Merge "Prebuilt stub not available to platform is handled correctly"
diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index 7d8d12f..d810726 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -26,6 +26,8 @@
 	"strings"
 	"sync"
 
+	"android/soong/bazel"
+	"android/soong/shared"
 	"github.com/google/blueprint/bootstrap"
 )
 
@@ -68,6 +70,7 @@
 	outputBase   string
 	workspaceDir string
 	buildDir     string
+	metricsDir   string
 
 	requests     map[cqueryKey]bool // cquery requests that have not yet been issued to Bazel
 	requestMutex sync.Mutex         // requests can be written in parallel
@@ -153,6 +156,11 @@
 	} else {
 		missingEnvVars = append(missingEnvVars, "BAZEL_WORKSPACE")
 	}
+	if len(c.Getenv("BAZEL_METRICS_DIR")) > 1 {
+		bazelCtx.metricsDir = c.Getenv("BAZEL_METRICS_DIR")
+	} else {
+		missingEnvVars = append(missingEnvVars, "BAZEL_METRICS_DIR")
+	}
 	if len(missingEnvVars) > 0 {
 		return nil, errors.New(fmt.Sprintf("missing required env vars to use bazel: %s", missingEnvVars))
 	} else {
@@ -160,6 +168,10 @@
 	}
 }
 
+func (context *bazelContext) BazelMetricsDir() string {
+	return context.metricsDir
+}
+
 func (context *bazelContext) BazelEnabled() bool {
 	return true
 }
@@ -189,12 +201,13 @@
 	return ""
 }
 
-func (context *bazelContext) issueBazelCommand(command string, labels []string,
+func (context *bazelContext) issueBazelCommand(runName bazel.RunName, command string, labels []string,
 	extraFlags ...string) (string, error) {
 
 	cmdFlags := []string{"--output_base=" + context.outputBase, command}
 	cmdFlags = append(cmdFlags, labels...)
 	cmdFlags = append(cmdFlags, "--package_path=%workspace%/"+context.intermediatesDir())
+	cmdFlags = append(cmdFlags, "--profile="+shared.BazelMetricsFilename(context, runName))
 	cmdFlags = append(cmdFlags, extraFlags...)
 
 	bazelCmd := exec.Command(context.bazelPath, cmdFlags...)
@@ -341,7 +354,7 @@
 		return err
 	}
 	buildroot_label := "//:buildroot"
-	cqueryOutput, err = context.issueBazelCommand("cquery",
+	cqueryOutput, err = context.issueBazelCommand(bazel.CqueryBuildRootRunName, "cquery",
 		[]string{fmt.Sprintf("deps(%s)", buildroot_label)},
 		"--output=starlark",
 		"--starlark:file="+cquery_file_relpath)
@@ -371,7 +384,7 @@
 	// bazel actions should either be added to the Ninja file and executed later,
 	// or bazel should handle execution.
 	// TODO(cparsons): Use --target_pattern_file to avoid command line limits.
-	_, err = context.issueBazelCommand("build", []string{buildroot_label})
+	_, err = context.issueBazelCommand(bazel.BazelBuildPhonyRootRunName, "build", []string{buildroot_label})
 
 	if err != nil {
 		return err
diff --git a/android/prebuilt.go b/android/prebuilt.go
index bb98ed4..8114a65 100644
--- a/android/prebuilt.go
+++ b/android/prebuilt.go
@@ -17,6 +17,7 @@
 import (
 	"fmt"
 	"reflect"
+	"strings"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
@@ -74,6 +75,12 @@
 	srcsPropertyName string
 }
 
+// RemoveOptionalPrebuiltPrefix returns the result of removing the "prebuilt_" prefix from the
+// supplied name if it has one, or returns the name unmodified if it does not.
+func RemoveOptionalPrebuiltPrefix(name string) string {
+	return strings.TrimPrefix(name, "prebuilt_")
+}
+
 func (p *Prebuilt) Name(name string) string {
 	return "prebuilt_" + name
 }
diff --git a/apex/allowed_deps.txt b/apex/allowed_deps.txt
index a2f8797..0239166 100644
--- a/apex/allowed_deps.txt
+++ b/apex/allowed_deps.txt
@@ -346,6 +346,7 @@
 libnetd_resolv(minSdkVersion:29)
 libnetdbinder_utils_headers(minSdkVersion:29)
 libnetdutils(minSdkVersion:29)
+libnetjniutils(minSdkVersion:29)
 libnetworkstackutilsjni(minSdkVersion:29)
 libneuralnetworks(minSdkVersion:(no version))
 libneuralnetworks_common(minSdkVersion:(no version))
@@ -420,6 +421,7 @@
 media_plugin_headers(minSdkVersion:29)
 mediaswcodec(minSdkVersion:29)
 metrics-constants-protos(minSdkVersion:29)
+modules-utils-build(minSdkVersion:29)
 ndk_crtbegin_so.19(minSdkVersion:(no version))
 ndk_crtbegin_so.21(minSdkVersion:(no version))
 ndk_crtbegin_so.27(minSdkVersion:(no version))
diff --git a/apex/apex.go b/apex/apex.go
index 2a81b9b..261284c 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -728,7 +728,9 @@
 
