diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 8ccef8d..69bcd2e 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -917,7 +917,10 @@
 		"libart_headers",                                             // depends on unconverted modules: art_libartbase_headers
 		"libartbase-art-gtest",                                       // depends on unconverted modules: libgtest_isolated, libart, libart-compiler, libdexfile, libprofile
 		"libartbased-art-gtest",                                      // depends on unconverted modules: libgtest_isolated, libartd, libartd-compiler, libdexfiled, libprofiled
+		"libart-runtime",                                             // depends on unconverted modules: apex-info-list-tinyxml, libtinyxml2, libnativeloader-headers, heapprofd_client_api, art_operator_srcs, libcpu_features, libodrstatslog, libelffile, art_cmdlineparser_headers, cpp-define-generator-definitions, libdexfile, libnativebridge, libnativeloader, libsigchain, libartbase, libprofile, cpp-define-generator-asm-support
+		"libart-runtime-for-test",                                    // depends on unconverted modules: apex-info-list-tinyxml, libtinyxml2, libnativeloader-headers, heapprofd_client_api, art_operator_srcs, libcpu_features, libodrstatslog, libelffile, art_cmdlineparser_headers, cpp-define-generator-definitions, libdexfile, libnativebridge, libnativeloader, libsigchain, libartbase, libprofile, cpp-define-generator-asm-support
 		"libartd",                                                    // depends on unconverted modules: art_operator_srcs, libcpu_features, libodrstatslog, libelffiled, art_cmdlineparser_headers, cpp-define-generator-definitions, libdexfiled, libnativebridge, libnativeloader, libsigchain, libartbased, libprofiled, cpp-define-generator-asm-support, apex-info-list-tinyxml, libtinyxml2, libnativeloader-headers, heapprofd_client_api
+		"libartd-runtime",                                            // depends on unconverted modules: art_operator_srcs, libcpu_features, libodrstatslog, libelffiled, art_cmdlineparser_headers, cpp-define-generator-definitions, libdexfiled, libnativebridge, libnativeloader, libsigchain, libartbased, libprofiled, cpp-define-generator-asm-support, apex-info-list-tinyxml, libtinyxml2, libnativeloader-headers, heapprofd_client_api
 		"libartd-runtime-gtest",                                      // depends on unconverted modules: libgtest_isolated, libartd-compiler, libdexfiled, libprofiled, libartbased, libartbased-art-gtest
 		"libdebuggerd",                                               // depends on unconverted module: libdexfile
 		"libdebuggerd_handler",                                       // depends on unconverted module libdebuggerd_handler_core
@@ -1602,14 +1605,6 @@
 		"test_com.android.neuralnetworks",
 		"libneuralnetworks",
 		"libneuralnetworks_static",
-	}
-
-	// Staging-mode allowlist. Modules in this list are only built
-	// by Bazel with --bazel-mode-staging. This list should contain modules
-	// which will soon be added to the prod allowlist.
-	// It is implicit that all modules in ProdMixedBuildsEnabledList will
-	// also be built - do not add them to this list.
-	StagingMixedBuildsEnabledList = []string{
 		// M13: media.swcodec launch
 		"com.android.media.swcodec",
 		"test_com.android.media.swcodec",
@@ -1617,20 +1612,26 @@
 		"libcodec2_hidl@1.0",
 	}
 
+	// Staging-mode allowlist. Modules in this list are only built
+	// by Bazel with --bazel-mode-staging. This list should contain modules
+	// which will soon be added to the prod allowlist.
+	// It is implicit that all modules in ProdMixedBuildsEnabledList will
+	// also be built - do not add them to this list.
+	StagingMixedBuildsEnabledList = []string{}
+
 	// These should be the libs that are included by the apexes in the ProdMixedBuildsEnabledList
 	ProdDclaMixedBuildsEnabledList = []string{
 		"libbase",
 		"libc++",
 		"libcrypto",
 		"libcutils",
-	}
-
-	// These should be the libs that are included by the apexes in the StagingMixedBuildsEnabledList
-	StagingDclaMixedBuildsEnabledList = []string{
 		"libstagefright_flacdec",
 		"libutils",
 	}
 
+	// These should be the libs that are included by the apexes in the StagingMixedBuildsEnabledList
+	StagingDclaMixedBuildsEnabledList = []string{}
+
 	// TODO(b/269342245): Enable the rest of the DCLA libs
 	// "libssl",
 
diff --git a/android/config.go b/android/config.go
index 2a243ee..30be7d6 100644
--- a/android/config.go
+++ b/android/config.go
@@ -1909,6 +1909,10 @@
 	return c.config.productVariables.RequiresInsecureExecmemForSwiftshader
 }
 
+func (c *deviceConfig) Release_aidl_use_unfrozen() bool {
+	return Bool(c.config.productVariables.Release_aidl_use_unfrozen)
+}
+
 func (c *config) SelinuxIgnoreNeverallows() bool {
 	return c.productVariables.SelinuxIgnoreNeverallows
 }
diff --git a/android/module.go b/android/module.go
index 384776a..4c781f6 100644
--- a/android/module.go
+++ b/android/module.go
@@ -4029,43 +4029,26 @@
 	JavaBp2buildTargetName() string
 }
 
-// PartitionXsdSrcs partitions srcs into xsd_config modules and others
-// Since xsd_config are soong modules, we cannot use file extension for partitioning
-func PartitionXsdSrcs(ctx BazelConversionPathContext, srcs []string) ([]string, []string) {
-	//isXsd returns true if src is a soong module of type xsd_config
-	isXsd := func(src string) bool {
-		mod, exists := ctx.ModuleFromName(src)
+// XsdModuleToTargetName is a function that takes an XsdConfigBp2buildTarget
+type XsdModuleToTargetName func(xsd XsdConfigBp2buildTargets) string
+
+// XsdLabelMapper returns a bazel.LabelMapper for partitioning XSD sources/headers given an
+// XsdModuleToTargetName function.
+func XsdLabelMapper(targetName XsdModuleToTargetName) bazel.LabelMapper {
+	return func(ctx bazel.OtherModuleContext, label bazel.Label) (string, bool) {
+		mod, exists := ctx.ModuleFromName(label.OriginalModuleName)
 		if !exists {
-			return false
+			return label.Label, false
 		}
-		_, _isXsd := mod.(XsdConfigBp2buildTargets)
-		return _isXsd
-	}
-	nonXsd := []string{}
-	xsd := []string{}
-
-	for _, src := range srcs {
-		if isXsd(src) {
-			xsd = append(xsd, src)
-		} else {
-			nonXsd = append(nonXsd, src)
+		xsdMod, isXsd := mod.(XsdConfigBp2buildTargets)
+		if !isXsd {
+			return label.Label, false
 		}
-	}
 
-	return nonXsd, xsd
-}
-
-// Replaces //a/b/my_xsd_config with //a/b/my_xsd_config-{cpp|java}
-// The new target name is provided by the `targetName` callback function
-func XsdConfigBp2buildTarget(ctx BazelConversionPathContext, mod blueprint.Module, targetName func(xsd XsdConfigBp2buildTargets) string) string {
-	xsd, isXsd := mod.(XsdConfigBp2buildTargets)
-	if !isXsd {
-		ctx.ModuleErrorf("xsdConfigJavaTarget called on %v, which is not an xsd_config", mod)
+		// Remove the base module name
+		ret := strings.TrimSuffix(label.Label, mod.Name())
+		// Append the language specific target name
+		ret += targetName(xsdMod)
+		return ret, true
 	}
-	ret := BazelModuleLabel(ctx, mod)
-	// Remove the base module name
-	ret = strings.TrimSuffix(ret, mod.Name())
-	// Append the language specific target name
-	ret += targetName(xsd)
-	return ret
 }
diff --git a/android/variable.go b/android/variable.go
index f07ab56..2a9e7cd 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -184,6 +184,13 @@
 			Srcs         []string `android:"arch_variant"`
 			Exclude_srcs []string `android:"arch_variant"`
 		} `android:"arch_variant"`
+
+		// release_aidl_use_unfrozen is "true" when a device can
+		// use the unfrozen versions of AIDL interfaces.
+		Release_aidl_use_unfrozen struct {
+			Cflags []string
+			Cmd    *string
+		}
 	} `android:"arch_variant"`
 }
 
@@ -462,6 +469,8 @@
 
 	SelinuxIgnoreNeverallows bool `json:",omitempty"`
 
+	Release_aidl_use_unfrozen *bool `json:",omitempty"`
+
 	SepolicyFreezeTestExtraDirs         []string `json:",omitempty"`
 	SepolicyFreezeTestExtraPrebuiltDirs []string `json:",omitempty"`
 
diff --git a/apex/apex.go b/apex/apex.go
index 1d094eb..b26d1d2 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -993,7 +993,7 @@
 	// the non-system APEXes because the VNDK libraries won't be included (and duped) in the
 	// APEX, but shared across APEXes via the VNDK APEX.
 	useVndk := a.SocSpecific() || a.DeviceSpecific() || (a.ProductSpecific() && mctx.Config().EnforceProductPartitionInterface())
-	excludeVndkLibs := useVndk && proptools.Bool(a.properties.Use_vndk_as_stable)
+	excludeVndkLibs := useVndk && a.useVndkAsStable(mctx)
 	if proptools.Bool(a.properties.Use_vndk_as_stable) {
 		if !useVndk {
 			mctx.PropertyErrorf("use_vndk_as_stable", "not supported for system/system_ext APEXes")
@@ -2394,7 +2394,7 @@
 	// tags used below are private (e.g. `cc.sharedDepTag`).
 	if cc.IsSharedDepTag(depTag) || cc.IsRuntimeDepTag(depTag) {
 		if ch, ok := child.(*cc.Module); ok {
-			if ch.UseVndk() && proptools.Bool(a.properties.Use_vndk_as_stable) && ch.IsVndk() {
+			if ch.UseVndk() && a.useVndkAsStable(ctx) && ch.IsVndk() {
 				vctx.requireNativeLibs = append(vctx.requireNativeLibs, ":vndk")
 				return false
 			}
@@ -3277,31 +3277,6 @@
 	// Module separator
 	//
 	m["com.android.runtime"] = []string{
-		"libc_aeabi",
-		"libc_bionic",
-		"libc_bionic_ndk",
-		"libc_bootstrap",
-		"libc_common",
-		"libc_common_shared",
-		"libc_dns",
-		"libc_dynamic_dispatch",
-		"libc_fortify",
-		"libc_freebsd",
-		"libc_freebsd_large_stack",
-		"libc_gdtoa",
-		"libc_init_dynamic",
-		"libc_init_static",
-		"libc_jemalloc_wrapper",
-		"libc_netbsd",
-		"libc_nomalloc",
-		"libc_nopthread",
-		"libc_openbsd",
-		"libc_openbsd_large_stack",
-		"libc_openbsd_ndk",
-		"libc_pthread",
-		"libc_syscalls",
-		"libc_tzcode",
-		"libc_unwind_static",
 		"libdebuggerd",
 		"libdebuggerd_common_headers",
 		"libdebuggerd_handler_core",
@@ -3313,7 +3288,6 @@
 		"libprocinfo",
 		"libpropertyinfoparser",
 		"libscudo",
-		"libstdc++",
 		"libsystemproperties",
 		"libtombstoned_client_static",
 		"libunwindstack",
@@ -3742,3 +3716,12 @@
 func (a *apexBundle) IsTestApex() bool {
 	return a.testApex
 }
+
+func (a *apexBundle) useVndkAsStable(ctx android.BaseModuleContext) bool {
+	// VNDK cannot be linked if it is deprecated
+	if ctx.Config().IsVndkDeprecated() {
+		return false
+	}
+
+	return proptools.Bool(a.properties.Use_vndk_as_stable)
+}
diff --git a/apex/apex_test.go b/apex/apex_test.go
index df138e0..ed78033 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -3029,7 +3029,11 @@
 			vendor: true,
 			shared_libs: ["libvndk", "libvendor"],
 		}
-	`)
+	`,
+		android.FixtureModifyConfig(func(config android.Config) {
+			config.TestProductVariables.KeepVndk = proptools.BoolPtr(true)
+		}),
+	)
 
 	vendorVariant := "android_vendor.29_arm64_armv8-a"
 
diff --git a/bazel/properties.go b/bazel/properties.go
index 15af09b..702c31c 100644
--- a/bazel/properties.go
+++ b/bazel/properties.go
@@ -288,6 +288,41 @@
 	return result
 }
 
