Merge "Remove starlark_import" into main
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index 6612a6f..795a0aa 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -311,18 +311,16 @@
 }
 
 func (f *filesystem) buildPropFile(ctx android.ModuleContext) (propFile android.OutputPath, toolDeps android.Paths) {
-	type prop struct {
-		name  string
-		value string
-	}
-
-	var props []prop
 	var deps android.Paths
+	var propFileString strings.Builder
 	addStr := func(name string, value string) {
-		props = append(props, prop{name, value})
+		propFileString.WriteString(name)
+		propFileString.WriteRune('=')
+		propFileString.WriteString(value)
+		propFileString.WriteRune('\n')
 	}
 	addPath := func(name string, path android.Path) {
-		props = append(props, prop{name, path.String()})
+		addStr(name, path.String())
 		deps = append(deps, path)
 	}
 
@@ -376,15 +374,7 @@
 		addStr("hash_seed", uuid)
 	}
 	propFile = android.PathForModuleOut(ctx, "prop").OutputPath
-	builder := android.NewRuleBuilder(pctx, ctx)
-	builder.Command().Text("rm").Flag("-rf").Output(propFile)
-	for _, p := range props {
-		builder.Command().
-			Text("echo").
-			Flag(`"` + p.name + "=" + p.value + `"`).
-			Text(">>").Output(propFile)
-	}
-	builder.Build("build_filesystem_prop", fmt.Sprintf("Creating filesystem props for %s", f.BaseModuleName()))
+	android.WriteFileRuleVerbatim(ctx, propFile, propFileString.String())
 	return propFile, deps
 }
 
diff --git a/java/base.go b/java/base.go
index f11e30d..d8ccec6 100644
--- a/java/base.go
+++ b/java/base.go
@@ -95,6 +95,9 @@
 	// if not blank, used as prefix to generate repackage rule
 	Jarjar_prefix *string
 
+	// if set to true, skip the jarjar repackaging
+	Skip_jarjar_repackage *bool
+
 	// If not blank, set the java version passed to javac as -source and -target
 	Java_version *string
 
@@ -1101,11 +1104,13 @@
 	jarjarProviderData := j.collectJarJarRules(ctx)
 	if jarjarProviderData != nil {
 		android.SetProvider(ctx, JarJarProvider, *jarjarProviderData)
-		text := getJarJarRuleText(jarjarProviderData)
-		if text != "" {
-			ruleTextFile := android.PathForModuleOut(ctx, "repackaged-jarjar", "repackaging.txt")
-			android.WriteFileRule(ctx, ruleTextFile, text)
-			j.repackageJarjarRules = ruleTextFile
+		if !proptools.Bool(j.properties.Skip_jarjar_repackage) {
+			text := getJarJarRuleText(jarjarProviderData)
+			if text != "" {
+				ruleTextFile := android.PathForModuleOut(ctx, "repackaged-jarjar", "repackaging.txt")
+				android.WriteFileRule(ctx, ruleTextFile, text)
+				j.repackageJarjarRules = ruleTextFile
+			}
 		}
 	}
 
diff --git a/java/config/config.go b/java/config/config.go
index 6a945ac..d720046 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -131,12 +131,7 @@
 		if override := ctx.Config().Getenv("OVERRIDE_JLINK_VERSION_NUMBER"); override != "" {
 			return override
 		}
-		switch ctx.Config().Getenv("EXPERIMENTAL_USE_OPENJDK21_TOOLCHAIN") {
-		case "true":
-			return "21"
-		default:
-			return "17"
-		}
+		return "21"
 	})
 
 	pctx.SourcePathVariable("JavaToolchain", "${JavaHome}/bin")
diff --git a/ui/build/config.go b/ui/build/config.go
index 1a25397..3143b6b 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -386,22 +386,21 @@
 
 	// Configure Java-related variables, including adding it to $PATH
 	java8Home := filepath.Join("prebuilts/jdk/jdk8", ret.HostPrebuiltTag())
-	java17Home := filepath.Join("prebuilts/jdk/jdk17", ret.HostPrebuiltTag())
 	java21Home := filepath.Join("prebuilts/jdk/jdk21", ret.HostPrebuiltTag())
 	javaHome := func() string {
 		if override, ok := ret.environ.Get("OVERRIDE_ANDROID_JAVA_HOME"); ok {
 			return override
 		}
-		if ret.environ.IsEnvTrue("EXPERIMENTAL_USE_OPENJDK21_TOOLCHAIN") {
-			return java21Home
-		}
 		if toolchain11, ok := ret.environ.Get("EXPERIMENTAL_USE_OPENJDK11_TOOLCHAIN"); ok && toolchain11 != "true" {
-			ctx.Fatalln("The environment variable EXPERIMENTAL_USE_OPENJDK11_TOOLCHAIN is no longer supported. An OpenJDK 11 toolchain is now the global default.")
+			ctx.Fatalln("The environment variable EXPERIMENTAL_USE_OPENJDK11_TOOLCHAIN is no longer supported. An OpenJDK 21 toolchain is now the global default.")
 		}
 		if toolchain17, ok := ret.environ.Get("EXPERIMENTAL_USE_OPENJDK17_TOOLCHAIN"); ok && toolchain17 != "true" {
-			ctx.Fatalln("The environment variable EXPERIMENTAL_USE_OPENJDK17_TOOLCHAIN is no longer supported. An OpenJDK 17 toolchain is now the global default.")
+			ctx.Fatalln("The environment variable EXPERIMENTAL_USE_OPENJDK17_TOOLCHAIN is no longer supported. An OpenJDK 21 toolchain is now the global default.")
 		}
-		return java17Home
+		if toolchain21, ok := ret.environ.Get("EXPERIMENTAL_USE_OPENJDK21_TOOLCHAIN"); ok && toolchain21 != "true" {
+			ctx.Fatalln("The environment variable EXPERIMENTAL_USE_OPENJDK21_TOOLCHAIN is no longer supported. An OpenJDK 21 toolchain is now the global default.")
+		}
+		return java21Home
 	}()
 	absJavaHome := absPath(ctx, javaHome)
 
diff --git a/ui/build/rbe.go b/ui/build/rbe.go
index fa04207..5142a41 100644
--- a/ui/build/rbe.go
+++ b/ui/build/rbe.go
@@ -163,7 +163,7 @@
 		return
 	}
 	fmt.Fprintln(ctx.Writer, "")
-	fmt.Fprintln(ctx.Writer, "\033[33mWARNING: Missing LOAS credentials, please run `gcert`. This will result in failing builds in the future, see go/rbe-android-default-announcement.\033[0m")
+	fmt.Fprintln(ctx.Writer, "\033[33mWARNING: Missing LOAS credentials, please run `gcert`. This is required for a successful build execution. See go/rbe-android-default-announcement for more information.\033[0m")
 	fmt.Fprintln(ctx.Writer, "")
 }