 var ApexBundleInfoProvider = blueprint.NewMutatorProvider(ApexBundleInfo{}, "apex_info")
 
-// apexInfoMutator is responsible for collecting modules that need to have apex variants. They are
+var _ ApexInfoMutator = (*apexBundle)(nil)
+
+// ApexInfoMutator is responsible for collecting modules that need to have apex variants. They are
 // identified by doing a graph walk starting from an apexBundle. Basically, all the (direct and
 // indirect) dependencies are collected. But a few types of modules that shouldn't be included in
 // the apexBundle (e.g. stub libraries) are not collected. Note that a single module can be depended
@@ -739,15 +741,7 @@
 // The apexMutator uses that list to create module variants for the apexes to which it belongs.
 // The relationship between module variants and apexes is not one-to-one as variants will be
 // shared between compatible apexes.
-func apexInfoMutator(mctx android.TopDownMutatorContext) {
-	if !mctx.Module().Enabled() {
-		return
-	}
-
-	a, ok := mctx.Module().(*apexBundle)
-	if !ok {
-		return
-	}
+func (a *apexBundle) ApexInfoMutator(mctx android.TopDownMutatorContext) {
 
 	// The VNDK APEX is special. For the APEX, the membership is described in a very different
 	// way. There is no dependency from the VNDK APEX to the VNDK libraries. Instead, VNDK
@@ -826,6 +820,25 @@
 	})
 }
 
+type ApexInfoMutator interface {
+	// ApexInfoMutator implementations must call BuildForApex(ApexInfo) on any modules that are
+	// depended upon by an apex and which require an apex specific variant.
+	ApexInfoMutator(android.TopDownMutatorContext)
+}
+
+// apexInfoMutator delegates the work of identifying which modules need an ApexInfo and apex
+// specific variant to modules that support the ApexInfoMutator.
+func apexInfoMutator(mctx android.TopDownMutatorContext) {
+	if !mctx.Module().Enabled() {
+		return
+	}
+
+	if a, ok := mctx.Module().(ApexInfoMutator); ok {
+		a.ApexInfoMutator(mctx)
+		return
+	}
+}
+
 // apexUniqueVariationsMutator checks if any dependencies use unique apex variations. If so, use
 // unique apex variations for this module. See android/apex.go for more about unique apex variant.
 // TODO(jiyong): move this to android/apex.go?
@@ -2165,7 +2178,7 @@
 func normalizeModuleName(moduleName string) string {
 	// Prebuilt modules (e.g. java_import, etc.) have "prebuilt_" prefix added by the build
 	// system. Trim the prefix for the check since they are confusing
-	moduleName = strings.TrimPrefix(moduleName, "prebuilt_")
+	moduleName = android.RemoveOptionalPrebuiltPrefix(moduleName)
 	if strings.HasPrefix(moduleName, "libclang_rt.") {
 		// This module has many arch variants that depend on the product being built.
 		// We don't want to list them all
diff --git a/bazel/Android.bp b/bazel/Android.bp
index 0113726..d557be5 100644
--- a/bazel/Android.bp
+++ b/bazel/Android.bp
@@ -2,6 +2,7 @@
     name: "soong-bazel",
     pkgPath: "android/soong/bazel",
     srcs: [
+        "constants.go",
         "properties.go",
     ],
     pluginFor: [
diff --git a/bazel/constants.go b/bazel/constants.go
new file mode 100644
index 0000000..15c75cf
--- /dev/null
+++ b/bazel/constants.go
@@ -0,0 +1,26 @@
+package bazel
+
+type RunName string
+
+// Below is a list bazel execution run names used through out the
+// Platform Build systems. Each run name represents an unique key
+// to query the bazel metrics.
+const (
+	// Perform a bazel build of the phony root to generate symlink forests
+	// for dependencies of the bazel build.
+	BazelBuildPhonyRootRunName = RunName("bazel-build-phony-root")
+
+	// Perform aquery of the bazel build root to retrieve action information.
+	AqueryBuildRootRunName = RunName("aquery-buildroot")
+
+	// Perform cquery of the Bazel build root and its dependencies.
+	CqueryBuildRootRunName = RunName("cquery-buildroot")
+
+	// Run bazel as a ninja executer
+	BazelNinjaExecRunName = RunName("bazel-ninja-exec")
+)
+
+// String returns the name of the run.
+func (c RunName) String() string {
+	return string(c)
+}
diff --git a/cc/cc.go b/cc/cc.go
index 0e58436..afdf85b 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -2750,7 +2750,7 @@
 func baseLibName(depName string) string {
 	libName := strings.TrimSuffix(depName, llndkLibrarySuffix)
 	libName = strings.TrimSuffix(libName, vendorPublicLibrarySuffix)
-	libName = strings.TrimPrefix(libName, "prebuilt_")
+	libName = android.RemoveOptionalPrebuiltPrefix(libName)
 	return libName
 }
 