+// FirstUniqueBazelLabelListAttribute takes a LabelListAttribute and makes the LabelList for
+// each axis/configuration by keeping the first instance of a Label and omitting all subsequent
+// repetitions.
+func FirstUniqueBazelLabelListAttribute(attr LabelListAttribute) LabelListAttribute {
+	var result LabelListAttribute
+	result.Value = FirstUniqueBazelLabelList(attr.Value)
+	if attr.HasConfigurableValues() {
+		result.ConfigurableValues = make(configurableLabelLists)
+	}
+	for axis, configToLabels := range attr.ConfigurableValues {
+		for c, l := range configToLabels {
+			result.SetSelectValue(axis, c, FirstUniqueBazelLabelList(l))
+		}
+	}
+
+	return result
+}
+
+// SubtractBazelLabelListAttribute subtract needle from haystack for LabelList in each
+// axis/configuration.
+func SubtractBazelLabelListAttribute(haystack LabelListAttribute, needle LabelListAttribute) LabelListAttribute {
+	var result LabelListAttribute
+	result.Value = SubtractBazelLabelList(haystack.Value, needle.Value)
+	if haystack.HasConfigurableValues() {
+		result.ConfigurableValues = make(configurableLabelLists)
+	}
+	for axis, configToLabels := range haystack.ConfigurableValues {
+		for haystackConfig, haystackLabels := range configToLabels {
+			result.SetSelectValue(axis, haystackConfig, SubtractBazelLabelList(haystackLabels, needle.SelectValue(axis, haystackConfig)))
+		}
+	}
+
+	return result
+}
+
 type Attribute interface {
 	HasConfigurableValues() bool
 }
diff --git a/bazel/properties_test.go b/bazel/properties_test.go
index c56d11f..c98ae0e 100644
--- a/bazel/properties_test.go
+++ b/bazel/properties_test.go
@@ -125,6 +125,63 @@
 		}
 	}
 }
+
+func TestSubtractBazelLabelListAttribute(t *testing.T) {
+	testCases := []struct {
+		haystack LabelListAttribute
+		needle   LabelListAttribute
+		expected LabelListAttribute
+	}{
+		{
+			haystack: LabelListAttribute{
+				Value: makeLabelList(
+					[]string{"a", "b", "a", "c"},
+					[]string{"x", "x", "y", "z"},
+				),
+				ConfigurableValues: configurableLabelLists{
+					ArchConfigurationAxis: labelListSelectValues{
+						"arm": makeLabelList([]string{"arm_1", "arm_2"}, []string{}),
+						"x86": makeLabelList([]string{"x86_3", "x86_4", "x86_5"}, []string{"x86_5"}),
+					},
+				},
+			},
+			needle: LabelListAttribute{
+				Value: makeLabelList(
+					[]string{"d", "a"},
+					[]string{"x", "y2", "z2"},
+				),
+				ConfigurableValues: configurableLabelLists{
+					ArchConfigurationAxis: labelListSelectValues{
+						"arm": makeLabelList([]string{"arm_1", "arm_3"}, []string{}),
+						"x86": makeLabelList([]string{"x86_3", "x86_4"}, []string{"x86_6"}),
+					},
+				},
+			},
+			expected: LabelListAttribute{
+				Value: makeLabelList(
+					[]string{"b", "c"},
+					[]string{"x", "x", "y", "z"},
+				),
+				ConfigurableValues: configurableLabelLists{
+					ArchConfigurationAxis: labelListSelectValues{
+						"arm": makeLabelList([]string{"arm_2"}, []string{}),
+						"x86": makeLabelList([]string{"x86_5"}, []string{"x86_5"}),
+					},
+				},
+				ForceSpecifyEmptyList: false,
+				EmitEmptyList:         false,
+				Prepend:               false,
+			},
+		},
+	}
+	for _, tc := range testCases {
+		got := SubtractBazelLabelListAttribute(tc.haystack, tc.needle)
+		if !reflect.DeepEqual(tc.expected, got) {
+			t.Fatalf("Expected\n%v, but got\n%v", tc.expected, got)
+		}
+	}
+}
+
 func TestFirstUniqueBazelLabelList(t *testing.T) {
 	testCases := []struct {
 		originalLabelList       LabelList
@@ -167,6 +224,46 @@
 	}
 }
 
+func TestFirstUniqueBazelLabelListAttribute(t *testing.T) {
+	testCases := []struct {
+		originalLabelList       LabelListAttribute
+		expectedUniqueLabelList LabelListAttribute
+	}{
+		{
+			originalLabelList: LabelListAttribute{
+				Value: makeLabelList(
+					[]string{"a", "b", "a", "c"},
+					[]string{"x", "x", "y", "z"},
+				),
+				ConfigurableValues: configurableLabelLists{
+					ArchConfigurationAxis: labelListSelectValues{
+						"arm": makeLabelList([]string{"1", "2", "1"}, []string{}),
+						"x86": makeLabelList([]string{"3", "4", "4"}, []string{"5", "5"}),
+					},
+				},
+			},
+			expectedUniqueLabelList: LabelListAttribute{
+				Value: makeLabelList(
+					[]string{"a", "b", "c"},
+					[]string{"x", "y", "z"},
+				),
+				ConfigurableValues: configurableLabelLists{
+					ArchConfigurationAxis: labelListSelectValues{
+						"arm": makeLabelList([]string{"1", "2"}, []string{}),
+						"x86": makeLabelList([]string{"3", "4"}, []string{"5"}),
+					},
+				},
+			},
+		},
+	}
+	for _, tc := range testCases {
+		actualUniqueLabelList := FirstUniqueBazelLabelListAttribute(tc.originalLabelList)
+		if !reflect.DeepEqual(tc.expectedUniqueLabelList, actualUniqueLabelList) {
+			t.Fatalf("Expected %v, got %v", tc.expectedUniqueLabelList, actualUniqueLabelList)
+		}
+	}
+}
+
 func TestUniqueSortedBazelLabelList(t *testing.T) {
 	testCases := []struct {
 		originalLabelList       LabelList
diff --git a/bp2build/Android.bp b/bp2build/Android.bp
index f889693..4a3786f 100644
--- a/bp2build/Android.bp
+++ b/bp2build/Android.bp
@@ -46,6 +46,7 @@
         "apex_conversion_test.go",
         "apex_key_conversion_test.go",
         "build_conversion_test.go",
+        "bp2build_product_config_test.go",
         "bzl_conversion_test.go",
         "cc_binary_conversion_test.go",
         "cc_library_conversion_test.go",
diff --git a/bp2build/bp2build_product_config.go b/bp2build/bp2build_product_config.go
index c8067af..f56e6d8 100644
--- a/bp2build/bp2build_product_config.go
+++ b/bp2build/bp2build_product_config.go
@@ -7,6 +7,7 @@
 	"fmt"
 	"os"
 	"path/filepath"
+	"reflect"
 	"strings"
 
 	"github.com/google/blueprint/proptools"
@@ -151,16 +152,17 @@
 	if err != nil {
 		return "", err
 	}
-	result := "platforms:\n"
-	result += platformMappingSingleProduct(mainProductLabel, mainProductVariables)
+	var result strings.Builder
+	result.WriteString("platforms:\n")
+	platformMappingSingleProduct(mainProductLabel, mainProductVariables, &result)
 	for product, productVariablesStarlark := range productsForTesting {
 		productVariables, err := starlarkMapToProductVariables(productVariablesStarlark)
 		if err != nil {
 			return "", err
 		}
-		result += platformMappingSingleProduct("@//build/bazel/tests/products:"+product, &productVariables)
+		platformMappingSingleProduct("@//build/bazel/tests/products:"+product, &productVariables, &result)
 	}
-	return result, nil
+	return result.String(), nil
 }
 
 var bazelPlatformSuffixes = []string{
@@ -177,42 +179,107 @@
 	"_windows_x86_64",
 }
 
-func platformMappingSingleProduct(label string, productVariables *android.ProductVariables) string {
-	buildSettings := ""
-	buildSettings += fmt.Sprintf("    --//build/bazel/product_config:apex_global_min_sdk_version_override=%s\n", proptools.String(productVariables.ApexGlobalMinSdkVersionOverride))
-	buildSettings += fmt.Sprintf("    --//build/bazel/product_config:cfi_include_paths=%s\n", strings.Join(productVariables.CFIIncludePaths, ","))
-	buildSettings += fmt.Sprintf("    --//build/bazel/product_config:cfi_exclude_paths=%s\n", strings.Join(productVariables.CFIExcludePaths, ","))
-	buildSettings += fmt.Sprintf("    --//build/bazel/product_config:enable_cfi=%t\n", proptools.BoolDefault(productVariables.EnableCFI, true))
-	buildSettings += fmt.Sprintf("    --//build/bazel/product_config:device_abi=%s\n", strings.Join(productVariables.DeviceAbi, ","))
-	result := ""
-	for _, suffix := range bazelPlatformSuffixes {
-		result += "  " + label + suffix + "\n" + buildSettings
+func platformMappingSingleProduct(label string, productVariables *android.ProductVariables, result *strings.Builder) {
+	targetBuildVariant := "user"
+	if proptools.Bool(productVariables.Eng) {
+		targetBuildVariant = "eng"
+	} else if proptools.Bool(productVariables.Debuggable) {
+		targetBuildVariant = "userdebug"
 	}
-	return result
+
+	for _, suffix := range bazelPlatformSuffixes {
+		result.WriteString("  ")
+		result.WriteString(label)
+		result.WriteString(suffix)
+		result.WriteString("\n")
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:always_use_prebuilt_sdks=%t\n", proptools.Bool(productVariables.Always_use_prebuilt_sdks)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:apex_global_min_sdk_version_override=%s\n", proptools.String(productVariables.ApexGlobalMinSdkVersionOverride)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:build_id=%s\n", proptools.String(productVariables.BuildId)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:build_version_tags=%s\n", strings.Join(productVariables.BuildVersionTags, ",")))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:certificate_overrides=%s\n", strings.Join(productVariables.CertificateOverrides, ",")))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:cfi_exclude_paths=%s\n", strings.Join(productVariables.CFIExcludePaths, ",")))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:cfi_include_paths=%s\n", strings.Join(productVariables.CFIIncludePaths, ",")))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:compressed_apex=%t\n", proptools.Bool(productVariables.CompressedApex)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:default_app_certificate=%s\n", proptools.String(productVariables.DefaultAppCertificate)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_abi=%s\n", strings.Join(productVariables.DeviceAbi, ",")))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_max_page_size_supported=%s\n", proptools.String(productVariables.DeviceMaxPageSizeSupported)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_name=%s\n", proptools.String(productVariables.DeviceName)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:device_product=%s\n", proptools.String(productVariables.DeviceProduct)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:enable_cfi=%t\n", proptools.BoolDefault(productVariables.EnableCFI, true)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:manifest_package_name_overrides=%s\n", strings.Join(productVariables.ManifestPackageNameOverrides, ",")))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:platform_version_name=%s\n", proptools.String(productVariables.Platform_version_name)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:product_brand=%s\n", productVariables.ProductBrand))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:product_manufacturer=%s\n", productVariables.ProductManufacturer))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:target_build_variant=%s\n", targetBuildVariant))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:tidy_checks=%s\n", proptools.String(productVariables.TidyChecks)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:unbundled_build=%t\n", proptools.Bool(productVariables.Unbundled_build)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:unbundled_build_apps=%s\n", strings.Join(productVariables.Unbundled_build_apps, ",")))
+	}
 }
 
