,
@@ -669,6 +686,11 @@
 	// This is not the implementation jar, it still only contains stubs.
 	stubsDexJarPath OptionalDexJarPath
 
+	// The exportable dex jar for the stubs.
+	// This is not the implementation jar, it still only contains stubs.
+	// Includes unflagged apis and flagged apis enabled by release configurations.
+	exportableStubsDexJarPath OptionalDexJarPath
+
 	// The API specification file, e.g. system_current.txt.
 	currentApiFilePath android.OptionalPath
 
@@ -695,6 +717,36 @@
 
 		libDep := dep.(UsesLibraryDependency)
 		paths.stubsDexJarPath = libDep.DexJarBuildPath(ctx)
+		paths.exportableStubsDexJarPath = libDep.DexJarBuildPath(ctx)
+		return nil
+	} else {
+		return fmt.Errorf("expected module that has JavaInfoProvider, e.g. java_library")
+	}
+}
+
+func (paths *scopePaths) extractEverythingStubsLibraryInfoFromDependency(ctx android.ModuleContext, dep android.Module) error {
+	if lib, ok := android.OtherModuleProvider(ctx, dep, JavaInfoProvider); ok {
+		paths.stubsHeaderPath = lib.HeaderJars
+		if !ctx.Config().ReleaseHiddenApiExportableStubs() {
+			paths.stubsImplPath = lib.ImplementationJars
+		}
+
+		libDep := dep.(UsesLibraryDependency)
+		paths.stubsDexJarPath = libDep.DexJarBuildPath(ctx)
+		return nil
+	} else {
+		return fmt.Errorf("expected module that has JavaInfoProvider, e.g. java_library")
+	}
+}
+
+func (paths *scopePaths) extractExportableStubsLibraryInfoFromDependency(ctx android.ModuleContext, dep android.Module) error {
+	if lib, ok := android.OtherModuleProvider(ctx, dep, JavaInfoProvider); ok {
+		if ctx.Config().ReleaseHiddenApiExportableStubs() {
+			paths.stubsImplPath = lib.ImplementationJars
+		}
+
+		libDep := dep.(UsesLibraryDependency)
+		paths.exportableStubsDexJarPath = libDep.DexJarBuildPath(ctx)
 		return nil
 	} else {
 		return fmt.Errorf("expected module that has JavaInfoProvider, e.g. java_library")
@@ -710,6 +762,15 @@
 	}
 }
 
+func (paths *scopePaths) treatDepAsExportableApiStubsProvider(dep android.Module, action func(provider ExportableApiStubsProvider)) error {
+	if exportableApiStubsProvider, ok := dep.(ExportableApiStubsProvider); ok {
+		action(exportableApiStubsProvider)
+		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 {
 	if apiStubsProvider, ok := dep.(ApiStubsSrcProvider); ok {
 		action(apiStubsProvider)
@@ -725,6 +786,12 @@
 	paths.removedApiFilePath = android.OptionalPathForPath(provider.RemovedApiFilePath())
 }
 
+func (paths *scopePaths) extractApiInfoFromExportableApiStubsProvider(provider ExportableApiStubsProvider) {
+	paths.annotationsZip = android.OptionalPathForPath(provider.ExportableAnnotationsZip())
+	paths.currentApiFilePath = android.OptionalPathForPath(provider.ExportableApiFilePath())
+	paths.removedApiFilePath = android.OptionalPathForPath(provider.ExportableRemovedApiFilePath())
+}
+
 func (paths *scopePaths) extractApiInfoFromDep(ctx android.ModuleContext, dep android.Module) error {
 	return paths.treatDepAsApiStubsProvider(dep, func(provider ApiStubsProvider) {
 		paths.extractApiInfoFromApiStubsProvider(provider)
@@ -735,6 +802,10 @@
 	paths.stubsSrcJar = android.OptionalPathForPath(provider.StubsSrcJar())
 }
 
+func (paths *scopePaths) extractStubsSourceInfoFromExportableApiStubsProviders(provider ExportableApiStubsSrcProvider) {
+	paths.stubsSrcJar = android.OptionalPathForPath(provider.ExportableStubsSrcJar())
+}
+
 func (paths *scopePaths) extractStubsSourceInfoFromDep(ctx android.ModuleContext, dep android.Module) error {
 	return paths.treatDepAsApiStubsSrcProvider(dep, func(provider ApiStubsSrcProvider) {
 		paths.extractStubsSourceInfoFromApiStubsProviders(provider)
@@ -742,6 +813,12 @@
 }
 
