Rename the Default* constants in java/config.

These values are used in two out of the many possible sdk_version
configurations, and therefore weren't really defaults in any
meaningful sense. Giving them more descriptive names makes the code
easier to follow.

Bug: 157640067
Test: m nothing
Change-Id: Icf38a9c0be2606ad0478929e1b40dfcee36cddef
diff --git a/java/config/config.go b/java/config/config.go
index bb5be3a..0351009 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -28,12 +28,11 @@
 var (
 	pctx = android.NewPackageContext("android/soong/java/config")
 
-	// TODO(b/157640067): Don't depend on the legacy API by default in the long term.
-	DefaultBootclasspathLibraries = []string{"legacy.core.platform.api.stubs", "core-lambda-stubs"}
-	DefaultSystemModules          = "legacy-core-platform-api-stubs-system-modules"
-	DefaultLibraries              = []string{"ext", "framework"}
-	DefaultLambdaStubsLibrary     = "core-lambda-stubs"
-	SdkLambdaStubsPath            = "prebuilts/sdk/tools/core-lambda-stubs.jar"
+	LegacyCorePlatformBootclasspathLibraries = []string{"legacy.core.platform.api.stubs", "core-lambda-stubs"}
+	LegacyCorePlatformSystemModules          = "legacy-core-platform-api-stubs-system-modules"
+	FrameworkLibraries                       = []string{"ext", "framework"}
+	DefaultLambdaStubsLibrary                = "core-lambda-stubs"
+	SdkLambdaStubsPath                       = "prebuilts/sdk/tools/core-lambda-stubs.jar"
 
 	DefaultJacocoExcludeFilter = []string{"org.junit.*", "org.jacoco.*", "org.mockito.*"}
 
diff --git a/java/config/makevars.go b/java/config/makevars.go
index 981a736..29f1f9b 100644
--- a/java/config/makevars.go
+++ b/java/config/makevars.go
@@ -25,9 +25,11 @@
 }
 
 func makeVarsProvider(ctx android.MakeVarsContext) {
-	ctx.Strict("TARGET_DEFAULT_JAVA_LIBRARIES", strings.Join(DefaultLibraries, " "))
-	ctx.Strict("TARGET_DEFAULT_BOOTCLASSPATH_LIBRARIES", strings.Join(DefaultBootclasspathLibraries, " "))
-	ctx.Strict("DEFAULT_SYSTEM_MODULES", DefaultSystemModules)
+	ctx.Strict("FRAMEWORK_LIBRARIES", strings.Join(FrameworkLibraries, " "))
+
+	// These are used by make when LOCAL_PRIVATE_PLATFORM_APIS is set (equivalent to platform_apis in blueprint):
+	ctx.Strict("LEGACY_CORE_PLATFORM_BOOTCLASSPATH_LIBRARIES", strings.Join(LegacyCorePlatformBootclasspathLibraries, " "))
+	ctx.Strict("LEGACY_CORE_PLATFORM_SYSTEM_MODULES", LegacyCorePlatformSystemModules)
 
 	ctx.Strict("ANDROID_JAVA_HOME", "${JavaHome}")
 	ctx.Strict("ANDROID_JAVA8_HOME", "prebuilts/jdk/jdk8/${hostPrebuiltTag}")
diff --git a/java/droiddoc.go b/java/droiddoc.go
index e14814b..61bdc88 100644
--- a/java/droiddoc.go
+++ b/java/droiddoc.go
@@ -441,10 +441,10 @@
 	if ctx.Device() {
 		sdkDep := decodeSdkDep(ctx, sdkContext(j))
 		if sdkDep.useDefaultLibs {
-			ctx.AddVariationDependencies(nil, bootClasspathTag, config.DefaultBootclasspathLibraries...)
-			ctx.AddVariationDependencies(nil, systemModulesTag, config.DefaultSystemModules)
+			ctx.AddVariationDependencies(nil, bootClasspathTag, config.LegacyCorePlatformBootclasspathLibraries...)
+			ctx.AddVariationDependencies(nil, systemModulesTag, config.LegacyCorePlatformSystemModules)
 			if sdkDep.hasFrameworkLibs() {
-				ctx.AddVariationDependencies(nil, libTag, config.DefaultLibraries...)
+				ctx.AddVariationDependencies(nil, libTag, config.FrameworkLibraries...)
 			}
 		} else if sdkDep.useModule {
 			ctx.AddVariationDependencies(nil, bootClasspathTag, sdkDep.bootclasspath...)
diff --git a/java/java.go b/java/java.go
index 7a42557..f9d939b 100644
--- a/java/java.go
+++ b/java/java.go
@@ -695,17 +695,17 @@
 