 func starlarkMapToProductVariables(in map[string]starlark.Value) (android.ProductVariables, error) {
-	var err error
 	result := android.ProductVariables{}
-	result.ApexGlobalMinSdkVersionOverride, err = starlark_import.UnmarshalNoneable[string](in["ApexGlobalMinSdkVersionOverride"])
-	if err != nil {
-		return result, err
+	productVarsReflect := reflect.ValueOf(&result).Elem()
+	for i := 0; i < productVarsReflect.NumField(); i++ {
+		field := productVarsReflect.Field(i)
+		fieldType := productVarsReflect.Type().Field(i)
+		name := fieldType.Name
+		if name == "BootJars" || name == "ApexBootJars" || name == "VendorVars" ||
+			name == "VendorSnapshotModules" || name == "RecoverySnapshotModules" {
+			// These variables have more complicated types, and we don't need them right now
+			continue
+		}
+		if _, ok := in[name]; ok {
+			switch field.Type().Kind() {
+			case reflect.Bool:
+				val, err := starlark_import.Unmarshal[bool](in[name])
+				if err != nil {
+					return result, err
+				}
+				field.SetBool(val)
+			case reflect.String:
+				val, err := starlark_import.Unmarshal[string](in[name])
+				if err != nil {
+					return result, err
+				}
+				field.SetString(val)
+			case reflect.Slice:
+				if field.Type().Elem().Kind() != reflect.String {
+					return result, fmt.Errorf("slices of types other than strings are unimplemented")
+				}
+				val, err := starlark_import.UnmarshalReflect(in[name], field.Type())
+				if err != nil {
+					return result, err
+				}
+				field.Set(val)
+			case reflect.Pointer:
+				switch field.Type().Elem().Kind() {
+				case reflect.Bool:
+					val, err := starlark_import.UnmarshalNoneable[bool](in[name])
+					if err != nil {
+						return result, err
+					}
+					field.Set(reflect.ValueOf(val))
+				case reflect.String:
+					val, err := starlark_import.UnmarshalNoneable[string](in[name])
+					if err != nil {
+						return result, err
+					}
+					field.Set(reflect.ValueOf(val))
+				case reflect.Int:
+					val, err := starlark_import.UnmarshalNoneable[int](in[name])
+					if err != nil {
+						return result, err
+					}
+					field.Set(reflect.ValueOf(val))
+				default:
+					return result, fmt.Errorf("pointers of types other than strings/bools are unimplemented: %s", field.Type().Elem().Kind().String())
+				}
+			default:
+				return result, fmt.Errorf("unimplemented type: %s", field.Type().String())
+			}
+		}
 	}
-	result.CFIIncludePaths, err = starlark_import.Unmarshal[[]string](in["CFIIncludePaths"])
-	if err != nil {
-		return result, err
-	}
-	result.CFIExcludePaths, err = starlark_import.Unmarshal[[]string](in["CFIExcludePaths"])
-	if err != nil {
-		return result, err
-	}
-	result.EnableCFI, err = starlark_import.UnmarshalNoneable[bool](in["EnableCFI"])
-	if err != nil {
-		return result, err
-	}
-	result.DeviceAbi, err = starlark_import.Unmarshal[[]string](in["DeviceAbi"])
-	if err != nil {
-		return result, err
-	}
+
 	return result, nil
 }
diff --git a/bp2build/bp2build_product_config_test.go b/bp2build/bp2build_product_config_test.go
new file mode 100644
index 0000000..3dd53ce
--- /dev/null
+++ b/bp2build/bp2build_product_config_test.go
@@ -0,0 +1,88 @@
+package bp2build
+
+import (
+	"android/soong/android"
+	"android/soong/starlark_import"
+	"encoding/json"
+	"reflect"
+	"testing"
+
+	"github.com/google/blueprint/proptools"
+	"go.starlark.net/starlark"
+)
+
+func createStarlarkValue(t *testing.T, code string) starlark.Value {
+	t.Helper()
+	result, err := starlark.ExecFile(&starlark.Thread{}, "main.bzl", "x = "+code, nil)
+	if err != nil {
+		t.Error(err)
+	}
+	return result["x"]
+}
+
+func createStarlarkProductVariablesMap(t *testing.T, code string) map[string]starlark.Value {
+	t.Helper()
+	rawValue := createStarlarkValue(t, code)
+	value, err := starlark_import.Unmarshal[map[string]starlark.Value](rawValue)
+	if err != nil {
+		t.Error(err)
+	}
+	return value
+}
+
+func TestStarlarkMapToProductVariables(t *testing.T) {
+	thirty := 30
+	cases := []struct {
+		starlark string
+		result   android.ProductVariables
+	}{
+		{
+			starlark: `{"CompressedApex": True}`,
+			result:   android.ProductVariables{CompressedApex: proptools.BoolPtr(true)},
+		},
+		{
+			starlark: `{"ApexGlobalMinSdkVersionOverride": "Tiramisu"}`,
+			result:   android.ProductVariables{ApexGlobalMinSdkVersionOverride: proptools.StringPtr("Tiramisu")},
+		},
+		{
+			starlark: `{"ProductManufacturer": "Google"}`,
+			result:   android.ProductVariables{ProductManufacturer: "Google"},
+		},
+		{
+			starlark: `{"Unbundled_build_apps": ["app1", "app2"]}`,
+			result:   android.ProductVariables{Unbundled_build_apps: []string{"app1", "app2"}},
+		},
+		{
+			starlark: `{"Platform_sdk_version": 30}`,
+			result:   android.ProductVariables{Platform_sdk_version: &thirty},
+		},
+		{
+			starlark: `{"HostFakeSnapshotEnabled": True}`,
+			result:   android.ProductVariables{HostFakeSnapshotEnabled: true},
+		},
+	}
+
+	for _, testCase := range cases {
+		productVariables, err := starlarkMapToProductVariables(createStarlarkProductVariablesMap(t,
+			testCase.starlark))
+		if err != nil {
+			t.Error(err)
+			continue
+		}
+		if !reflect.DeepEqual(testCase.result, productVariables) {
+			expected, err := json.Marshal(testCase.result)
+			if err != nil {
+				t.Error(err)
+				continue
+			}
+			actual, err := json.Marshal(productVariables)
+			if err != nil {
+				t.Error(err)
+				continue
+			}
+			expectedStr := string(expected)
+			actualStr := string(actual)
+			t.Errorf("expected %q, but got %q", expectedStr, actualStr)
+		}
+	}
+}
diff --git a/bp2build/cc_test_conversion_test.go b/bp2build/cc_test_conversion_test.go
index 4df4d4d..20eb092 100644
--- a/bp2build/cc_test_conversion_test.go
+++ b/bp2build/cc_test_conversion_test.go
@@ -94,7 +94,9 @@
 			simpleModuleDoNotConvertBp2build("genrule", "data_mod") +
 			simpleModuleDoNotConvertBp2build("cc_binary", "cc_bin") +
 			simpleModuleDoNotConvertBp2build("cc_library", "cc_lib") +
-			simpleModuleDoNotConvertBp2build("cc_test_library", "cc_test_lib2"),
+			simpleModuleDoNotConvertBp2build("cc_test_library", "cc_test_lib2") +
+			simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest_main") +
+			simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest"),
 		targets: []testBazelTarget{
 			{"cc_library_shared", "cc_test_lib1", AttrNameToString{}},
 			{"cc_library_static", "cc_test_lib1_bp2build_cc_library_static", AttrNameToString{}},
@@ -106,7 +108,11 @@
         ":cc_bin",
         ":cc_lib",
     ]`,
-				"deps": `[":cc_test_lib1_bp2build_cc_library_static"] + select({
+				"deps": `[
+        ":cc_test_lib1_bp2build_cc_library_static",
+        ":libgtest_main",
+        ":libgtest",
+    ] + select({
         "//build/bazel/platforms/os:darwin": [":hostlib"],
         "//build/bazel/platforms/os:linux_bionic": [":hostlib"],
         "//build/bazel/platforms/os:linux_glibc": [":hostlib"],
@@ -115,7 +121,6 @@
         "//conditions:default": [],
     })`,
 				"gtest":          "True",
-				"isolated":       "True",
 				"local_includes": `["."]`,
 				"dynamic_deps": `[":cc_test_lib2"] + select({
         "//build/bazel/platforms/os:android": [":foolib"],
@@ -152,7 +157,6 @@
 		targets: []testBazelTarget{
 			{"cc_test", "mytest", AttrNameToString{
 				"gtest":          "False",
-				"isolated":       "False",
 				"local_includes": `["."]`,
 				"srcs":           `["test.cpp"]`,
 			},
@@ -171,14 +175,18 @@
     srcs: ["test.cpp"],
     test_options: { tags: ["no-remote"] },
 }
-`,
+` + simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest_main") +
+			simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest"),
 		targets: []testBazelTarget{
 			{"cc_test", "mytest", AttrNameToString{
 				"tags":           `["no-remote"]`,
 				"local_includes": `["."]`,
 				"srcs":           `["test.cpp"]`,
 				"gtest":          "True",
-				"isolated":       "True",
+				"deps": `[
+        ":libgtest_main",
+        ":libgtest",
+    ]`,
 			},
 			},
 		},
@@ -197,15 +205,19 @@
 	srcs: ["test.cpp"],
 	test_config: "test_config.xml",
 }
-`,
+` + simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest_main") +
+			simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest"),
 		targets: []testBazelTarget{
 			{"cc_test", "mytest", AttrNameToString{
 				"gtest":                  "True",
-				"isolated":               "True",
 				"local_includes":         `["."]`,
 				"srcs":                   `["test.cpp"]`,
 				"target_compatible_with": `["//build/bazel/platforms/os:android"]`,
 				"test_config":            `"test_config.xml"`,
+				"deps": `[
+        ":libgtest_main",
+        ":libgtest",
+    ]`,
 			},
 			},
 		},
@@ -223,15 +235,19 @@
 	name: "mytest",
 	srcs: ["test.cpp"],
 }
-`,
+` + simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest_main") +
+			simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest"),
 		targets: []testBazelTarget{
 			{"cc_test", "mytest", AttrNameToString{
 				"gtest":                  "True",
-				"isolated":               "True",
 				"local_includes":         `["."]`,
 				"srcs":                   `["test.cpp"]`,
 				"target_compatible_with": `["//build/bazel/platforms/os:android"]`,
 				"test_config":            `"AndroidTest.xml"`,
+				"deps": `[
+        ":libgtest_main",
+        ":libgtest",
+    ]`,
 			},
 			},
 		},
@@ -250,13 +266,14 @@
 	srcs: ["test.cpp"],
 	test_config_template: "test_config_template.xml",
 	auto_gen_config: true,
+	isolated: true,
 }
-`,
+` + simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest_isolated_main") +
+			simpleModuleDoNotConvertBp2build("cc_library", "liblog"),
 		targets: []testBazelTarget{
 			{"cc_test", "mytest", AttrNameToString{
 				"auto_generate_test_config": "True",
 				"gtest":                     "True",
-				"isolated":                  "True",
 				"local_includes":            `["."]`,
 				"srcs":                      `["test.cpp"]`,
 				"target_compatible_with":    `["//build/bazel/platforms/os:android"]`,
@@ -266,8 +283,64 @@
     ]`,
 				"template_install_base": `"/data/local/tmp"`,
 				"template_test_config":  `"test_config_template.xml"`,
+				"deps":                  `[":libgtest_isolated_main"]`,
+				"dynamic_deps":          `[":liblog"]`,
 			},
 			},
 		},
 	})
 }
+
+func TestCcTest_WithExplicitGTestDepInAndroidBp(t *testing.T) {
+	runCcTestTestCase(t, ccTestBp2buildTestCase{
+		description: "cc test that lists libgtest in Android.bp should not have dups of libgtest in BUILD file",
+		blueprint: `
+cc_test {
+	name: "mytest",
+	srcs: ["test.cpp"],
+	static_libs: ["libgtest"],
+}
+` + simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest_main") +
+			simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest"),
+		targets: []testBazelTarget{
+			{"cc_test", "mytest", AttrNameToString{
+				"gtest":                  "True",
+				"local_includes":         `["."]`,
+				"srcs":                   `["test.cpp"]`,
+				"target_compatible_with": `["//build/bazel/platforms/os:android"]`,
+				"deps": `[
+        ":libgtest",
+        ":libgtest_main",
+    ]`,
+			},
+			},
+		},
+	})
+
+}
+
+func TestCcTest_WithIsolatedTurnedOn(t *testing.T) {
+	runCcTestTestCase(t, ccTestBp2buildTestCase{
+		description: "cc test that sets `isolated: true` should run with ligtest_isolated_main instead of libgtest_main",
+		blueprint: `
+cc_test {
+	name: "mytest",
+	srcs: ["test.cpp"],
+	isolated: true,
+}
+` + simpleModuleDoNotConvertBp2build("cc_library_static", "libgtest_isolated_main") +
+			simpleModuleDoNotConvertBp2build("cc_library", "liblog"),
+		targets: []testBazelTarget{
+			{"cc_test", "mytest", AttrNameToString{
+				"gtest":                  "True",
+				"local_includes":         `["."]`,
+				"srcs":                   `["test.cpp"]`,
+				"target_compatible_with": `["//build/bazel/platforms/os:android"]`,
+				"deps":                   `[":libgtest_isolated_main"]`,
+				"dynamic_deps":           `[":liblog"]`,
+			},
+			},
+		},
+	})
+
+}
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 6e00aa8..9895a20 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -43,6 +43,10 @@
 
 	rScriptSrcPartition = "renderScript"
 
+	xsdSrcPartition = "xsd"
+
+	hdrPartition = "hdr"
+
 	stubsSuffix = "_stub_libs_current"
 )
 
@@ -155,6 +159,7 @@
 		lSrcPartition:       bazel.LabelPartition{Extensions: []string{".l"}},
 		llSrcPartition:      bazel.LabelPartition{Extensions: []string{".ll"}},
 		rScriptSrcPartition: bazel.LabelPartition{Extensions: []string{".fs", ".rscript"}},
+		xsdSrcPartition:     bazel.LabelPartition{LabelMapper: android.XsdLabelMapper(xsdConfigCppTarget)},
 		// C++ is the "catch-all" group, and comprises generated sources because we don't
 		// know the language of these sources until the genrule is executed.
 		cppSrcPartition:     bazel.LabelPartition{Extensions: []string{".cpp", ".cc", ".cxx", ".mm"}, LabelMapper: addSuffixForFilegroup("_cpp_srcs"), Keep_remainder: true},
@@ -165,6 +170,14 @@
 	return bazel.PartitionLabelListAttribute(ctx, &srcs, labels)
 }
 
+func partitionHeaders(ctx android.BazelConversionPathContext, hdrs bazel.LabelListAttribute) bazel.PartitionToLabelListAttribute {
+	labels := bazel.LabelPartitions{
+		xsdSrcPartition: bazel.LabelPartition{LabelMapper: android.XsdLabelMapper(xsdConfigCppTarget)},
+		hdrPartition:    bazel.LabelPartition{Keep_remainder: true},
+	}
+	return bazel.PartitionLabelListAttribute(ctx, &hdrs, labels)
+}
+
 // bp2BuildParseLibProps returns the attributes for a variant of a cc_library.
 func bp2BuildParseLibProps(ctx android.BazelConversionPathContext, module *Module, isStatic bool) staticOrSharedAttributes {
 	lib, ok := module.compiler.(*libraryDecorator)
@@ -403,7 +416,8 @@
 	srcs     bazel.LabelListAttribute
 
 	// xsd config sources
-	xsdInSrcs bazel.StringListAttribute
+	xsdSrcs       bazel.LabelListAttribute
+	exportXsdSrcs bazel.LabelListAttribute
 
 	// Lex sources and options
 	lSrcs   bazel.LabelListAttribute
@@ -494,14 +508,11 @@
 func (ca *compilerAttributes) bp2buildForAxisAndConfig(ctx android.BazelConversionPathContext, axis bazel.ConfigurationAxis, config string, props *BaseCompilerProperties) {
 	// If there's arch specific srcs or exclude_srcs, generate a select entry for it.
 	// TODO(b/186153868): do this for OS specific srcs and exclude_srcs too.
-	srcsList, xsdList, ok := parseSrcs(ctx, props)
+	srcsList, ok := parseSrcs(ctx, props)
 
 	if ok {
 		ca.srcs.SetSelectValue(axis, config, srcsList)
 	}
-	if len(xsdList) > 0 {
-		ca.xsdInSrcs.SetSelectValue(axis, config, xsdList)
-	}
 
 	localIncludeDirs := props.Local_include_dirs
 	if axis == bazel.NoConfigAxis {
@@ -568,9 +579,11 @@
 	}
 }
 