 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) {
 		paths.extractApiInfoFromApiStubsProvider(provider)
 		paths.extractStubsSourceInfoFromApiStubsProviders(provider)
@@ -1132,6 +1209,16 @@
 }
 
 // to satisfy SdkLibraryDependency interface
+func (c *commonToSdkLibraryAndImport) SdkApiExportableStubDexJar(ctx android.BaseModuleContext, kind android.SdkKind) OptionalDexJarPath {
+	paths := c.selectScopePaths(ctx, kind)
+	if paths == nil {
+		return makeUnsetDexJarPath()
+	}
+
+	return paths.exportableStubsDexJarPath
+}
+
+// to satisfy SdkLibraryDependency interface
 func (c *commonToSdkLibraryAndImport) SdkRemovedTxtFile(ctx android.BaseModuleContext, kind android.SdkKind) android.OptionalPath {
 	apiScope := sdkKindToApiScope(kind)
 	paths := c.findScopePaths(apiScope)
@@ -1249,10 +1336,16 @@
 	// they are identical to the corresponding header jars.
 	SdkImplementationJars(ctx android.BaseModuleContext, sdkVersion android.SdkSpec) android.Paths
 
-	// SdkApiStubDexJar returns the dex jar for the stubs. It is needed by the hiddenapi processing
-	// tool which processes dex files.
+	// SdkApiStubDexJar returns the dex jar for the stubs for the prebuilt
+	// java_sdk_library_import module. It is needed by the hiddenapi processing tool which
+	// processes dex files.
 	SdkApiStubDexJar(ctx android.BaseModuleContext, kind android.SdkKind) OptionalDexJarPath
 
+	// SdkApiExportableStubDexJar returns the exportable dex jar for the stubs for
+	// java_sdk_library module. It is needed by the hiddenapi processing tool which processes
+	// dex files.
+	SdkApiExportableStubDexJar(ctx android.BaseModuleContext, kind android.SdkKind) OptionalDexJarPath
+
 	// SdkRemovedTxtFile returns the optional path to the removed.txt file for the specified sdk kind.
 	SdkRemovedTxtFile(ctx android.BaseModuleContext, kind android.SdkKind) android.OptionalPath
 
@@ -1365,8 +1458,10 @@
 	for _, apiScope := range module.getGeneratedApiScopes(ctx) {
 		// Add dependencies to the stubs library
 		stubModuleName := module.stubsLibraryModuleName(apiScope)
+		ctx.AddVariationDependencies(nil, apiScope.everythingStubsTag, stubModuleName)
 
-		ctx.AddVariationDependencies(nil, apiScope.stubsTag, stubModuleName)
+		exportableStubModuleName := module.exportableStubsLibraryModuleName(apiScope)
+		ctx.AddVariationDependencies(nil, apiScope.exportableStubsTag, exportableStubModuleName)
 