 		sdkDep := decodeSdkDep(ctx, sdkContext(j))
 		if sdkDep.useDefaultLibs {
-			ctx.AddVariationDependencies(nil, bootClasspathTag, config.DefaultBootclasspathLibraries...)
-			ctx.AddVariationDependencies(nil, systemModulesTag, config.DefaultSystemModules)
+			ctx.AddVariationDependencies(nil, bootClasspathTag, config.LegacyCorePlatformBootclasspathLibraries...)
+			ctx.AddVariationDependencies(nil, systemModulesTag, config.LegacyCorePlatformSystemModules)
 			if sdkDep.hasFrameworkLibs() {
-				ctx.AddVariationDependencies(nil, libTag, config.DefaultLibraries...)
+				ctx.AddVariationDependencies(nil, libTag, config.FrameworkLibraries...)
 			}
 		} else if sdkDep.useModule {
 			ctx.AddVariationDependencies(nil, bootClasspathTag, sdkDep.bootclasspath...)
 			ctx.AddVariationDependencies(nil, java9LibTag, sdkDep.java9Classpath...)
 			if j.deviceProperties.EffectiveOptimizeEnabled() && sdkDep.hasStandardLibs() {
-				ctx.AddVariationDependencies(nil, proguardRaiseTag, config.DefaultBootclasspathLibraries...)
-				ctx.AddVariationDependencies(nil, proguardRaiseTag, config.DefaultLibraries...)
+				ctx.AddVariationDependencies(nil, proguardRaiseTag, config.LegacyCorePlatformBootclasspathLibraries...)
+				ctx.AddVariationDependencies(nil, proguardRaiseTag, config.FrameworkLibraries...)
 			}
 		}
 		if sdkDep.systemModules != "" {
diff --git a/java/sdk_test.go b/java/sdk_test.go
index e5d322c..773a70c 100644
--- a/java/sdk_test.go
+++ b/java/sdk_test.go
@@ -49,27 +49,27 @@
 	}{
 		{
 			name:           "default",
-			bootclasspath:  config.DefaultBootclasspathLibraries,
-			system:         config.DefaultSystemModules,
-			java8classpath: config.DefaultLibraries,
-			java9classpath: config.DefaultLibraries,
+			bootclasspath:  config.LegacyCorePlatformBootclasspathLibraries,
+			system:         config.LegacyCorePlatformSystemModules,
+			java8classpath: config.FrameworkLibraries,
+			java9classpath: config.FrameworkLibraries,
 			aidl:           "-Iframework/aidl",
 		},
 		{
 			name:           `sdk_version:"core_platform"`,
 			properties:     `sdk_version:"core_platform"`,
-			bootclasspath:  config.DefaultBootclasspathLibraries,
-			system:         config.DefaultSystemModules,
+			bootclasspath:  config.LegacyCorePlatformBootclasspathLibraries,
+			system:         config.LegacyCorePlatformSystemModules,
 			java8classpath: []string{},
 			aidl:           "",
 		},
 		{
 			name:           "blank sdk version",
 			properties:     `sdk_version: "",`,
-			bootclasspath:  config.DefaultBootclasspathLibraries,
-			system:         config.DefaultSystemModules,
-			java8classpath: config.DefaultLibraries,
-			java9classpath: config.DefaultLibraries,
+			bootclasspath:  config.LegacyCorePlatformBootclasspathLibraries,
+			system:         config.LegacyCorePlatformSystemModules,
+			java8classpath: config.FrameworkLibraries,
+			java9classpath: config.FrameworkLibraries,
 			aidl:           "-Iframework/aidl",
 		},
 		{