-func (ca *compilerAttributes) finalize(ctx android.BazelConversionPathContext, implementationHdrs bazel.LabelListAttribute) {
+func (ca *compilerAttributes) finalize(ctx android.BazelConversionPathContext, implementationHdrs, exportHdrs bazel.LabelListAttribute) {
 	ca.srcs.ResolveExcludes()
 	partitionedSrcs := groupSrcsByExtension(ctx, ca.srcs)
+	partitionedImplHdrs := partitionHeaders(ctx, implementationHdrs)
+	partitionedHdrs := partitionHeaders(ctx, exportHdrs)
 
 	ca.protoSrcs = partitionedSrcs[protoSrcPartition]
 	ca.aidlSrcs = partitionedSrcs[aidlSrcPartition]
@@ -580,10 +593,19 @@
 		if lla.IsEmpty() {
 			continue
 		}
-		lla.Append(implementationHdrs)
+		lla.Append(partitionedImplHdrs[hdrPartition])
 		partitionedSrcs[p] = lla
 	}
 
+	ca.hdrs = partitionedHdrs[hdrPartition]
+
+	ca.includesFromHeaders(ctx, partitionedImplHdrs[hdrPartition], partitionedHdrs[hdrPartition])
+
+	xsdSrcs := bazel.SubtractBazelLabelListAttribute(partitionedSrcs[xsdSrcPartition], partitionedHdrs[xsdSrcPartition])
+	xsdSrcs.Append(partitionedImplHdrs[xsdSrcPartition])
+	ca.exportXsdSrcs = partitionedHdrs[xsdSrcPartition]
+	ca.xsdSrcs = bazel.FirstUniqueBazelLabelListAttribute(xsdSrcs)
+
 	ca.srcs = partitionedSrcs[cppSrcPartition]
 	ca.cSrcs = partitionedSrcs[cSrcPartition]
 	ca.asSrcs = partitionedSrcs[asSrcPartition]
@@ -604,11 +626,11 @@
 }
 
 // Parse srcs from an arch or OS's props value.
-func parseSrcs(ctx android.BazelConversionPathContext, props *BaseCompilerProperties) (bazel.LabelList, []string, bool) {
+func parseSrcs(ctx android.BazelConversionPathContext, props *BaseCompilerProperties) (bazel.LabelList, bool) {
 	anySrcs := false
 	// Add srcs-like dependencies such as generated files.
 	// First create a LabelList containing these dependencies, then merge the values with srcs.
-	genSrcs, xsd := android.PartitionXsdSrcs(ctx, props.Generated_sources)
+	genSrcs := props.Generated_sources
 	generatedSrcsLabelList := android.BazelLabelForModuleDepsExcludes(ctx, genSrcs, props.Exclude_generated_sources)
 	if len(props.Generated_sources) > 0 || len(props.Exclude_generated_sources) > 0 {
 		anySrcs = true
@@ -620,7 +642,7 @@
 		anySrcs = true
 	}
 
-	return bazel.AppendBazelLabelLists(allSrcsLabelList, generatedSrcsLabelList), xsd, anySrcs
+	return bazel.AppendBazelLabelLists(allSrcsLabelList, generatedSrcsLabelList), anySrcs
 }
 
 func bp2buildStdVal(std *string, prefix string, useGnu bool) *string {
@@ -667,8 +689,43 @@
 	return split[0][2:], true
 }
 
-// includesFromLabelList extracts relative/absolute includes from a bazel.LabelList>
-func includesFromLabelList(labelList bazel.LabelList) (relative, absolute []string) {
+// includesFromHeaders gets the include directories needed from generated headers
+func (ca *compilerAttributes) includesFromHeaders(ctx android.BazelConversionPathContext, implHdrs, hdrs bazel.LabelListAttribute) {
+	local, absolute := includesFromLabelListAttribute(implHdrs, ca.localIncludes, ca.absoluteIncludes)
+	localExport, absoluteExport := includesFromLabelListAttribute(hdrs, ca.includes.Includes, ca.includes.AbsoluteIncludes)
+
+	ca.localIncludes = local
+	ca.absoluteIncludes = absolute
+
+	ca.includes.Includes = localExport
+	ca.includes.AbsoluteIncludes = absoluteExport
+}
+
+// includesFromLabelList extracts the packages from a LabelListAttribute that should be includes and
+// combines them with existing local/absolute includes.
+func includesFromLabelListAttribute(attr bazel.LabelListAttribute, existingLocal, existingAbsolute bazel.StringListAttribute) (bazel.StringListAttribute, bazel.StringListAttribute) {
+	localAttr := existingLocal.Clone()
+	absoluteAttr := existingAbsolute.Clone()
+	if !attr.Value.IsEmpty() {
+		l, a := includesFromLabelList(attr.Value, existingLocal.Value, existingAbsolute.Value)
+		localAttr.SetSelectValue(bazel.NoConfigAxis, "", l)
+		absoluteAttr.SetSelectValue(bazel.NoConfigAxis, "", a)
+	}
+	for axis, configToLabels := range attr.ConfigurableValues {
+		for c, labels := range configToLabels {
+			local := existingLocal.SelectValue(axis, c)
+			absolute := existingAbsolute.SelectValue(axis, c)
+			l, a := includesFromLabelList(labels, local, absolute)
+			localAttr.SetSelectValue(axis, c, l)
+			absoluteAttr.SetSelectValue(axis, c, a)
+		}
+	}
+	return *localAttr, *absoluteAttr
+}
+
+// includesFromLabelList extracts relative/absolute includes from a bazel.LabelList.
+func includesFromLabelList(labelList bazel.LabelList, existingRel, existingAbs []string) ([]string, []string) {
+	var relative, absolute []string
 	for _, hdr := range labelList.Includes {
 		if pkg, hasPkg := packageFromLabel(hdr.Label); hasPkg {
 			absolute = append(absolute, pkg)
@@ -676,6 +733,12 @@
 			relative = append(relative, pkg)
 		}
 	}
+	if len(relative)+len(existingRel) != 0 {
+		relative = android.FirstUniqueStrings(append(append([]string{}, existingRel...), relative...))
+	}
+	if len(absolute)+len(existingAbs) != 0 {
+		absolute = android.FirstUniqueStrings(append(append([]string{}, existingAbs...), absolute...))
+	}
 	return relative, absolute
 }
 
@@ -740,8 +803,6 @@
 	archVariantLinkerProps := module.GetArchVariantProperties(ctx, &BaseLinkerProperties{})
 	archVariantLibraryProperties := module.GetArchVariantProperties(ctx, &LibraryProperties{})
 
-	var implementationHdrs bazel.LabelListAttribute
-
 	axisToConfigs := map[bazel.ConfigurationAxis]map[string]bool{}
 	allAxesAndConfigs := func(cp android.ConfigurationAxisToArchVariantProperties) {
 		for axis, configMap := range cp {
@@ -761,6 +822,7 @@
 	linkerAttrs := linkerAttributes{}
 
 	var aidlLibs bazel.LabelList
+	var implementationHdrs, exportHdrs bazel.LabelListAttribute
 
 	// Iterate through these axes in a deterministic order. This is required
 	// because processing certain dependencies may result in concatenating
@@ -770,9 +832,9 @@
 	for _, axis := range bazel.SortedConfigurationAxes(axisToConfigs) {
 		configs := axisToConfigs[axis]
 		for cfg := range configs {
-			var allHdrs, allHdrsXsd []string
+			var allHdrs []string
 			if baseCompilerProps, ok := archVariantCompilerProps[axis][cfg].(*BaseCompilerProperties); ok {
-				allHdrs, allHdrsXsd = android.PartitionXsdSrcs(ctx, baseCompilerProps.Generated_headers)
+				allHdrs = baseCompilerProps.Generated_headers
 
 				if baseCompilerProps.Lex != nil {
 					compilerAttrs.lexopts.SetSelectValue(axis, cfg, baseCompilerProps.Lex.Flags)
@@ -786,36 +848,17 @@
 				aidlLibs.Append(android.BazelLabelForModuleDeps(ctx, baseCompilerProps.Aidl.Libs))
 			}
 
-			var exportHdrs, exportHdrsXsd []string
+			var exportedHdrs []string
 
 			if baseLinkerProps, ok := archVariantLinkerProps[axis][cfg].(*BaseLinkerProperties); ok {
-				exportHdrs, exportHdrsXsd = android.PartitionXsdSrcs(ctx, baseLinkerProps.Export_generated_headers)
+				exportedHdrs = baseLinkerProps.Export_generated_headers
 				(&linkerAttrs).bp2buildForAxisAndConfig(ctx, module, axis, cfg, baseLinkerProps)
 			}
 
-			// in the synthetic bp2build workspace, xsd sources are compiled to a static library
-			xsdList := compilerAttrs.xsdInSrcs.SelectValue(axis, cfg)
-			allHdrsXsd = android.FirstUniqueStrings(append(xsdList, allHdrsXsd...))
-			headers := maybePartitionExportedAndImplementationsDeps(ctx, !module.Binary(), allHdrs, exportHdrs, android.BazelLabelForModuleDeps)
-			xsdConfigLibs := maybePartitionExportedAndImplementationsDeps(ctx, !module.Binary(), allHdrsXsd, exportHdrsXsd, bazelLabelForXsdConfig)
+			headers := maybePartitionExportedAndImplementationsDeps(ctx, !module.Binary(), allHdrs, exportedHdrs, android.BazelLabelForModuleDeps)
 
 			implementationHdrs.SetSelectValue(axis, cfg, headers.implementation)
-			compilerAttrs.hdrs.SetSelectValue(axis, cfg, headers.export)
-
-			exportIncludes, exportAbsoluteIncludes := includesFromLabelList(headers.export)
-			compilerAttrs.includes.Includes.SetSelectValue(axis, cfg, exportIncludes)
-			compilerAttrs.includes.AbsoluteIncludes.SetSelectValue(axis, cfg, exportAbsoluteIncludes)
-
-			includes, absoluteIncludes := includesFromLabelList(headers.implementation)
-			currAbsoluteIncludes := compilerAttrs.absoluteIncludes.SelectValue(axis, cfg)
-			currAbsoluteIncludes = android.FirstUniqueStrings(append(currAbsoluteIncludes, absoluteIncludes...))
-
-			compilerAttrs.absoluteIncludes.SetSelectValue(axis, cfg, currAbsoluteIncludes)
-
-			currIncludes := compilerAttrs.localIncludes.SelectValue(axis, cfg)
-			currIncludes = android.FirstUniqueStrings(append(currIncludes, includes...))
-
-			compilerAttrs.localIncludes.SetSelectValue(axis, cfg, currIncludes)
+			exportHdrs.SetSelectValue(axis, cfg, headers.export)
 
 			if libraryProps, ok := archVariantLibraryProperties[axis][cfg].(*LibraryProperties); ok {
 				if axis == bazel.NoConfigAxis {
@@ -835,14 +878,6 @@
 				}
 			}
 
-			if len(allHdrsXsd) > 0 {
-				wholeStaticLibs := linkerAttrs.implementationWholeArchiveDeps.SelectValue(axis, cfg)
-				(&wholeStaticLibs).Append(xsdConfigLibs.implementation)
-				linkerAttrs.implementationWholeArchiveDeps.SetSelectValue(axis, cfg, wholeStaticLibs)
-				wholeStaticLibs = linkerAttrs.wholeArchiveDeps.SelectValue(axis, cfg)
-				(&wholeStaticLibs).Append(xsdConfigLibs.export)
-				linkerAttrs.wholeArchiveDeps.SetSelectValue(axis, cfg, wholeStaticLibs)
-			}
 		}
 	}
 
@@ -860,11 +895,14 @@
 	(&compilerAttrs).convertProductVariables(ctx, productVariableProps)
 	(&linkerAttrs).convertProductVariables(ctx, productVariableProps)
 
-	(&compilerAttrs).finalize(ctx, implementationHdrs)
+	(&compilerAttrs).finalize(ctx, implementationHdrs, exportHdrs)
 	(&linkerAttrs).finalize(ctx)
 
 	(&compilerAttrs.srcs).Add(bp2BuildYasm(ctx, module, compilerAttrs))
 
+	(&linkerAttrs).wholeArchiveDeps.Append(compilerAttrs.exportXsdSrcs)
+	(&linkerAttrs).implementationWholeArchiveDeps.Append(compilerAttrs.xsdSrcs)
+
 	protoDep := bp2buildProto(ctx, module, compilerAttrs.protoSrcs)
 
 	// bp2buildProto will only set wholeStaticLib or implementationWholeStaticLib, but we don't know
@@ -1748,16 +1786,8 @@
 	return label
 }
 