 		// Add a dependency on the stubs source in order to access both stubs source and api information.
 		ctx.AddVariationDependencies(nil, apiScope.stubsSourceAndApiTag, module.stubsSourceModuleName(apiScope))
diff --git a/java/sdk_library_test.go b/java/sdk_library_test.go
index c14f3e6..3326ec5 100644
--- a/java/sdk_library_test.go
+++ b/java/sdk_library_test.go
@@ -38,6 +38,11 @@
 		android.FixtureModifyConfig(func(config android.Config) {
 			config.SetApiLibraries([]string{"foo"})
 		}),
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
 	).RunTestWithBp(t, `
 		droiddoc_exported_dir {
 			name: "droiddoc-templates-sdk",
@@ -139,6 +144,9 @@
 		"foo.api.public.latest",
 		"foo.api.system.latest",
 		"foo.stubs",
+		"foo.stubs.exportable",
+		"foo.stubs.exportable.system",
+		"foo.stubs.exportable.test",
 		"foo.stubs.source",
 		"foo.stubs.source.system",
 		"foo.stubs.source.test",
@@ -529,6 +537,11 @@
 		prepareForJavaTest,
 		PrepareForTestWithJavaSdkLibraryFiles,
 		FixtureWithLastReleaseApis("sdklib"),
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
 	).RunTestWithBp(t, `
 		java_sdk_library {
 			name: "sdklib",
@@ -547,6 +560,7 @@
 		`sdklib.api.public.latest`,
 		`sdklib.impl`,
 		`sdklib.stubs`,
+		`sdklib.stubs.exportable`,
 		`sdklib.stubs.source`,
 		`sdklib.xml`,
 	})
@@ -919,6 +933,11 @@
 		prepareForJavaTest,
 		PrepareForTestWithJavaSdkLibraryFiles,
 		FixtureWithLastReleaseApis("sdklib"),
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
 	).RunTestWithBp(t, `
 		java_sdk_library {
 			name: "sdklib",
@@ -945,6 +964,7 @@
 		`sdklib.api.public.latest`,
 		`sdklib.impl`,
 		`sdklib.stubs`,
+		`sdklib.stubs.exportable`,
 		`sdklib.stubs.source`,
 		`sdklib.xml`,
 	})
@@ -966,6 +986,11 @@
 		PrepareForTestWithJavaSdkLibraryFiles,
 		FixtureWithLastReleaseApis("sdklib"),
 		preparer,
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
 	).RunTestWithBp(t, `
 		java_sdk_library {
 			name: "sdklib",
@@ -1018,6 +1043,7 @@
 		`sdklib.api.public.latest`,
 		`sdklib.impl`,
 		`sdklib.stubs`,
+		`sdklib.stubs.exportable`,
 		`sdklib.stubs.source`,
 		`sdklib.xml`,
 	})
diff --git a/java/testing.go b/java/testing.go
index 5959c49..04e8c73 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -407,6 +407,14 @@
 		"legacy.core.platform.api.stubs",
 		"stable.core.platform.api.stubs",
 
+		"android_stubs_current_exportable",
+		"android_system_stubs_current_exportable",
+		"android_test_stubs_current_exportable",
+		"android_module_lib_stubs_current_exportable",
+		"android_system_server_stubs_current_exportable",
+		"core.current.stubs.exportable",
+		"legacy.core.platform.api.stubs.exportable",
+
 		"kotlin-stdlib",
 		"kotlin-stdlib-jdk7",
 		"kotlin-stdlib-jdk8",
diff --git a/sdk/bootclasspath_fragment_sdk_test.go b/sdk/bootclasspath_fragment_sdk_test.go
index a89e28e..5d41958 100644
--- a/sdk/bootclasspath_fragment_sdk_test.go
+++ b/sdk/bootclasspath_fragment_sdk_test.go
@@ -206,8 +206,8 @@
 			checkBootJarsPackageCheckRule(t, result,
 				append(
 					[]string{
-						"out/soong/.intermediates/prebuilts/apex/com.android.art.deapexer/android_common/deapexer/javalib/core1.jar",
-						"out/soong/.intermediates/prebuilts/apex/com.android.art.deapexer/android_common/deapexer/javalib/core2.jar",
+						"out/soong/.intermediates/prebuilts/apex/prebuilt_com.android.art.deapexer/android_common/deapexer/javalib/core1.jar",
+						"out/soong/.intermediates/prebuilts/apex/prebuilt_com.android.art.deapexer/android_common/deapexer/javalib/core2.jar",
 						"out/soong/.intermediates/default/java/framework/android_common/aligned/framework.jar",
 					},
 					java.ApexBootJarDexJarPaths...,
@@ -270,6 +270,12 @@
 		// Add a platform_bootclasspath that depends on the fragment.
 		fixtureAddPlatformBootclasspathForBootclasspathFragment("myapex", "mybootclasspathfragment"),
 
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
+
 		android.FixtureWithRootAndroidBp(sdk+`
 			apex {
 				name: "myapex",
@@ -489,15 +495,15 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
 .intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
-.intermediates/myothersdklibrary.stubs/android_common/combined/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
-.intermediates/myothersdklibrary.stubs.source/android_common/everything/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
-.intermediates/myothersdklibrary.stubs.source/android_common/everything/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
-.intermediates/mycoreplatform.stubs/android_common/combined/mycoreplatform.stubs.jar -> sdk_library/public/mycoreplatform-stubs.jar
-.intermediates/mycoreplatform.stubs.source/android_common/everything/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
-.intermediates/mycoreplatform.stubs.source/android_common/everything/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
+.intermediates/myothersdklibrary.stubs.exportable/android_common/combined/myothersdklibrary.stubs.exportable.jar -> sdk_library/public/myothersdklibrary-stubs.jar
+.intermediates/myothersdklibrary.stubs.source/android_common/exportable/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
+.intermediates/myothersdklibrary.stubs.source/android_common/exportable/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mycoreplatform.stubs.exportable/android_common/combined/mycoreplatform.stubs.exportable.jar -> sdk_library/public/mycoreplatform-stubs.jar
+.intermediates/mycoreplatform.stubs.source/android_common/exportable/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
+.intermediates/mycoreplatform.stubs.source/android_common/exportable/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
 `)
 	})
 
