Copy exportable artifacts to module sdk snapshot

This change modifies the copy rules of the sdk_library when generating
the module sdk snapshots so that the exportable artifacts (annotations
zip, api file, removed api file, srcjar file) are copied instead of the
everything artifacts.

In order to satisfy the prebuilts compatibility, this feature is flag
guarded by the build flag "RELEASE_HIDDEN_API_EXPORTABLE_STUBS"

Test: m --no-skip-soong-tests
Bug: 315027929
Change-Id: I8bf5bb1f196aa9b5db78ba4677caa5f4337e3021
diff --git a/sdk/bootclasspath_fragment_sdk_test.go b/sdk/bootclasspath_fragment_sdk_test.go
index 62e4ad0..15d9c59 100644
--- a/sdk/bootclasspath_fragment_sdk_test.go
+++ b/sdk/bootclasspath_fragment_sdk_test.go
@@ -270,6 +270,12 @@
 		// Add a platform_bootclasspath that depends on the fragment.
 		fixtureAddPlatformBootclasspathForBootclasspathFragment("myapex", "mybootclasspathfragment"),
 
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
+
 		android.FixtureWithRootAndroidBp(sdk+`
 			apex {
 				name: "myapex",
@@ -489,15 +495,15 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
 .intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
-.intermediates/myothersdklibrary.stubs/android_common/combined/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
-.intermediates/myothersdklibrary.stubs.source/android_common/everything/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
-.intermediates/myothersdklibrary.stubs.source/android_common/everything/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
-.intermediates/mycoreplatform.stubs/android_common/combined/mycoreplatform.stubs.jar -> sdk_library/public/mycoreplatform-stubs.jar
-.intermediates/mycoreplatform.stubs.source/android_common/everything/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
-.intermediates/mycoreplatform.stubs.source/android_common/everything/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
+.intermediates/myothersdklibrary.stubs.exportable/android_common/combined/myothersdklibrary.stubs.exportable.jar -> sdk_library/public/myothersdklibrary-stubs.jar
+.intermediates/myothersdklibrary.stubs.source/android_common/exportable/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
+.intermediates/myothersdklibrary.stubs.source/android_common/exportable/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mycoreplatform.stubs.exportable/android_common/combined/mycoreplatform.stubs.exportable.jar -> sdk_library/public/mycoreplatform-stubs.jar
+.intermediates/mycoreplatform.stubs.source/android_common/exportable/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
+.intermediates/mycoreplatform.stubs.source/android_common/exportable/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
 `)
 	})
 
@@ -509,15 +515,15 @@
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
 .intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
-.intermediates/myothersdklibrary.stubs/android_common/combined/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
-.intermediates/myothersdklibrary.stubs.source/android_common/everything/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
-.intermediates/myothersdklibrary.stubs.source/android_common/everything/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
-.intermediates/mycoreplatform.stubs/android_common/combined/mycoreplatform.stubs.jar -> sdk_library/public/mycoreplatform-stubs.jar
-.intermediates/mycoreplatform.stubs.source/android_common/everything/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
-.intermediates/mycoreplatform.stubs.source/android_common/everything/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
+.intermediates/myothersdklibrary.stubs.exportable/android_common/combined/myothersdklibrary.stubs.exportable.jar -> sdk_library/public/myothersdklibrary-stubs.jar
+.intermediates/myothersdklibrary.stubs.source/android_common/exportable/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
+.intermediates/myothersdklibrary.stubs.source/android_common/exportable/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mycoreplatform.stubs.exportable/android_common/combined/mycoreplatform.stubs.exportable.jar -> sdk_library/public/mycoreplatform-stubs.jar
+.intermediates/mycoreplatform.stubs.source/android_common/exportable/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
+.intermediates/mycoreplatform.stubs.source/android_common/exportable/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
 `
 	t.Run("added-via-apex", func(t *testing.T) {
 		testSnapshotWithBootClasspathFragment_Contents(t, `
@@ -760,6 +766,12 @@
 		// Add a platform_bootclasspath that depends on the fragment.
 		fixtureAddPlatformBootclasspathForBootclasspathFragment("myapex", "mybootclasspathfragment"),
 
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildFlags = map[string]string{
+				"RELEASE_HIDDEN_API_EXPORTABLE_STUBS": "true",
+			}
+		}),
+
 		android.MockFS{
 			"my-blocked.txt":                   nil,
 			"my-max-target-o-low-priority.txt": nil,
@@ -963,12 +975,12 @@
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
 .intermediates/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
-.intermediates/mynewlibrary.stubs/android_common/combined/mynewlibrary.stubs.jar -> sdk_library/public/mynewlibrary-stubs.jar
-.intermediates/mynewlibrary.stubs.source/android_common/everything/mynewlibrary.stubs.source_api.txt -> sdk_library/public/mynewlibrary.txt
-.intermediates/mynewlibrary.stubs.source/android_common/everything/mynewlibrary.stubs.source_removed.txt -> sdk_library/public/mynewlibrary-removed.txt
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mynewlibrary.stubs.exportable/android_common/combined/mynewlibrary.stubs.exportable.jar -> sdk_library/public/mynewlibrary-stubs.jar
+.intermediates/mynewlibrary.stubs.source/android_common/exportable/mynewlibrary.stubs.source_api.txt -> sdk_library/public/mynewlibrary.txt
+.intermediates/mynewlibrary.stubs.source/android_common/exportable/mynewlibrary.stubs.source_removed.txt -> sdk_library/public/mynewlibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
 `),
 		snapshotTestPreparer(checkSnapshotWithoutSource, preparerForSnapshot),
 		snapshotTestPreparer(checkSnapshotWithSourcePreferred, preparerForSnapshot),
@@ -1101,9 +1113,9 @@
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi-for-sdk-snapshot/index.csv -> hiddenapi/index.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi-for-sdk-snapshot/stub-flags.csv -> hiddenapi/stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi-for-sdk-snapshot/all-flags.csv -> hiddenapi/all-flags.csv
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
 `
 
 		// On S the stub flags should only be generated from mysdklibrary as mynewsdklibrary is not part
@@ -1179,12 +1191,12 @@
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-stub-flags.csv -> hiddenapi/filtered-stub-flags.csv
 .intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/filtered-flags.csv -> hiddenapi/filtered-flags.csv
-.intermediates/mysdklibrary.stubs/android_common/combined/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/everything/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
-.intermediates/mynewsdklibrary.stubs/android_common/combined/mynewsdklibrary.stubs.jar -> sdk_library/public/mynewsdklibrary-stubs.jar
-.intermediates/mynewsdklibrary.stubs.source/android_common/everything/mynewsdklibrary.stubs.source_api.txt -> sdk_library/public/mynewsdklibrary.txt
-.intermediates/mynewsdklibrary.stubs.source/android_common/everything/mynewsdklibrary.stubs.source_removed.txt -> sdk_library/public/mynewsdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs.exportable/android_common/combined/mysdklibrary.stubs.exportable.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/exportable/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mynewsdklibrary.stubs.exportable/android_common/combined/mynewsdklibrary.stubs.exportable.jar -> sdk_library/public/mynewsdklibrary-stubs.jar
+.intermediates/mynewsdklibrary.stubs.source/android_common/exportable/mynewsdklibrary.stubs.source_api.txt -> sdk_library/public/mynewsdklibrary.txt
+.intermediates/mynewsdklibrary.stubs.source/android_common/exportable/mynewsdklibrary.stubs.source_removed.txt -> sdk_library/public/mynewsdklibrary-removed.txt
 `
 
 		// On tiramisu the stub flags should be generated from both mynewsdklibrary and mysdklibrary as