-// Replaces //a/b/my_xsd_config with //a/b/my_xsd_config-cpp
-func xsdConfigCppTarget(ctx android.BazelConversionPathContext, mod blueprint.Module) string {
-	callback := func(xsd android.XsdConfigBp2buildTargets) string {
-		return xsd.CppBp2buildTargetName()
-	}
-	return android.XsdConfigBp2buildTarget(ctx, mod, callback)
-}
-
-func bazelLabelForXsdConfig(ctx android.BazelConversionPathContext, modules []string) bazel.LabelList {
-	return android.BazelLabelForModuleDepsWithFn(ctx, modules, xsdConfigCppTarget)
+func xsdConfigCppTarget(xsd android.XsdConfigBp2buildTargets) string {
+	return xsd.CppBp2buildTargetName()
 }
 
 func bazelLabelForWholeDeps(ctx android.BazelConversionPathContext, modules []string) bazel.LabelList {
diff --git a/cc/test.go b/cc/test.go
index af1b366..53a097a 100644
--- a/cc/test.go
+++ b/cc/test.go
@@ -267,7 +267,7 @@
 	return BoolDefault(test.LinkerProperties.Gtest, true)
 }
 
-func (test *testDecorator) isolated(ctx BaseModuleContext) bool {
+func (test *testDecorator) isolated(ctx android.EarlyModuleContext) bool {
 	return BoolDefault(test.LinkerProperties.Isolated, false)
 }
 
@@ -682,8 +682,7 @@
 type testBinaryAttributes struct {
 	binaryAttributes
 
-	Gtest    bool
-	Isolated bool
+	Gtest bool
 
 	tidyAttributes
 	tradefed.TestConfigAttributes
@@ -721,14 +720,16 @@
 
 	m.convertTidyAttributes(ctx, &testBinaryAttrs.tidyAttributes)
 
+	gtestIsolated := m.linker.(*testBinary).isolated(ctx)
 	for _, propIntf := range m.GetProperties() {
 		if testLinkerProps, ok := propIntf.(*TestLinkerProperties); ok {
 			testBinaryAttrs.Gtest = proptools.BoolDefault(testLinkerProps.Gtest, true)
-			testBinaryAttrs.Isolated = proptools.BoolDefault(testLinkerProps.Isolated, true)
 			break
 		}
 	}
 
+	addImplicitGtestDeps(ctx, &testBinaryAttrs, gtestIsolated)
+
 	for _, testProps := range m.GetProperties() {
 		if p, ok := testProps.(*TestBinaryProperties); ok {
 			useVendor := false // TODO Bug: 262914724
@@ -740,7 +741,7 @@
 				p.Auto_gen_config,
 				p.Test_options.Test_suite_tag,
 				p.Test_config_template,
-				getTradefedConfigOptions(ctx, p, testBinaryAttrs.Isolated),
+				getTradefedConfigOptions(ctx, p, gtestIsolated),
 				&testInstallBase,
 			)
 			testBinaryAttrs.TestConfigAttributes = testConfigAttributes
@@ -760,3 +761,28 @@
 		},
 		&testBinaryAttrs)
 }
+
+// cc_test that builds using gtest needs some additional deps
+// addImplicitGtestDeps makes these deps explicit in the generated BUILD files
+func addImplicitGtestDeps(ctx android.BazelConversionPathContext, attrs *testBinaryAttributes, gtestIsolated bool) {
+	addDepsAndDedupe := func(lla *bazel.LabelListAttribute, modules []string) {
+		moduleLabels := android.BazelLabelForModuleDeps(ctx, modules)
+		lla.Value.Append(moduleLabels)
+		// Dedupe
+		lla.Value = bazel.FirstUniqueBazelLabelList(lla.Value)
+	}
+	// this must be kept in sync with Soong's implementation in:
+	// https://cs.android.com/android/_/android/platform/build/soong/+/460fb2d6d546b5ab493a7e5479998c4933a80f73:cc/test.go;l=300-313;drc=ec7314336a2b35ea30ce5438b83949c28e3ac429;bpv=1;bpt=0
+	if attrs.Gtest {
+		// TODO - b/244433197: Handle canUseSdk
+		if gtestIsolated {
+			addDepsAndDedupe(&attrs.Deps, []string{"libgtest_isolated_main"})
+			addDepsAndDedupe(&attrs.Dynamic_deps, []string{"liblog"})
+		} else {
+			addDepsAndDedupe(&attrs.Deps, []string{
+				"libgtest_main",
+				"libgtest",
+			})
+		}
+	}
+}
diff --git a/java/aar.go b/java/aar.go
index a682e3a..180e1d7 100644
--- a/java/aar.go
+++ b/java/aar.go
@@ -88,28 +88,40 @@
 	// do not include AndroidManifest from dependent libraries
 	Dont_merge_manifests *bool
 
+	// If use_resource_processor is set, use Bazel's resource processor instead of aapt2 to generate R.class files.
+	// The resource processor produces more optimal R.class files that only list resources in the package of the
+	// library that provided them, as opposed to aapt2 which produces R.java files for every package containing
+	// every resource.  Using the resource processor can provide significant build time speedups, but requires
+	// fixing the module to use the correct package to reference each resource, and to avoid having any other
+	// libraries in the tree that use the same package name.  Defaults to false, but will default to true in the
+	// future.
+	Use_resource_processor *bool
+
 	// true if RRO is enforced for any of the dependent modules
 	RROEnforcedForDependent bool `blueprint:"mutated"`
 }
 
 type aapt struct {
-	aaptSrcJar             android.Path
-	exportPackage          android.Path
-	manifestPath           android.Path
-	proguardOptionsFile    android.Path
-	rTxt                   android.Path
-	extraAaptPackagesFile  android.Path
-	mergedManifestFile     android.Path
-	noticeFile             android.OptionalPath
-	assetPackage           android.OptionalPath
-	isLibrary              bool
-	defaultManifestVersion string
-	useEmbeddedNativeLibs  bool
-	useEmbeddedDex         bool
-	usesNonSdkApis         bool
-	hasNoCode              bool
-	LoggingParent          string
-	resourceFiles          android.Paths
+	aaptSrcJar                     android.Path
+	transitiveAaptRJars            android.Paths
+	transitiveAaptResourcePackages android.Paths
+	exportPackage                  android.Path
+	manifestPath                   android.Path
+	proguardOptionsFile            android.Path
+	rTxt                           android.Path
+	rJar                           android.Path
+	extraAaptPackagesFile          android.Path
+	mergedManifestFile             android.Path
+	noticeFile                     android.OptionalPath
+	assetPackage                   android.OptionalPath
+	isLibrary                      bool
+	defaultManifestVersion         string
+	useEmbeddedNativeLibs          bool
+	useEmbeddedDex                 bool
+	usesNonSdkApis                 bool
+	hasNoCode                      bool
+	LoggingParent                  string
+	resourceFiles                  android.Paths
 
 	splitNames []string
 	splits     []split
@@ -139,6 +151,10 @@
 	}
 }
 
+func (a *aapt) useResourceProcessorBusyBox() bool {
+	return BoolDefault(a.aaptProperties.Use_resource_processor, false)
+}
+
 func (a *aapt) ExportPackage() android.Path {
 	return a.exportPackage
 }
@@ -175,8 +191,6 @@
 	// Flags specified in Android.bp
 	linkFlags = append(linkFlags, a.aaptProperties.Aaptflags...)
 
-	linkFlags = append(linkFlags, "--no-static-lib-packages")
-
 	// Find implicit or explicit asset and resource dirs
 	assetDirs := android.PathsWithOptionalDefaultForModuleSrc(ctx, a.aaptProperties.Asset_dirs, "assets")
 	resourceDirs := android.PathsWithOptionalDefaultForModuleSrc(ctx, a.aaptProperties.Resource_dirs, "res")
@@ -348,6 +362,19 @@
 		linkFlags = append(linkFlags, "--static-lib")
 	}
 
+	if a.isLibrary && a.useResourceProcessorBusyBox() {
+		// When building an android_library using ResourceProcessorBusyBox the resources are merged into
+		// package-res.apk with --merge-only, but --no-static-lib-packages is not used so that R.txt only
+		// contains resources from this library.
+		linkFlags = append(linkFlags, "--merge-only")
+	} else {
+		// When building and app or when building an android_library without ResourceProcessorBusyBox
+		// --no-static-lib-packages is used to put all the resources into the app.  If ResourceProcessorBusyBox
+		// is used then the app's R.txt will be post-processed along with the R.txt files from dependencies to
+		// sort resources into the right packages in R.class.
+		linkFlags = append(linkFlags, "--no-static-lib-packages")
+	}
+
 	packageRes := android.PathForModuleOut(ctx, "package-res.apk")
 	// the subdir "android" is required to be filtered by package names
 	srcJar := android.PathForModuleGen(ctx, "android", "R.srcjar")
@@ -355,6 +382,7 @@
 	rTxt := android.PathForModuleOut(ctx, "R.txt")
 	// This file isn't used by Soong, but is generated for exporting
 	extraPackages := android.PathForModuleOut(ctx, "extra_packages")
+	var transitiveRJars android.Paths
 
 	var compiledResDirs []android.Paths
 	for _, dir := range resDirs {
@@ -374,7 +402,23 @@
 	// of transitiveStaticLibs.
 	transitiveStaticLibs := android.ReversePaths(staticDeps.resPackages())
 
-	compiledOverlay = append(compiledOverlay, transitiveStaticLibs...)
+	if a.isLibrary && a.useResourceProcessorBusyBox() {
+		// When building an android_library with ResourceProcessorBusyBox enabled treat static library dependencies
+		// as imports.  The resources from dependencies will not be merged into this module's package-res.apk, and
+		// instead modules depending on this module will reference package-res.apk from all transitive static
+		// dependencies.
+		for _, staticDep := range staticDeps {
+			linkDeps = append(linkDeps, staticDep.resPackage)
+			linkFlags = append(linkFlags, "-I "+staticDep.resPackage.String())
+			if staticDep.usedResourceProcessor {
+				transitiveRJars = append(transitiveRJars, staticDep.rJar)
+			}
+		}
+	} else {
+		// When building an app or building a library without ResourceProcessorBusyBox enabled all static
+		// dependencies are compiled into this module's package-res.apk as overlays.
+		compiledOverlay = append(compiledOverlay, transitiveStaticLibs...)
+	}
 
 	if len(transitiveStaticLibs) > 0 {
 		// If we are using static android libraries, every source file becomes an overlay.
@@ -437,7 +481,16 @@
 		a.assetPackage = android.OptionalPathForPath(assets)
 	}
 
+	if a.useResourceProcessorBusyBox() {
+		rJar := android.PathForModuleOut(ctx, "busybox/R.jar")
+		resourceProcessorBusyBoxGenerateBinaryR(ctx, rTxt, a.mergedManifestFile, rJar, staticDeps, a.isLibrary)
+		transitiveRJars = append(transitiveRJars, rJar)
+		a.rJar = rJar
+	}
+
 	a.aaptSrcJar = srcJar
+	a.transitiveAaptRJars = transitiveRJars
+	a.transitiveAaptResourcePackages = staticDeps.resPackages()
 	a.exportPackage = packageRes
 	a.manifestPath = manifestPath
 	a.proguardOptionsFile = proguardOptionsFile
@@ -449,7 +502,11 @@
 			resPackage:          a.exportPackage,
 			manifest:            a.manifestPath,
 			additionalManifests: additionalManifests,
+			rTxt:                a.rTxt,
+			rJar:                a.rJar,
 			assets:              a.assetPackage,
+
+			usedResourceProcessor: a.useResourceProcessorBusyBox(),
 		}).
 		Transitive(staticResourcesNodesDepSet).Build()
 	a.rroDirsDepSet = android.NewDepSetBuilder[rroDir](android.TOPOLOGICAL).
@@ -461,34 +518,93 @@
 		Transitive(staticManifestsDepSet).Build()
 }
 