@@ -509,15 +515,15 @@
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
 .intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
-.intermediates/myothersdklibrary.stubs/android_common/combined/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
-.intermediates/myothersdklibrary.stubs.source/android_common/everything/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
-.intermediates/myothersdklibrary.stubs.source/android_common/everything/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
-.intermediates/mycoreplatform.stubs/android_common/combined/mycoreplatform.stubs.jar -> sdk_library/public/mycoreplatform-stubs.jar
-.intermediates/mycoreplatform.stubs.source/android_common/everything/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
-.intermediates/mycoreplatform.stubs.source/android_common/everything/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
+.intermediates/myothersdklibrary.stubs.exportable/android_common/combined/myothersdklibrary.stubs.exportable.jar -> sdk_library/public/myothersdklibrary-stubs.jar
+.intermediates/myothersdklibrary.stubs.source/android_common/exportable/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
+.intermediates/myothersdklibrary.stubs.source/android_common/exportable/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mycoreplatform.stubs.exportable/android_common/combined/mycoreplatform.stubs.exportable.jar -> sdk_library/public/mycoreplatform-stubs.jar
+.intermediates/mycoreplatform.stubs.source/android_common/exportable/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
+.intermediates/mycoreplatform.stubs.source/android_common/exportable/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
 `
 	t.Run("added-via-apex", func(t *testing.T) {
 		testSnapshotWithBootClasspathFragment_Contents(t, `
@@ -760,6 +766,12 @@
 		// Add a platform_bootclasspath that depends on the fragment.
 		fixtureAddPlatformBootclasspathForBootclasspathFragment("myapex", "mybootclasspathfragment"),
 
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
+
 		android.MockFS{
 			"my-blocked.txt":                   nil,
 			"my-max-target-o-low-priority.txt": nil,
@@ -963,12 +975,12 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
 .intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
-.intermediates/mynewlibrary.stubs/android_common/combined/mynewlibrary.stubs.jar -> sdk_library/public/mynewlibrary-stubs.jar
-.intermediates/mynewlibrary.stubs.source/android_common/everything/mynewlibrary.stubs.source_api.txt -> sdk_library/public/mynewlibrary.txt
-.intermediates/mynewlibrary.stubs.source/android_common/everything/mynewlibrary.stubs.source_removed.txt -> sdk_library/public/mynewlibrary-removed.txt
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mynewlibrary.stubs.exportable/android_common/combined/mynewlibrary.stubs.exportable.jar -> sdk_library/public/mynewlibrary-stubs.jar
+.intermediates/mynewlibrary.stubs.source/android_common/exportable/mynewlibrary.stubs.source_api.txt -> sdk_library/public/mynewlibrary.txt
+.intermediates/mynewlibrary.stubs.source/android_common/exportable/mynewlibrary.stubs.source_removed.txt -> sdk_library/public/mynewlibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
 `),
 		snapshotTestPreparer(checkSnapshotWithoutSource, preparerForSnapshot),
 		snapshotTestPreparer(checkSnapshotWithSourcePreferred, preparerForSnapshot),
@@ -997,6 +1009,12 @@
 			"SOONG_SDK_SNAPSHOT_TARGET_BUILD_RELEASE": targetBuildRelease,
 		}),
 
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
+
 		android.FixtureWithRootAndroidBp(`
 			sdk {
 				name: "mysdk",
@@ -1095,15 +1113,15 @@
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi-for-sdk-snapshot/index.csv -> hiddenapi/index.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi-for-sdk-snapshot/stub-flags.csv -> hiddenapi/stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi-for-sdk-snapshot/all-flags.csv -> hiddenapi/all-flags.csv
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
 `
 