diff --git a/cc/config/vndk.go b/cc/config/vndk.go
index 8a0d7bd..4bcad4b 100644
--- a/cc/config/vndk.go
+++ b/cc/config/vndk.go
@@ -22,6 +22,7 @@
 	"android.hardware.light-ndk_platform",
 	"android.hardware.identity-ndk_platform",
 	"android.hardware.nfc@1.2",
+	"android.hardware.memtrack-unstable-ndk_platform",
 	"android.hardware.power-ndk_platform",
 	"android.hardware.rebootescrow-ndk_platform",
 	"android.hardware.security.keymint-unstable-ndk_platform",
diff --git a/scripts/build-aml-prebuilts.sh b/scripts/build-aml-prebuilts.sh
index de22c45..1be3b8a 100755
--- a/scripts/build-aml-prebuilts.sh
+++ b/scripts/build-aml-prebuilts.sh
@@ -54,6 +54,11 @@
 PLATFORM_VERSION_ALL_CODENAMES="${PLATFORM_VERSION_ALL_CODENAMES/,/'","'}"
 PLATFORM_VERSION_ALL_CODENAMES="[\"${PLATFORM_VERSION_ALL_CODENAMES}\"]"
 
+# Get the list of missing <uses-library> modules and convert it to a JSON array
+# (quote module names, add comma separator and wrap in brackets).
+MISSING_USES_LIBRARIES="$(my_get_build_var INTERNAL_PLATFORM_MISSING_USES_LIBRARIES)"
+MISSING_USES_LIBRARIES="[$(echo $MISSING_USES_LIBRARIES | sed -e 's/\([^ ]\+\)/\"\1\"/g' -e 's/[ ]\+/, /g')]"
+
 # Logic from build/make/core/goma.mk
 if [ "${USE_GOMA}" = true ]; then
   if [ -n "${GOMA_DIR}" ]; then
@@ -81,6 +86,7 @@
 {
     "BuildNumberFile": "build_number.txt",
 
+    "Platform_version_name": "${PLATFORM_VERSION}",
     "Platform_sdk_version": ${PLATFORM_SDK_VERSION},
     "Platform_sdk_codename": "${PLATFORM_VERSION}",
     "Platform_version_active_codenames": ${PLATFORM_VERSION_ALL_CODENAMES},
@@ -100,7 +106,9 @@
         "art_module": {
             "source_build": "${ENABLE_ART_SOURCE_BUILD:-false}"
         }
-    }
+    },
+
+    "MissingUsesLibraries": ${MISSING_USES_LIBRARIES}
 }
 EOF
 
diff --git a/scripts/build-mainline-modules.sh b/scripts/build-mainline-modules.sh
index b8dd7aa..6db870f 100755
--- a/scripts/build-mainline-modules.sh
+++ b/scripts/build-mainline-modules.sh
@@ -16,15 +16,16 @@
 MODULES_SDK_AND_EXPORTS=(
   art-module-sdk
   art-module-test-exports
+  conscrypt-module-host-exports
   conscrypt-module-sdk
   conscrypt-module-test-exports
-  conscrypt-module-host-exports
-  runtime-module-sdk
-  runtime-module-host-exports
-  i18n-module-test-exports
+  i18n-module-host-exports
   i18n-module-sdk
+  i18n-module-test-exports
   platform-mainline-sdk
   platform-mainline-test-exports
+  runtime-module-host-exports
+  runtime-module-sdk
 )
 