+var resourceProcessorBusyBox = pctx.AndroidStaticRule("resourceProcessorBusyBox",
+	blueprint.RuleParams{
+		Command: "${config.JavaCmd} -cp ${config.ResourceProcessorBusyBox} " +
+			"com.google.devtools.build.android.ResourceProcessorBusyBox --tool=GENERATE_BINARY_R -- @${out}.args && " +
+			"if cmp -s ${out}.tmp ${out} ; then rm ${out}.tmp ; else mv ${out}.tmp ${out}; fi",
+		CommandDeps:    []string{"${config.ResourceProcessorBusyBox}"},
+		Rspfile:        "${out}.args",
+		RspfileContent: "--primaryRTxt ${rTxt} --primaryManifest ${manifest} --classJarOutput ${out}.tmp ${args}",
+		Restat:         true,
+	}, "rTxt", "manifest", "args")
+
+// resourceProcessorBusyBoxGenerateBinaryR converts the R.txt file produced by aapt2 into R.class files
+// using Bazel's ResourceProcessorBusyBox tool, which is faster than compiling the R.java files and
+// supports producing classes for static dependencies that only include resources from that dependency.
+func resourceProcessorBusyBoxGenerateBinaryR(ctx android.ModuleContext, rTxt, manifest android.Path,
+	rJar android.WritablePath, transitiveDeps transitiveAarDeps, isLibrary bool) {
+
+	var args []string
+	var deps android.Paths
+
+	if !isLibrary {
+		// When compiling an app, pass all R.txt and AndroidManifest.xml from transitive static library dependencies
+		// to ResourceProcessorBusyBox so that it can regenerate R.class files with the final resource IDs for each
+		// package.
+		args, deps = transitiveDeps.resourceProcessorDeps()
+	} else {
+		// When compiling a library don't pass any dependencies as it only needs to generate an R.class file for this
+		// library.  Pass --finalFields=false so that the R.class file contains non-final fields so they don't get
+		// inlined into the library before the final IDs are assigned during app compilation.
+		args = append(args, "--finalFields=false")
+	}
+
+	deps = append(deps, rTxt, manifest)
+
+	ctx.Build(pctx, android.BuildParams{
+		Rule:        resourceProcessorBusyBox,
+		Output:      rJar,
+		Implicits:   deps,
+		Description: "ResourceProcessorBusyBox",
+		Args: map[string]string{
+			"rTxt":     rTxt.String(),
+			"manifest": manifest.String(),
+			"args":     strings.Join(args, " "),
+		},
+	})
+}
+
 type resourcesNode struct {
 	resPackage          android.Path
 	manifest            android.Path
 	additionalManifests android.Paths
+	rTxt                android.Path
+	rJar                android.Path
 	assets              android.OptionalPath
+
+	usedResourceProcessor bool
 }
 
 type transitiveAarDeps []*resourcesNode
 
 func (t transitiveAarDeps) resPackages() android.Paths {
-	var paths android.Paths
+	paths := make(android.Paths, 0, len(t))
 	for _, dep := range t {
 		paths = append(paths, dep.resPackage)
 	}
-	return android.FirstUniquePaths(paths)
+	return paths
 }
 
 func (t transitiveAarDeps) manifests() android.Paths {
-	var paths android.Paths
+	paths := make(android.Paths, 0, len(t))
 	for _, dep := range t {
 		paths = append(paths, dep.manifest)
 		paths = append(paths, dep.additionalManifests...)
 	}
-	return android.FirstUniquePaths(paths)
+	return paths
+}
+
+func (t transitiveAarDeps) resourceProcessorDeps() (args []string, deps android.Paths) {
+	for _, dep := range t {
+		args = append(args, "--library="+dep.rTxt.String()+","+dep.manifest.String())
+		deps = append(deps, dep.rTxt, dep.manifest)
+	}
+	return args, deps
 }
 
 func (t transitiveAarDeps) assets() android.Paths {
-	var paths android.Paths
+	paths := make(android.Paths, 0, len(t))
 	for _, dep := range t {
 		if dep.assets.Valid() {
 			paths = append(paths, dep.assets.Path())
@@ -613,9 +729,12 @@
 
 	a.stem = proptools.StringDefault(a.overridableDeviceProperties.Stem, ctx.ModuleName())
 
-	ctx.CheckbuildFile(a.proguardOptionsFile)
-	ctx.CheckbuildFile(a.exportPackage)
-	ctx.CheckbuildFile(a.aaptSrcJar)
+	ctx.CheckbuildFile(a.aapt.proguardOptionsFile)
+	ctx.CheckbuildFile(a.aapt.exportPackage)
+	ctx.CheckbuildFile(a.aapt.aaptSrcJar)
+	if a.useResourceProcessorBusyBox() {
+		ctx.CheckbuildFile(a.aapt.rJar)
+	}
 
 	// apps manifests are handled by aapt, don't let Module see them
 	a.properties.Manifest = nil
@@ -627,7 +746,22 @@
 	a.Module.extraProguardFlagFiles = append(a.Module.extraProguardFlagFiles,
 		a.proguardOptionsFile)
 
-	a.Module.compile(ctx, a.aaptSrcJar)
+	var extraSrcJars android.Paths
+	var extraCombinedJars android.Paths
+	var extraClasspathJars android.Paths
+	if a.useResourceProcessorBusyBox() {
+		// When building a library with ResourceProcessorBusyBox enabled ResourceProcessorBusyBox for this
+		// library and each of the transitive static android_library dependencies has already created an
+		// R.class file for the appropriate package.  Add all of those R.class files to the classpath.
+		extraClasspathJars = a.transitiveAaptRJars
+	} else {
+		// When building a library without ResourceProcessorBusyBox the aapt2 rule creates R.srcjar containing
+		// R.java files for the library's package and the packages from all transitive static android_library
+		// dependencies.  Compile the srcjar alongside the rest of the sources.
+		extraSrcJars = android.Paths{a.aapt.aaptSrcJar}
+	}
+
+	a.Module.compile(ctx, extraSrcJars, extraClasspathJars, extraCombinedJars)
 
 	a.aarFile = android.PathForModuleOut(ctx, ctx.ModuleName()+".aar")
 	var res android.Paths
@@ -729,12 +863,15 @@
 
 	properties AARImportProperties
 
-	classpathFile         android.WritablePath
-	proguardFlags         android.WritablePath
-	exportPackage         android.WritablePath
-	extraAaptPackagesFile android.WritablePath
-	manifest              android.WritablePath
-	assetsPackage         android.WritablePath
+	classpathFile                  android.WritablePath
+	proguardFlags                  android.WritablePath
+	exportPackage                  android.WritablePath
+	transitiveAaptResourcePackages android.Paths
+	extraAaptPackagesFile          android.WritablePath
+	manifest                       android.WritablePath
+	assetsPackage                  android.WritablePath
+	rTxt                           android.WritablePath
+	rJar                           android.WritablePath
 
 	resourcesNodesDepSet *android.DepSet[*resourcesNode]
 	manifestsDepSet      *android.DepSet[android.Path]
@@ -903,12 +1040,13 @@
 	a.classpathFile = extractedAARDir.Join(ctx, "classes-combined.jar")
 	a.proguardFlags = extractedAARDir.Join(ctx, "proguard.txt")
 	a.manifest = extractedAARDir.Join(ctx, "AndroidManifest.xml")
+	aarRTxt := extractedAARDir.Join(ctx, "R.txt")
 	a.assetsPackage = android.PathForModuleOut(ctx, "assets.zip")
 
 	ctx.Build(pctx, android.BuildParams{
 		Rule:        unzipAAR,
 		Input:       a.aarPath,
-		Outputs:     android.WritablePaths{a.classpathFile, a.proguardFlags, a.manifest, a.assetsPackage},
+		Outputs:     android.WritablePaths{a.classpathFile, a.proguardFlags, a.manifest, a.assetsPackage, aarRTxt},
 		Description: "unzip AAR",
 		Args: map[string]string{
 			"outDir":             extractedAARDir.String(),
@@ -928,14 +1066,14 @@
 	// the subdir "android" is required to be filtered by package names
 	srcJar := android.PathForModuleGen(ctx, "android", "R.srcjar")
 	proguardOptionsFile := android.PathForModuleGen(ctx, "proguard.options")
-	rTxt := android.PathForModuleOut(ctx, "R.txt")
+	a.rTxt = android.PathForModuleOut(ctx, "R.txt")
 	a.extraAaptPackagesFile = android.PathForModuleOut(ctx, "extra_packages")
 
 	var linkDeps android.Paths
 
 	linkFlags := []string{
 		"--static-lib",
-		"--no-static-lib-packages",
+		"--merge-only",
 		"--auto-add-overlay",
 	}
 
@@ -948,25 +1086,35 @@
 	_ = staticRRODirsDepSet
 	staticDeps := transitiveAarDeps(staticResourcesNodesDepSet.ToList())
 
-	// AAPT2 overlays are in lowest to highest priority order, reverse the topological order
-	// of transitiveStaticLibs.
-	transitiveStaticLibs := android.ReversePaths(staticDeps.resPackages())
-
 	linkDeps = append(linkDeps, sharedLibs...)
-	linkDeps = append(linkDeps, transitiveStaticLibs...)
+	linkDeps = append(linkDeps, staticDeps.resPackages()...)
 	linkFlags = append(linkFlags, libFlags...)
 
-	overlayRes := append(android.Paths{flata}, transitiveStaticLibs...)
+	overlayRes := android.Paths{flata}
+
+	// Treat static library dependencies of static libraries as imports.
+	transitiveStaticLibs := staticDeps.resPackages()
+	linkDeps = append(linkDeps, transitiveStaticLibs...)
+	for _, staticLib := range transitiveStaticLibs {
+		linkFlags = append(linkFlags, "-I "+staticLib.String())
+	}
 
 	transitiveAssets := android.ReverseSliceInPlace(staticDeps.assets())
-	aapt2Link(ctx, a.exportPackage, srcJar, proguardOptionsFile, rTxt, a.extraAaptPackagesFile,
+	aapt2Link(ctx, a.exportPackage, srcJar, proguardOptionsFile, a.rTxt, a.extraAaptPackagesFile,
 		linkFlags, linkDeps, nil, overlayRes, transitiveAssets, nil)
 
+	a.rJar = android.PathForModuleOut(ctx, "busybox/R.jar")
+	resourceProcessorBusyBoxGenerateBinaryR(ctx, a.rTxt, a.manifest, a.rJar, nil, true)
+
 	resourcesNodesDepSetBuilder := android.NewDepSetBuilder[*resourcesNode](android.TOPOLOGICAL)
 	resourcesNodesDepSetBuilder.Direct(&resourcesNode{
 		resPackage: a.exportPackage,
 		manifest:   a.manifest,
+		rTxt:       a.rTxt,
+		rJar:       a.rJar,
 		assets:     android.OptionalPathForPath(a.assetsPackage),
+
+		usedResourceProcessor: true,
 	})
 	resourcesNodesDepSetBuilder.Transitive(staticResourcesNodesDepSet)
 	a.resourcesNodesDepSet = resourcesNodesDepSetBuilder.Build()
@@ -981,6 +1129,8 @@
 	_ = staticManifestsDepSet
 	a.manifestsDepSet = manifestDepSetBuilder.Build()
 
+	a.transitiveAaptResourcePackages = staticDeps.resPackages()
+
 	a.collectTransitiveHeaderJars(ctx)
 	ctx.SetProvider(JavaInfoProvider, JavaInfo{
 		HeaderJars:                     android.PathsIfNonNil(a.classpathFile),
diff --git a/java/androidmk.go b/java/androidmk.go
index 36271dd..82505e9 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -269,6 +269,7 @@
 				entries.SetPath("LOCAL_SOONG_HEADER_JAR", prebuilt.classpathFile)
 				entries.SetPath("LOCAL_SOONG_CLASSES_JAR", prebuilt.classpathFile)
 				entries.SetPath("LOCAL_SOONG_RESOURCE_EXPORT_PACKAGE", prebuilt.exportPackage)
+				entries.SetPaths("LOCAL_SOONG_TRANSITIVE_RES_PACKAGES", prebuilt.transitiveAaptResourcePackages)
 				entries.SetPath("LOCAL_SOONG_EXPORT_PROGUARD_FLAGS", prebuilt.proguardFlags)
 				entries.SetPath("LOCAL_SOONG_STATIC_LIBRARY_EXTRA_PACKAGES", prebuilt.extraAaptPackagesFile)
 				entries.SetPath("LOCAL_FULL_MANIFEST_FILE", prebuilt.manifest)
@@ -521,6 +522,7 @@
 		}
 
 		entries.SetPath("LOCAL_SOONG_RESOURCE_EXPORT_PACKAGE", a.exportPackage)
+		entries.SetPaths("LOCAL_SOONG_TRANSITIVE_RES_PACKAGES", a.transitiveAaptResourcePackages)
 		entries.SetPath("LOCAL_SOONG_STATIC_LIBRARY_EXTRA_PACKAGES", a.extraAaptPackagesFile)
 		entries.SetPath("LOCAL_FULL_MANIFEST_FILE", a.mergedManifestFile)
 		entries.AddStrings("LOCAL_SOONG_EXPORT_PROGUARD_FLAGS", a.exportedProguardFlagFiles.Strings()...)
diff --git a/java/app.go b/java/app.go
index 8e4efd2..224bc88 100755
--- a/java/app.go
+++ b/java/app.go
@@ -521,7 +521,23 @@
 	a.dexpreopter.preventInstall = a.appProperties.PreventInstall
 
 	if ctx.ModuleName() != "framework-res" {
-		a.Module.compile(ctx, a.aaptSrcJar)
+		var extraSrcJars android.Paths
+		var extraClasspathJars android.Paths
+		var extraCombinedJars android.Paths
+		if a.useResourceProcessorBusyBox() {
+			// When building an app with ResourceProcessorBusyBox enabled ResourceProcessorBusyBox has already
+			// created R.class files that provide IDs for resources in busybox/R.jar.  Pass that file in the
+			// classpath when compiling everything else, and add it to the final classes jar.
+			extraClasspathJars = android.Paths{a.aapt.rJar}
+			extraCombinedJars = android.Paths{a.aapt.rJar}
+		} else {
+			// When building an app without ResourceProcessorBusyBox the aapt2 rule creates R.srcjar containing
+			// R.java files for the app's package and the packages from all transitive static android_library
+			// dependencies.  Compile the srcjar alongside the rest of the sources.
+			extraSrcJars = android.Paths{a.aapt.aaptSrcJar}
+		}
+
+		a.Module.compile(ctx, extraSrcJars, extraClasspathJars, extraCombinedJars)
 	}
 
 	return a.dexJarFile.PathOrNil()
diff --git a/java/app_test.go b/java/app_test.go
index c438b6c..4627ff6 100644
--- a/java/app_test.go
+++ b/java/app_test.go
@@ -722,7 +722,10 @@
 
 func TestAndroidResourceProcessor(t *testing.T) {
 	testCases := []struct {
-		name string
+		name                string
+		appUsesRP           bool
+		directLibUsesRP     bool
+		transitiveLibUsesRP bool
 