 		// On S the stub flags should only be generated from mysdklibrary as mynewsdklibrary is not part
 		// of the snapshot.
 		expectedStubFlagsInputs := []string{
-			"out/soong/.intermediates/mysdklibrary.stubs/android_common/dex/mysdklibrary.stubs.jar",
+			"out/soong/.intermediates/mysdklibrary.stubs.exportable/android_common/dex/mysdklibrary.stubs.exportable.jar",
 			"out/soong/.intermediates/mysdklibrary/android_common/aligned/mysdklibrary.jar",
 		}
 
@@ -1173,20 +1191,20 @@
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
-.intermediates/mynewsdklibrary.stubs/android_common/combined/mynewsdklibrary.stubs.jar -> sdk_library/public/mynewsdklibrary-stubs.jar
-.intermediates/mynewsdklibrary.stubs.source/android_common/everything/mynewsdklibrary.stubs.source_api.txt -> sdk_library/public/mynewsdklibrary.txt
-.intermediates/mynewsdklibrary.stubs.source/android_common/everything/mynewsdklibrary.stubs.source_removed.txt -> sdk_library/public/mynewsdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mynewsdklibrary.stubs.exportable/android_common/combined/mynewsdklibrary.stubs.exportable.jar -> sdk_library/public/mynewsdklibrary-stubs.jar
+.intermediates/mynewsdklibrary.stubs.source/android_common/exportable/mynewsdklibrary.stubs.source_api.txt -> sdk_library/public/mynewsdklibrary.txt
+.intermediates/mynewsdklibrary.stubs.source/android_common/exportable/mynewsdklibrary.stubs.source_removed.txt -> sdk_library/public/mynewsdklibrary-removed.txt
 `
 
 		// On tiramisu the stub flags should be generated from both mynewsdklibrary and mysdklibrary as
 		// they are both part of the snapshot.
 		expectedStubFlagsInputs := []string{
-			"out/soong/.intermediates/mynewsdklibrary.stubs/android_common/dex/mynewsdklibrary.stubs.jar",
+			"out/soong/.intermediates/mynewsdklibrary.stubs.exportable/android_common/dex/mynewsdklibrary.stubs.exportable.jar",
 			"out/soong/.intermediates/mynewsdklibrary/android_common/aligned/mynewsdklibrary.jar",
-			"out/soong/.intermediates/mysdklibrary.stubs/android_common/dex/mysdklibrary.stubs.jar",
+			"out/soong/.intermediates/mysdklibrary.stubs.exportable/android_common/dex/mysdklibrary.stubs.exportable.jar",
 			"out/soong/.intermediates/mysdklibrary/android_common/aligned/mysdklibrary.jar",
 		}
 
diff --git a/sdk/java_sdk_test.go b/sdk/java_sdk_test.go
index 592c005..1b2b0f1 100644
--- a/sdk/java_sdk_test.go
+++ b/sdk/java_sdk_test.go
@@ -45,6 +45,11 @@
 	java.PrepareForTestWithJavaDefaultModules,
 	java.PrepareForTestWithJavaSdkLibraryFiles,
 	java.FixtureWithLastReleaseApis("myjavalib"),
+	android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+		variables.BuildFlags = map[string]string{
+			"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+		}
+	}),
 )
 