 # List of libraries installed on the platform that are needed for ART chroot
diff --git a/scripts/build-ndk-prebuilts.sh b/scripts/build-ndk-prebuilts.sh
index b6ed659..1a33219 100755
--- a/scripts/build-ndk-prebuilts.sh
+++ b/scripts/build-ndk-prebuilts.sh
@@ -30,6 +30,11 @@
 PLATFORM_VERSION_ALL_CODENAMES=${PLATFORM_VERSION_ALL_CODENAMES/,/'","'}
 PLATFORM_VERSION_ALL_CODENAMES="[\"${PLATFORM_VERSION_ALL_CODENAMES}\"]"
 
+# Get the list of missing <uses-library> modules and convert it to a JSON array
+# (quote module names, add comma separator and wrap in brackets).
+MISSING_USES_LIBRARIES="$(get_build_var INTERNAL_PLATFORM_MISSING_USES_LIBRARIES)"
+MISSING_USES_LIBRARIES="[$(echo $MISSING_USES_LIBRARIES | sed -e 's/\([^ ]\+\)/\"\1\"/g' -e 's/[ ]\+/, /g')]"
+
 SOONG_OUT=${OUT_DIR}/soong
 SOONG_NDK_OUT=${OUT_DIR}/soong/ndk
 rm -rf ${SOONG_OUT}
@@ -49,7 +54,9 @@
     "Safestack": false,
 
     "Ndk_abis": true,
-    "Exclude_draft_ndk_apis": true
+    "Exclude_draft_ndk_apis": true,
+
+    "MissingUsesLibraries": ${MISSING_USES_LIBRARIES}
 }
 EOF
 m --skip-make ${SOONG_OUT}/ndk.timestamp
diff --git a/shared/Android.bp b/shared/Android.bp
index 07dfe11..2a4f56f 100644
--- a/shared/Android.bp
+++ b/shared/Android.bp
@@ -4,4 +4,7 @@
     srcs: [
         "paths.go",
     ],
+    deps: [
+        "soong-bazel",
+    ],
 }
diff --git a/shared/paths.go b/shared/paths.go
index f5dc5dd..1b9ff60 100644
--- a/shared/paths.go
+++ b/shared/paths.go
@@ -18,6 +18,8 @@
 
 import (
 	"path/filepath"
+
+	"android/soong/bazel"
 )
 
 // A SharedPaths represents a list of paths that are shared between
@@ -37,6 +39,6 @@
 // on the action name. This is to help to store a set of bazel
 // profiles since bazel may execute multiple times during a single
 // build.
-func BazelMetricsFilename(s SharedPaths, actionName string) string {
-	return filepath.Join(s.BazelMetricsDir(), actionName+"_bazel_profile.gz")
+func BazelMetricsFilename(s SharedPaths, actionName bazel.RunName) string {
+	return filepath.Join(s.BazelMetricsDir(), actionName.String()+"_bazel_profile.gz")
 }
diff --git a/ui/build/bazel.go b/ui/build/bazel.go
index 4f2d645..81ce939 100644
--- a/ui/build/bazel.go
+++ b/ui/build/bazel.go
@@ -22,6 +22,7 @@
 	"path/filepath"
 	"strings"
 
+	"android/soong/bazel"
 	"android/soong/shared"
 	"android/soong/ui/metrics"
 )
@@ -97,9 +98,9 @@
 	}
 
 	// Start constructing the `build` command.
-	actionName := "build"
+	actionName := bazel.BazelNinjaExecRunName
 	cmd.Args = append(cmd.Args,
-		actionName,
+		"build",
 		// Use output_groups to select the set of outputs to produce from a
 		// ninja_build target.
 		"--output_groups="+outputGroups,
diff --git a/ui/build/soong.go b/ui/build/soong.go
index 08c2ee1..6a93672 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -156,6 +156,7 @@
 		cmd.Environment.Set("BAZEL_HOME", filepath.Join(config.BazelOutDir(), "bazelhome"))
 		cmd.Environment.Set("BAZEL_OUTPUT_BASE", filepath.Join(config.BazelOutDir(), "output"))
 		cmd.Environment.Set("BAZEL_WORKSPACE", absPath(ctx, "."))
+		cmd.Environment.Set("BAZEL_METRICS_DIR", config.BazelMetricsDir())
 
 		cmd.Environment.Set("SOONG_SANDBOX_SOONG_BUILD", "true")
 		cmd.Sandbox = soongSandbox