 		dontVerifyApp bool
 		appResources  []string
@@ -759,7 +762,12 @@
 		transitiveImportImports    []string
 	}{
 		{
-			name: "legacy",
+			// Test with all modules set to use_resource_processor: false (except android_library_import modules,
+			// which always use resource processor).
+			name:                "legacy",
+			appUsesRP:           false,
+			directLibUsesRP:     false,
+			transitiveLibUsesRP: false,
 
 			appResources: nil,
 			appOverlays: []string{
@@ -771,7 +779,6 @@
 				"out/soong/.intermediates/direct_import/android_common/package-res.apk",
 				"out/soong/.intermediates/app/android_common/aapt2/app/res/values_strings.arsc.flat",
 			},
-
 			appImports: []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
 			appSrcJars: []string{"out/soong/.intermediates/app/android_common/gen/android/R.srcjar"},
 			appClasspath: []string{
@@ -792,7 +799,6 @@
 				"out/soong/.intermediates/transitive_import/android_common/package-res.apk",
 				"out/soong/.intermediates/direct/android_common/aapt2/direct/res/values_strings.arsc.flat",
 			},
-
 			directImports: []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
 			directSrcJars: []string{"out/soong/.intermediates/direct/android_common/gen/android/R.srcjar"},
 			directClasspath: []string{
@@ -814,18 +820,256 @@
 			transitiveCombined:  nil,
 
 			directImportResources: nil,
-			directImportOverlays: []string{
-				"out/soong/.intermediates/direct_import/android_common/flat-res/gen_res.flata",
+			directImportOverlays:  []string{"out/soong/.intermediates/direct_import/android_common/flat-res/gen_res.flata"},
+			directImportImports: []string{
+				"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk",
 				"out/soong/.intermediates/direct_import_dep/android_common/package-res.apk",
 			},
-			directImportImports: []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
 
 			transitiveImportResources: nil,
-			transitiveImportOverlays: []string{
-				"out/soong/.intermediates/transitive_import/android_common/flat-res/gen_res.flata",
+			transitiveImportOverlays:  []string{"out/soong/.intermediates/transitive_import/android_common/flat-res/gen_res.flata"},
+			transitiveImportImports: []string{
+				"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk",
 				"out/soong/.intermediates/transitive_import_dep/android_common/package-res.apk",
 			},
-			transitiveImportImports: []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
+		},
+		{
+			// Test with all modules set to use_resource_processor: true.
+			name:                "resource_processor",
+			appUsesRP:           true,
+			directLibUsesRP:     true,
+			transitiveLibUsesRP: true,
+
+			appResources: nil,
+			appOverlays: []string{
+				"out/soong/.intermediates/transitive/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import/android_common/package-res.apk",
+				"out/soong/.intermediates/direct/android_common/package-res.apk",
+				"out/soong/.intermediates/direct_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/direct_import/android_common/package-res.apk",
+				"out/soong/.intermediates/app/android_common/aapt2/app/res/values_strings.arsc.flat",
+			},
+			appImports: []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
+			appSrcJars: nil,
+			appClasspath: []string{
+				"out/soong/.intermediates/default/java/android_stubs_current/android_common/turbine-combined/android_stubs_current.jar",
+				"out/soong/.intermediates/app/android_common/busybox/R.jar",
+				"out/soong/.intermediates/direct/android_common/turbine-combined/direct.jar",
+				"out/soong/.intermediates/direct_import/android_common/aar/classes-combined.jar",
+			},
+			appCombined: []string{
+				"out/soong/.intermediates/app/android_common/busybox/R.jar",
+				"out/soong/.intermediates/app/android_common/javac/app.jar",
+				"out/soong/.intermediates/direct/android_common/combined/direct.jar",
+				"out/soong/.intermediates/direct_import/android_common/aar/classes-combined.jar",
+			},
+
+			directResources: nil,
+			directOverlays:  []string{"out/soong/.intermediates/direct/android_common/aapt2/direct/res/values_strings.arsc.flat"},
+			directImports: []string{
+				"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive/android_common/package-res.apk",
+			},
+			directSrcJars: nil,
+			directClasspath: []string{
+				"out/soong/.intermediates/default/java/android_stubs_current/android_common/turbine-combined/android_stubs_current.jar",
+				"out/soong/.intermediates/transitive_import/android_common/busybox/R.jar",
+				"out/soong/.intermediates/transitive_import_dep/android_common/busybox/R.jar",
+				"out/soong/.intermediates/transitive/android_common/busybox/R.jar",
+				"out/soong/.intermediates/direct/android_common/busybox/R.jar",
+				"out/soong/.intermediates/transitive/android_common/turbine-combined/transitive.jar",
+				"out/soong/.intermediates/transitive_import/android_common/aar/classes-combined.jar",
+			},
+			directCombined: []string{
+				"out/soong/.intermediates/direct/android_common/javac/direct.jar",
+				"out/soong/.intermediates/transitive/android_common/javac/transitive.jar",
+				"out/soong/.intermediates/transitive_import/android_common/aar/classes-combined.jar",
+			},
+
+			transitiveResources: []string{"out/soong/.intermediates/transitive/android_common/aapt2/transitive/res/values_strings.arsc.flat"},
+			transitiveOverlays:  nil,
+			transitiveImports:   []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
+			transitiveSrcJars:   nil,
+			transitiveClasspath: []string{
+				"out/soong/.intermediates/default/java/android_stubs_current/android_common/turbine-combined/android_stubs_current.jar",
+				"out/soong/.intermediates/transitive/android_common/busybox/R.jar",
+			},
+			transitiveCombined: nil,
+
+			directImportResources: nil,
+			directImportOverlays:  []string{"out/soong/.intermediates/direct_import/android_common/flat-res/gen_res.flata"},
+			directImportImports: []string{
+				"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk",
+				"out/soong/.intermediates/direct_import_dep/android_common/package-res.apk",
+			},
+
+			transitiveImportResources: nil,
+			transitiveImportOverlays:  []string{"out/soong/.intermediates/transitive_import/android_common/flat-res/gen_res.flata"},
+			transitiveImportImports: []string{
+				"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import_dep/android_common/package-res.apk",
+			},
+		}, {
+			// Test an app building with resource processor enabled but with dependencies built without
+			// resource processor.
+			name:                "app_resource_processor",
+			appUsesRP:           true,
+			directLibUsesRP:     false,
+			transitiveLibUsesRP: false,
+
+			appResources: nil,
+			appOverlays: []string{
+				"out/soong/.intermediates/transitive/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import/android_common/package-res.apk",
+				"out/soong/.intermediates/direct/android_common/package-res.apk",
+				"out/soong/.intermediates/direct_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/direct_import/android_common/package-res.apk",
+				"out/soong/.intermediates/app/android_common/aapt2/app/res/values_strings.arsc.flat",
+			},
+			appImports: []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
+			appSrcJars: nil,
+			appClasspath: []string{
+				"out/soong/.intermediates/default/java/android_stubs_current/android_common/turbine-combined/android_stubs_current.jar",
+				// R.jar has to come before direct.jar
+				"out/soong/.intermediates/app/android_common/busybox/R.jar",
+				"out/soong/.intermediates/direct/android_common/turbine-combined/direct.jar",
+				"out/soong/.intermediates/direct_import/android_common/aar/classes-combined.jar",
+			},
+			appCombined: []string{
+				"out/soong/.intermediates/app/android_common/busybox/R.jar",
+				"out/soong/.intermediates/app/android_common/javac/app.jar",
+				"out/soong/.intermediates/direct/android_common/combined/direct.jar",
+				"out/soong/.intermediates/direct_import/android_common/aar/classes-combined.jar",
+			},
+
+			dontVerifyDirect:           true,
+			dontVerifyTransitive:       true,
+			dontVerifyDirectImport:     true,
+			dontVerifyTransitiveImport: true,
+		},
+		{
+			// Test an app building without resource processor enabled but with a dependency built with
+			// resource processor.
+			name:                "app_dependency_lib_resource_processor",
+			appUsesRP:           false,
+			directLibUsesRP:     true,
+			transitiveLibUsesRP: false,
+
+			appOverlays: []string{
+				"out/soong/.intermediates/transitive/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import/android_common/package-res.apk",
+				"out/soong/.intermediates/direct/android_common/package-res.apk",
+				"out/soong/.intermediates/direct_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/direct_import/android_common/package-res.apk",
+				"out/soong/.intermediates/app/android_common/aapt2/app/res/values_strings.arsc.flat",
+			},
+			appImports: []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
+			appSrcJars: []string{"out/soong/.intermediates/app/android_common/gen/android/R.srcjar"},
+			appClasspath: []string{
+				"out/soong/.intermediates/default/java/android_stubs_current/android_common/turbine-combined/android_stubs_current.jar",
+				"out/soong/.intermediates/direct/android_common/turbine-combined/direct.jar",
+				"out/soong/.intermediates/direct_import/android_common/aar/classes-combined.jar",
+			},
+			appCombined: []string{
+				"out/soong/.intermediates/app/android_common/javac/app.jar",
+				"out/soong/.intermediates/direct/android_common/combined/direct.jar",
+				"out/soong/.intermediates/direct_import/android_common/aar/classes-combined.jar",
+			},
+
+			directResources: nil,
+			directOverlays:  []string{"out/soong/.intermediates/direct/android_common/aapt2/direct/res/values_strings.arsc.flat"},
+			directImports: []string{
+				"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive/android_common/package-res.apk",
+			},
+			directSrcJars: nil,
+			directClasspath: []string{
+				"out/soong/.intermediates/default/java/android_stubs_current/android_common/turbine-combined/android_stubs_current.jar",
+				"out/soong/.intermediates/transitive_import/android_common/busybox/R.jar",
+				"out/soong/.intermediates/transitive_import_dep/android_common/busybox/R.jar",
+				"out/soong/.intermediates/direct/android_common/busybox/R.jar",
+				"out/soong/.intermediates/transitive/android_common/turbine-combined/transitive.jar",
+				"out/soong/.intermediates/transitive_import/android_common/aar/classes-combined.jar",
+			},
+			directCombined: []string{
+				"out/soong/.intermediates/direct/android_common/javac/direct.jar",
+				"out/soong/.intermediates/transitive/android_common/javac/transitive.jar",
+				"out/soong/.intermediates/transitive_import/android_common/aar/classes-combined.jar",
+			},
+
+			dontVerifyTransitive:       true,
+			dontVerifyDirectImport:     true,
+			dontVerifyTransitiveImport: true,
+		},
+		{
+			// Test a library building without resource processor enabled but with a dependency built with
+			// resource processor.
+			name:                "lib_dependency_lib_resource_processor",
+			appUsesRP:           false,
+			directLibUsesRP:     false,
+			transitiveLibUsesRP: true,
+
+			appOverlays: []string{
+				"out/soong/.intermediates/transitive/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import/android_common/package-res.apk",
+				"out/soong/.intermediates/direct/android_common/package-res.apk",
+				"out/soong/.intermediates/direct_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/direct_import/android_common/package-res.apk",
+				"out/soong/.intermediates/app/android_common/aapt2/app/res/values_strings.arsc.flat",
+			},
+			appImports: []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
+			appSrcJars: []string{"out/soong/.intermediates/app/android_common/gen/android/R.srcjar"},
+			appClasspath: []string{
+				"out/soong/.intermediates/default/java/android_stubs_current/android_common/turbine-combined/android_stubs_current.jar",
+				"out/soong/.intermediates/direct/android_common/turbine-combined/direct.jar",
+				"out/soong/.intermediates/direct_import/android_common/aar/classes-combined.jar",
+			},
+			appCombined: []string{
+				"out/soong/.intermediates/app/android_common/javac/app.jar",
+				"out/soong/.intermediates/direct/android_common/combined/direct.jar",
+				"out/soong/.intermediates/direct_import/android_common/aar/classes-combined.jar",
+			},
+
+			directResources: nil,
+			directOverlays: []string{
+				"out/soong/.intermediates/transitive/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import_dep/android_common/package-res.apk",
+				"out/soong/.intermediates/transitive_import/android_common/package-res.apk",
+				"out/soong/.intermediates/direct/android_common/aapt2/direct/res/values_strings.arsc.flat",
+			},
+			directImports: []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
+			directSrcJars: []string{"out/soong/.intermediates/direct/android_common/gen/android/R.srcjar"},
+			directClasspath: []string{
+				"out/soong/.intermediates/default/java/android_stubs_current/android_common/turbine-combined/android_stubs_current.jar",
+				"out/soong/.intermediates/transitive/android_common/turbine-combined/transitive.jar",
+				"out/soong/.intermediates/transitive_import/android_common/aar/classes-combined.jar",
+			},
+			directCombined: []string{
+				"out/soong/.intermediates/direct/android_common/javac/direct.jar",
+				"out/soong/.intermediates/transitive/android_common/javac/transitive.jar",
+				"out/soong/.intermediates/transitive_import/android_common/aar/classes-combined.jar",
+			},
+
+			transitiveResources: []string{"out/soong/.intermediates/transitive/android_common/aapt2/transitive/res/values_strings.arsc.flat"},
+			transitiveOverlays:  nil,
+			transitiveImports:   []string{"out/soong/.intermediates/default/java/framework-res/android_common/package-res.apk"},
+			transitiveSrcJars:   nil,
+			transitiveClasspath: []string{
+				"out/soong/.intermediates/default/java/android_stubs_current/android_common/turbine-combined/android_stubs_current.jar",
+				"out/soong/.intermediates/transitive/android_common/busybox/R.jar",
+			},
+			transitiveCombined: nil,
+
+			dontVerifyDirectImport:     true,
+			dontVerifyTransitiveImport: true,
 		},
 	}
 