 // Contains tests for SDK members provided by the java package.
@@ -608,6 +613,11 @@
 			"1": {"myjavalib"},
 			"2": {"myjavalib"},
 		}),
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
 	).RunTestWithBp(t, `
 		sdk {
 			name: "mysdk",
@@ -696,9 +706,9 @@
 		checkAllCopyRules(`
 .intermediates/exported-system-module/android_common/turbine-combined/exported-system-module.jar -> java/exported-system-module.jar
 .intermediates/system-module/android_common/turbine-combined/system-module.jar -> java/system-module.jar
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
 `),
 		checkInfoContents(result.Config, `
 [
@@ -941,15 +951,15 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
-.intermediates/myjavalib.stubs.system/android_common/combined/myjavalib.stubs.system.jar -> sdk_library/system/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source.system/android_common/everything/myjavalib.stubs.source.system_api.txt -> sdk_library/system/myjavalib.txt
-.intermediates/myjavalib.stubs.source.system/android_common/everything/myjavalib.stubs.source.system_removed.txt -> sdk_library/system/myjavalib-removed.txt
-.intermediates/myjavalib.stubs.test/android_common/combined/myjavalib.stubs.test.jar -> sdk_library/test/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source.test/android_common/everything/myjavalib.stubs.source.test_api.txt -> sdk_library/test/myjavalib.txt
-.intermediates/myjavalib.stubs.source.test/android_common/everything/myjavalib.stubs.source.test_removed.txt -> sdk_library/test/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable.system/android_common/combined/myjavalib.stubs.exportable.system.jar -> sdk_library/system/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source.system/android_common/exportable/myjavalib.stubs.source.system_api.txt -> sdk_library/system/myjavalib.txt
+.intermediates/myjavalib.stubs.source.system/android_common/exportable/myjavalib.stubs.source.system_removed.txt -> sdk_library/system/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable.test/android_common/combined/myjavalib.stubs.exportable.test.jar -> sdk_library/test/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source.test/android_common/exportable/myjavalib.stubs.source.test_api.txt -> sdk_library/test/myjavalib.txt
+.intermediates/myjavalib.stubs.source.test/android_common/exportable/myjavalib.stubs.source.test_removed.txt -> sdk_library/test/myjavalib-removed.txt
 `),
 		checkMergeZips(
 			".intermediates/mysdk/common_os/tmp/sdk_library/public/myjavalib_stub_sources.zip",
@@ -999,9 +1009,9 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib-foo.stubs/android_common/combined/myjavalib-foo.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib-foo.stubs.source/android_common/everything/myjavalib-foo.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib-foo.stubs.source/android_common/everything/myjavalib-foo.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib-foo.stubs.exportable/android_common/combined/myjavalib-foo.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib-foo.stubs.source/android_common/exportable/myjavalib-foo.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib-foo.stubs.source/android_common/exportable/myjavalib-foo.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
 `),
 		checkMergeZips(
 			".intermediates/mysdk/common_os/tmp/sdk_library/public/myjavalib_stub_sources.zip",
@@ -1052,10 +1062,10 @@
 }
 		`),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source-stubs.srcjar -> sdk_library/public/myjavalib.srcjar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source-stubs.srcjar -> sdk_library/public/myjavalib.srcjar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
 		`),
 	)
 }
@@ -1100,10 +1110,10 @@
 }
 		`),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_annotations.zip -> sdk_library/public/myjavalib_annotations.zip
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_annotations.zip -> sdk_library/public/myjavalib_annotations.zip
 		`),
 		checkMergeZips(".intermediates/mysdk/common_os/tmp/sdk_library/public/myjavalib_stub_sources.zip"),
 	)
@@ -1153,16 +1163,23 @@
 }
 		`),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
 		`),
 		checkMergeZips(".intermediates/mysdk/common_os/tmp/sdk_library/public/myjavalib_stub_sources.zip"),
 	)
 }
 
 func TestSnapshotWithJavaSdkLibrary_CompileDex(t *testing.T) {
-	result := android.GroupFixturePreparers(prepareForSdkTestWithJavaSdkLibrary).RunTestWithBp(t, `
+	result := android.GroupFixturePreparers(
+		prepareForSdkTestWithJavaSdkLibrary,
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
+	).RunTestWithBp(t, `
 		sdk {
 			name: "mysdk",
 			java_sdk_libs: ["myjavalib"],
@@ -1214,21 +1231,22 @@
 			ctx := android.ModuleInstallPathContextForTesting(result.Config)
 			dexJarBuildPath := func(name string, kind android.SdkKind) string {
 				dep := result.Module(name, "android_common").(java.SdkLibraryDependency)
-				path := dep.SdkApiStubDexJar(ctx, kind).Path()
+				path := dep.SdkApiExportableStubDexJar(ctx, kind).Path()
 				return path.RelativeToTop().String()
 			}
 
 			dexJarPath := dexJarBuildPath("myjavalib", android.SdkPublic)
-			android.AssertStringEquals(t, "source dex public stubs jar build path", "out/soong/.intermediates/myjavalib.stubs/android_common/dex/myjavalib.stubs.jar", dexJarPath)
+			android.AssertStringEquals(t, "source dex public stubs jar build path", "out/soong/.intermediates/myjavalib.stubs.exportable/android_common/dex/myjavalib.stubs.exportable.jar", dexJarPath)
 
 			dexJarPath = dexJarBuildPath("myjavalib", android.SdkSystem)
-			systemDexJar := "out/soong/.intermediates/myjavalib.stubs.system/android_common/dex/myjavalib.stubs.system.jar"
+			systemDexJar := "out/soong/.intermediates/myjavalib.stubs.exportable.system/android_common/dex/myjavalib.stubs.exportable.system.jar"
 			android.AssertStringEquals(t, "source dex system stubs jar build path", systemDexJar, dexJarPath)
 