@@ -839,6 +1083,7 @@
 					resource_dirs: ["app/res"],
 					manifest: "app/AndroidManifest.xml",
 					static_libs: ["direct", "direct_import"],
+					use_resource_processor: %v,
 				}
 
 				android_library {
@@ -848,6 +1093,7 @@
 					resource_dirs: ["direct/res"],
 					manifest: "direct/AndroidManifest.xml",
 					static_libs: ["transitive", "transitive_import"],
+					use_resource_processor: %v,
 				}
 
 				android_library {
@@ -856,6 +1102,7 @@
 					srcs: ["transitive/transitive.java"],
 					resource_dirs: ["transitive/res"],
 					manifest: "transitive/AndroidManifest.xml",
+					use_resource_processor: %v,
 				}
 
 				android_library_import {
@@ -883,7 +1130,7 @@
 					sdk_version: "current",
 					aars: ["transitive_import_dep.aar"],
 				}
-			`)
+			`, testCase.appUsesRP, testCase.directLibUsesRP, testCase.transitiveLibUsesRP)
 
 			fs := android.MockFS{
 				"app/res/values/strings.xml":        nil,
diff --git a/java/base.go b/java/base.go
index 2293f64..f5eb01c 100644
--- a/java/base.go
+++ b/java/base.go
@@ -1065,7 +1065,7 @@
 	module.properties.Generated_srcjars = append(module.properties.Generated_srcjars, path)
 }
 
-func (j *Module) compile(ctx android.ModuleContext, aaptSrcJar android.Path) {
+func (j *Module) compile(ctx android.ModuleContext, extraSrcJars, extraClasspathJars, extraCombinedJars android.Paths) {
 	j.exportAidlIncludeDirs = android.PathsForModuleSrc(ctx, j.deviceProperties.Aidl.Export_include_dirs)
 
 	deps := j.collectDeps(ctx)
@@ -1103,9 +1103,7 @@
 
 	srcJars := srcFiles.FilterByExt(".srcjar")
 	srcJars = append(srcJars, deps.srcJars...)
-	if aaptSrcJar != nil {
-		srcJars = append(srcJars, aaptSrcJar)
-	}
+	srcJars = append(srcJars, extraSrcJars...)
 	srcJars = append(srcJars, j.properties.Generated_srcjars...)
 	srcFiles = srcFiles.FilterOutByExt(".srcjar")
 
@@ -1148,6 +1146,11 @@
 	var kotlinJars android.Paths
 	var kotlinHeaderJars android.Paths
 
+	// Prepend extraClasspathJars to classpath so that the resource processor R.jar comes before
+	// any dependencies so that it can override any non-final R classes from dependencies with the
+	// final R classes from the app.
+	flags.classpath = append(android.CopyOf(extraClasspathJars), flags.classpath...)
+
 	if srcFiles.HasExt(".kt") {
 		// When using kotlin sources turbine is used to generate annotation processor sources,
 		// including for annotation processors that generate API, so we can use turbine for
@@ -1241,8 +1244,9 @@
 			// allow for the use of annotation processors that do function correctly
 			// with sharding enabled. See: b/77284273.
 		}
+		extraJars := append(android.CopyOf(extraCombinedJars), kotlinHeaderJars...)
 		headerJarFileWithoutDepsOrJarjar, j.headerJarFile =
-			j.compileJavaHeader(ctx, uniqueJavaFiles, srcJars, deps, flags, jarName, kotlinHeaderJars)
+			j.compileJavaHeader(ctx, uniqueJavaFiles, srcJars, deps, flags, jarName, extraJars)
 		if ctx.Failed() {
 			return
 		}
@@ -1393,6 +1397,8 @@
 		jars = append(jars, servicesJar)
 	}
 
+	jars = append(android.CopyOf(extraCombinedJars), jars...)
+
 	// Combine the classes built from sources, any manifests, and any static libraries into
 	// classes.jar. If there is only one input jar this step will be skipped.
 	var outputFile android.OutputPath
diff --git a/java/config/config.go b/java/config/config.go
index 195dae1..83c27d3 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -148,6 +148,8 @@
 	pctx.SourcePathVariable("JavaKytheExtractorJar", "prebuilts/build-tools/common/framework/javac_extractor.jar")
 	pctx.SourcePathVariable("Ziptime", "prebuilts/build-tools/${hostPrebuiltTag}/bin/ziptime")
 
+	pctx.SourcePathVariable("ResourceProcessorBusyBox", "prebuilts/bazel/common/android_tools/android_tools/all_android_tools_deploy.jar")
+
 	pctx.HostBinToolVariable("GenKotlinBuildFileCmd", "gen-kotlin-build-file")
 
 	pctx.SourcePathVariable("JarArgsCmd", "build/soong/scripts/jar-args.sh")
diff --git a/java/java.go b/java/java.go
index 20d9afc..f29f738 100644
--- a/java/java.go
+++ b/java/java.go
@@ -699,7 +699,7 @@
 		j.dexpreopter.uncompressedDex = *j.dexProperties.Uncompress_dex
 		j.classLoaderContexts = j.usesLibrary.classLoaderContextForUsesLibDeps(ctx)
 	}
-	j.compile(ctx, nil)
+	j.compile(ctx, nil, nil, nil)
 
 	// Collect the module directory for IDE info in java/jdeps.go.
 	j.modulePaths = append(j.modulePaths, ctx.ModuleDir())
@@ -2819,12 +2819,8 @@
 	hasKotlin bool
 }
 
-// Replaces //a/b/my_xsd_config with //a/b/my_xsd_config-java
-func xsdConfigJavaTarget(ctx android.BazelConversionPathContext, mod blueprint.Module) string {
-	callback := func(xsd android.XsdConfigBp2buildTargets) string {
-		return xsd.JavaBp2buildTargetName()
-	}
-	return android.XsdConfigBp2buildTarget(ctx, mod, callback)
+func javaXsdTargetName(xsd android.XsdConfigBp2buildTargets) string {
+	return xsd.JavaBp2buildTargetName()
 }
 
 // convertLibraryAttrsBp2Build returns a javaCommonAttributes struct with
@@ -2835,21 +2831,14 @@
 func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext) (*javaCommonAttributes, *bp2BuildJavaInfo) {
 	var srcs bazel.LabelListAttribute
 	var deps bazel.LabelListAttribute
-	var staticDeps bazel.LabelList
+	var staticDeps bazel.LabelListAttribute
 
 	archVariantProps := m.GetArchVariantProperties(ctx, &CommonProperties{})
 	for axis, configToProps := range archVariantProps {
 		for config, _props := range configToProps {
 			if archProps, ok := _props.(*CommonProperties); ok {
-				srcsNonXsd, srcsXsd := android.PartitionXsdSrcs(ctx, archProps.Srcs)
-				excludeSrcsNonXsd, _ := android.PartitionXsdSrcs(ctx, archProps.Exclude_srcs)
-				archSrcs := android.BazelLabelForModuleSrcExcludes(ctx, srcsNonXsd, excludeSrcsNonXsd)
+				archSrcs := android.BazelLabelForModuleSrcExcludes(ctx, archProps.Srcs, archProps.Exclude_srcs)
 				srcs.SetSelectValue(axis, config, archSrcs)
-
-				// Add to static deps
-				xsdJavaConfigLibraryLabels := android.BazelLabelForModuleDepsWithFn(ctx, srcsXsd, xsdConfigJavaTarget)
-				staticDeps.Append(xsdJavaConfigLibraryLabels)
-
 			}
 		}
 	}
@@ -2857,6 +2846,7 @@
 
 	javaSrcPartition := "java"
 	protoSrcPartition := "proto"
+	xsdSrcPartition := "xsd"
 	logtagSrcPartition := "logtag"
 	aidlSrcPartition := "aidl"
 	kotlinPartition := "kotlin"
@@ -2865,6 +2855,7 @@
 		logtagSrcPartition: bazel.LabelPartition{Extensions: []string{".logtags", ".logtag"}},
 		protoSrcPartition:  android.ProtoSrcLabelPartition,
 		aidlSrcPartition:   android.AidlSrcLabelPartition,
+		xsdSrcPartition:    bazel.LabelPartition{LabelMapper: android.XsdLabelMapper(javaXsdTargetName)},
 		kotlinPartition:    bazel.LabelPartition{Extensions: []string{".kt"}},
 	})
 
@@ -2872,6 +2863,8 @@
 	kotlinSrcs := srcPartitions[kotlinPartition]
 	javaSrcs.Append(kotlinSrcs)
 
+	staticDeps.Append(srcPartitions[xsdSrcPartition])
+
 	if !srcPartitions[logtagSrcPartition].IsEmpty() {
 		logtagsLibName := m.Name() + "_logtags"
 		ctx.CreateBazelTargetModule(
@@ -2925,7 +2918,7 @@
 			},
 		)
 
-		staticDeps.Add(&bazel.Label{Label: ":" + javaAidlLibName})
+		staticDeps.Append(bazel.MakeSingleLabelListAttribute(bazel.Label{Label: ":" + javaAidlLibName}))
 	}
 
 	var javacopts bazel.StringListAttribute //[]string
@@ -2980,7 +2973,9 @@
 	// by protoc are included directly in the resulting JAR. Thus upstream dependencies
 	// that depend on a java_library with proto sources can link directly to the protobuf API,
 	// and so this should be a static dependency.
-	staticDeps.Add(protoDepLabel)
+	if protoDepLabel != nil {
+		staticDeps.Append(bazel.MakeSingleLabelListAttribute(*protoDepLabel))
+	}
 
 	depLabels := &javaDependencyLabels{}
 	depLabels.Deps = deps
@@ -2995,7 +2990,7 @@
 			}
 		}
 	}
-	depLabels.StaticDeps.Value.Append(staticDeps)
+	depLabels.StaticDeps.Append(staticDeps)
 
 	hasKotlin := !kotlinSrcs.IsEmpty()
 	commonAttrs.kotlinAttributes = &kotlinAttributes{
diff --git a/rust/config/arm64_device.go b/rust/config/arm64_device.go
index ae783e8..08ac2ef 100644
--- a/rust/config/arm64_device.go
+++ b/rust/config/arm64_device.go
@@ -26,11 +26,18 @@
 	Arm64LinkFlags            = []string{}
 
 	Arm64ArchVariantRustFlags = map[string][]string{
-		"armv8-a":            []string{},
-		"armv8-a-branchprot": []string{},
-		"armv8-2a":           []string{},
-		"armv8-2a-dotprod":   []string{},
-		"armv9-a":            []string{},
+		"armv8-a": []string{},
+		"armv8-a-branchprot": []string{
+			// branch-protection=bti,pac-ret is equivalent to Clang's mbranch-protection=standard
+			"-Z branch-protection=bti,pac-ret",
+		},
+		"armv8-2a":         []string{},
+		"armv8-2a-dotprod": []string{},
+		"armv9-a": []string{
+			// branch-protection=bti,pac-ret is equivalent to Clang's mbranch-protection=standard
+			"-Z branch-protection=bti,pac-ret",
+			"-Z stack-protector=none",
+		},
 	}
 )
 
diff --git a/starlark_import/unmarshal.go b/starlark_import/unmarshal.go
index 33c0cd9..b243471 100644
--- a/starlark_import/unmarshal.go
+++ b/starlark_import/unmarshal.go
@@ -34,6 +34,9 @@
 		return reflect.ValueOf(value), nil
 	}
 	zero := reflect.Zero(ty)
+	if value == nil {
+		panic("nil value")
+	}
 	var result reflect.Value
 	if ty.Kind() == reflect.Interface {
 		var err error
diff --git a/ui/build/config.go b/ui/build/config.go
index fb5f7dd..e5c9a50 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -374,6 +374,11 @@
 		if err := loadEnvConfig(ctx, ret, bc); err != nil {
 			ctx.Fatalln("Failed to parse env config files: %v", err)
 		}
+		if !ret.canSupportRBE() {
+			// Explicitly set USE_RBE env variable to false when we cannot run
+			// an RBE build to avoid ninja local execution pool issues.
+			ret.environ.Set("USE_RBE", "false")
+		}
 	}
 
 	if distDir, ok := ret.environ.Get("DIST_DIR"); ok {
@@ -1374,18 +1379,26 @@
 	return true
 }
 
+func (c *configImpl) canSupportRBE() bool {
+	// Do not use RBE with prod credentials in scenarios when stubby doesn't exist, since
+	// its unlikely that we will be able to obtain necessary creds without stubby.
+	authType, _ := c.rbeAuth()
+	if !c.StubbyExists() && strings.Contains(authType, "use_google_prod_creds") {
+		return false
+	}
+	return true
+}
+
 func (c *configImpl) UseRBE() bool {
 	// These alternate modes of running Soong do not use RBE / reclient.
 	if c.Bp2Build() || c.Queryview() || c.ApiBp2build() || c.JsonModuleGraph() {
 		return false
 	}
 
-	authType, _ := c.rbeAuth()
-	// Do not use RBE with prod credentials in scenarios when stubby doesn't exist, since
-	// its unlikely that we will be able to obtain necessary creds without stubby.
-	if !c.StubbyExists() && strings.Contains(authType, "use_google_prod_creds") {
+	if !c.canSupportRBE() {
 		return false
 	}
+
 	if v, ok := c.Environment().Get("USE_RBE"); ok {
 		v = strings.TrimSpace(v)
 		if v != "" && v != "false" {