 			// This should fall back to system as module is not available.
 			dexJarPath = dexJarBuildPath("myjavalib", android.SdkModule)
 			android.AssertStringEquals(t, "source dex module stubs jar build path", systemDexJar, dexJarPath)
 
+			// Prebuilt dex jar does not come from the exportable stubs.
 			dexJarPath = dexJarBuildPath(android.PrebuiltNameFromSource("myjavalib"), android.SdkPublic)
 			android.AssertStringEquals(t, "prebuilt dex public stubs jar build path", "out/soong/.intermediates/snapshot/prebuilt_myjavalib.stubs/android_common/dex/myjavalib.stubs.jar", dexJarPath)
 		}),
@@ -1270,9 +1288,9 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
 `),
 		checkMergeZips(
 			".intermediates/mysdk/common_os/tmp/sdk_library/public/myjavalib_stub_sources.zip",
@@ -1318,9 +1336,9 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
 `),
 		checkMergeZips(
 			".intermediates/mysdk/common_os/tmp/sdk_library/public/myjavalib_stub_sources.zip",
@@ -1376,12 +1394,12 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
-.intermediates/myjavalib.stubs.system/android_common/combined/myjavalib.stubs.system.jar -> sdk_library/system/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source.system/android_common/everything/myjavalib.stubs.source.system_api.txt -> sdk_library/system/myjavalib.txt
-.intermediates/myjavalib.stubs.source.system/android_common/everything/myjavalib.stubs.source.system_removed.txt -> sdk_library/system/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable.system/android_common/combined/myjavalib.stubs.exportable.system.jar -> sdk_library/system/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source.system/android_common/exportable/myjavalib.stubs.source.system_api.txt -> sdk_library/system/myjavalib.txt
+.intermediates/myjavalib.stubs.source.system/android_common/exportable/myjavalib.stubs.source.system_removed.txt -> sdk_library/system/myjavalib-removed.txt
 `),
 		checkMergeZips(
 			".intermediates/mysdk/common_os/tmp/sdk_library/public/myjavalib_stub_sources.zip",
@@ -1448,15 +1466,15 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
-.intermediates/myjavalib.stubs.system/android_common/combined/myjavalib.stubs.system.jar -> sdk_library/system/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source.system/android_common/everything/myjavalib.stubs.source.system_api.txt -> sdk_library/system/myjavalib.txt
-.intermediates/myjavalib.stubs.source.system/android_common/everything/myjavalib.stubs.source.system_removed.txt -> sdk_library/system/myjavalib-removed.txt
-.intermediates/myjavalib.stubs.module_lib/android_common/combined/myjavalib.stubs.module_lib.jar -> sdk_library/module-lib/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source.module_lib/android_common/everything/myjavalib.stubs.source.module_lib_api.txt -> sdk_library/module-lib/myjavalib.txt
-.intermediates/myjavalib.stubs.source.module_lib/android_common/everything/myjavalib.stubs.source.module_lib_removed.txt -> sdk_library/module-lib/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable.system/android_common/combined/myjavalib.stubs.exportable.system.jar -> sdk_library/system/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source.system/android_common/exportable/myjavalib.stubs.source.system_api.txt -> sdk_library/system/myjavalib.txt
+.intermediates/myjavalib.stubs.source.system/android_common/exportable/myjavalib.stubs.source.system_removed.txt -> sdk_library/system/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable.module_lib/android_common/combined/myjavalib.stubs.exportable.module_lib.jar -> sdk_library/module-lib/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source.module_lib/android_common/exportable/myjavalib.stubs.source.module_lib_api.txt -> sdk_library/module-lib/myjavalib.txt
+.intermediates/myjavalib.stubs.source.module_lib/android_common/exportable/myjavalib.stubs.source.module_lib_removed.txt -> sdk_library/module-lib/myjavalib-removed.txt
 `),
 		checkMergeZips(
 			".intermediates/mysdk/common_os/tmp/sdk_library/module-lib/myjavalib_stub_sources.zip",
@@ -1514,12 +1532,12 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
-.intermediates/myjavalib.stubs.system_server/android_common/combined/myjavalib.stubs.system_server.jar -> sdk_library/system-server/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source.system_server/android_common/everything/myjavalib.stubs.source.system_server_api.txt -> sdk_library/system-server/myjavalib.txt
-.intermediates/myjavalib.stubs.source.system_server/android_common/everything/myjavalib.stubs.source.system_server_removed.txt -> sdk_library/system-server/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable.system_server/android_common/combined/myjavalib.stubs.exportable.system_server.jar -> sdk_library/system-server/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source.system_server/android_common/exportable/myjavalib.stubs.source.system_server_api.txt -> sdk_library/system-server/myjavalib.txt
+.intermediates/myjavalib.stubs.source.system_server/android_common/exportable/myjavalib.stubs.source.system_server_removed.txt -> sdk_library/system-server/myjavalib-removed.txt
 `),
 		checkMergeZips(
 			".intermediates/mysdk/common_os/tmp/sdk_library/public/myjavalib_stub_sources.zip",
@@ -1568,9 +1586,9 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
 `),
 		checkMergeZips(
 			".intermediates/mysdk/common_os/tmp/sdk_library/public/myjavalib_stub_sources.zip",
@@ -1625,9 +1643,9 @@
 }
 `),
 		checkAllCopyRules(`
-.intermediates/myjavalib.stubs/android_common/combined/myjavalib.stubs.jar -> sdk_library/public/myjavalib-stubs.jar
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
-.intermediates/myjavalib.stubs.source/android_common/everything/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
+.intermediates/myjavalib.stubs.exportable/android_common/combined/myjavalib.stubs.exportable.jar -> sdk_library/public/myjavalib-stubs.jar
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_api.txt -> sdk_library/public/myjavalib.txt
+.intermediates/myjavalib.stubs.source/android_common/exportable/myjavalib.stubs.source_removed.txt -> sdk_library/public/myjavalib-removed.txt
 docs/known_doctags -> doctags/docs/known_doctags
 `),
 	)
diff --git a/sdk/sdk_test.go b/sdk/sdk_test.go
index d14c2ba..c4df146 100644
--- a/sdk/sdk_test.go
+++ b/sdk/sdk_test.go
@@ -442,6 +442,11 @@
 			android.FixtureMergeEnv(map[string]string{
 				"SOONG_SDK_SNAPSHOT_TARGET_BUILD_RELEASE": "S",
 			}),
+			android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+				variables.BuildFlags = map[string]string{
+					"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+				}
+			}),
 		).RunTest(t)
 
 		CheckSnapshot(t, result, "mysdk", "",
@@ -487,9 +492,9 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
 `),
 		)
 	})
diff --git a/ui/build/androidmk_denylist.go b/ui/build/androidmk_denylist.go
index b2266b2..e004cdc 100644
--- a/ui/build/androidmk_denylist.go
+++ b/ui/build/androidmk_denylist.go
@@ -25,7 +25,10 @@
 	"cts/",
 	"dalvik/",
 	"developers/",
-	"kernel/",
+	// Do not block other directories in kernel/, see b/319658303.
+	"kernel/configs/",
+	"kernel/prebuilts/",
+	"kernel/tests/",
 	"libcore/",
 	"libnativehelper/",
 	"pdk/",
diff --git a/ui/build/ninja.go b/ui/build/ninja.go
index b69e938..551b8ab 100644
--- a/ui/build/ninja.go
+++ b/ui/build/ninja.go
@@ -271,11 +271,13 @@
 		// The Ninja file hasn't been modified since the last time it was
 		// checked, so Ninja could be stuck. Output some diagnostics.
 		ctx.Verbosef("ninja may be stuck; last update to %v was %v. dumping process tree...", c.logPath, newModTime)
+		ctx.Printf("ninja may be stuck, check %v for list of running processes.",
+			filepath.Join(config.LogsDir(), config.logsPrefix+"soong.log"))
 
 		// The "pstree" command doesn't exist on Mac, but "pstree" on Linux
 		// gives more convenient output than "ps" So, we try pstree first, and
 		// ps second
-		commandText := fmt.Sprintf("pstree -pal %v || ps -ef", os.Getpid())
+		commandText := fmt.Sprintf("pstree -palT %v || ps -ef", os.Getpid())
 
 		cmd := Command(ctx, config, "dump process tree", "bash", "-c", commandText)
 		output := cmd.CombinedOutputOrFatal()