Add apexes property to sdk

Specifying an apex in the apexes propety will cause all the
*classpath_fragments that are contents of the APEX to be automatically
added as members of the sdk and appear in the snapshot.

The purpose of this change is to dedup the APEX and sdk definitions and
try and avoid some of the issues that we have been finding while
attempting to build against the prebuilts.

Two tests, one each for bootclasspath_fragment and
systemserverclasspath_fragment, have been refactored to compare the
output when adding the *fragment to the sdk directly of via the APEX.
That ensures switching to use the APEX will not change the sdk snapshot
unless it was previously missing a *fragment.

There was also a slight difference in where the hidden API flags were
copied from. That should have no impact on the output as the flags are
identical.

The sdk snapshot generation needed some tweaks to avoid generating a
prebuilt for the APEX.

Bug: 232401814
Test: m nothing
Change-Id: I7aaf16a3a0ab4bebf97765d1484215cc008dc4b8
diff --git a/sdk/bootclasspath_fragment_sdk_test.go b/sdk/bootclasspath_fragment_sdk_test.go
index 93ad172..13ddbe7 100644
--- a/sdk/bootclasspath_fragment_sdk_test.go
+++ b/sdk/bootclasspath_fragment_sdk_test.go
@@ -190,7 +190,7 @@
 	android.AssertStringDoesContain(t, "boot jars package check", command, expectedCommandArgs)
 }
 
-func TestSnapshotWithBootClasspathFragment_Contents(t *testing.T) {
+func testSnapshotWithBootClasspathFragment_Contents(t *testing.T, sdk string, copyRules string) {
 	result := android.GroupFixturePreparers(
 		prepareForSdkTestWithJava,
 		java.PrepareForTestWithJavaDefaultModules,
@@ -202,19 +202,7 @@
 		// Add a platform_bootclasspath that depends on the fragment.
 		fixtureAddPlatformBootclasspathForBootclasspathFragment("myapex", "mybootclasspathfragment"),
 
-		android.FixtureWithRootAndroidBp(`
-			sdk {
-				name: "mysdk",
-				bootclasspath_fragments: ["mybootclasspathfragment"],
-				java_sdk_libs: [
-					// This is not strictly needed as it should be automatically added to the sdk_snapshot as
-					// a java_sdk_libs module because it is used in the mybootclasspathfragment's
-					// api.stub_libs property. However, it is specified here to ensure that duplicates are
-					// correctly deduped.
-					"mysdklibrary",
-				],
-			}
-
+		android.FixtureWithRootAndroidBp(sdk+`
 			apex {
 				name: "myapex",
 				key: "myapex.key",
@@ -373,24 +361,7 @@
     },
 }
 		`),
-		checkAllCopyRules(`
-.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
-.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
-.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
-.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
-.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/javac/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
-.intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
-.intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
-.intermediates/mysdklibrary.stubs/android_common/javac/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
-.intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
-.intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
-.intermediates/mycoreplatform.stubs/android_common/javac/mycoreplatform.stubs.jar -> sdk_library/public/mycoreplatform-stubs.jar
-.intermediates/mycoreplatform.stubs.source/android_common/metalava/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
-.intermediates/mycoreplatform.stubs.source/android_common/metalava/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
-`),
+		checkAllCopyRules(copyRules),
 		snapshotTestPreparer(checkSnapshotWithoutSource, preparerForSnapshot),
 		snapshotTestChecker(checkSnapshotWithoutSource, func(t *testing.T, result *android.TestResult) {
 			module := result.ModuleForTests("platform-bootclasspath", "android_common")
@@ -427,6 +398,89 @@
 	)
 }
 
+func TestSnapshotWithBootClasspathFragment_Contents(t *testing.T) {
+	t.Run("added-directly", func(t *testing.T) {
+		testSnapshotWithBootClasspathFragment_Contents(t, `
+			sdk {
+				name: "mysdk",
+				bootclasspath_fragments: ["mybootclasspathfragment"],
+				java_sdk_libs: [
+					// This is not strictly needed as it should be automatically added to the sdk_snapshot as
+					// a java_sdk_libs module because it is used in the mybootclasspathfragment's
+					// api.stub_libs property. However, it is specified here to ensure that duplicates are
+					// correctly deduped.
+					"mysdklibrary",
+				],
+			}
+		`, `
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
+.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/signature-patterns.csv -> hiddenapi/signature-patterns.csv
+.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/javac/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
+.intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
+.intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs/android_common/javac/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mycoreplatform.stubs/android_common/javac/mycoreplatform.stubs.jar -> sdk_library/public/mycoreplatform-stubs.jar
+.intermediates/mycoreplatform.stubs.source/android_common/metalava/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
+.intermediates/mycoreplatform.stubs.source/android_common/metalava/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
+`)
+	})
+
+	copyBootclasspathFragmentFromApexVariantRules := `
+.intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
+.intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
+.intermediates/mybootclasspathfragment/android_common_myapex/modular-hiddenapi/index.csv -> hiddenapi/index.csv
+.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/mysdk/common_os/empty -> java_boot_libs/snapshot/jars/are/invalid/mybootlib.jar
+.intermediates/myothersdklibrary.stubs/android_common/javac/myothersdklibrary.stubs.jar -> sdk_library/public/myothersdklibrary-stubs.jar
+.intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_api.txt -> sdk_library/public/myothersdklibrary.txt
+.intermediates/myothersdklibrary.stubs.source/android_common/metalava/myothersdklibrary.stubs.source_removed.txt -> sdk_library/public/myothersdklibrary-removed.txt
+.intermediates/mysdklibrary.stubs/android_common/javac/mysdklibrary.stubs.jar -> sdk_library/public/mysdklibrary-stubs.jar
+.intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_api.txt -> sdk_library/public/mysdklibrary.txt
+.intermediates/mysdklibrary.stubs.source/android_common/metalava/mysdklibrary.stubs.source_removed.txt -> sdk_library/public/mysdklibrary-removed.txt
+.intermediates/mycoreplatform.stubs/android_common/javac/mycoreplatform.stubs.jar -> sdk_library/public/mycoreplatform-stubs.jar
+.intermediates/mycoreplatform.stubs.source/android_common/metalava/mycoreplatform.stubs.source_api.txt -> sdk_library/public/mycoreplatform.txt
+.intermediates/mycoreplatform.stubs.source/android_common/metalava/mycoreplatform.stubs.source_removed.txt -> sdk_library/public/mycoreplatform-removed.txt
+`
+	t.Run("added-via-apex", func(t *testing.T) {
+		testSnapshotWithBootClasspathFragment_Contents(t, `
+			sdk {
+				name: "mysdk",
+				apexes: ["myapex"],
+			}
+		`, copyBootclasspathFragmentFromApexVariantRules)
+	})
+
+	t.Run("added-directly-and-indirectly", func(t *testing.T) {
+		testSnapshotWithBootClasspathFragment_Contents(t, `
+			sdk {
+				name: "mysdk",
+				apexes: ["myapex"],
+				// This is not strictly needed as it should be automatically added to the sdk_snapshot as
+				// a bootclasspath_fragments module because it is used in the myapex's
+				// bootclasspath_fragments property. However, it is specified here to ensure that duplicates
+				// are correctly deduped.
+				bootclasspath_fragments: ["mybootclasspathfragment"],
+				java_sdk_libs: [
+					// This is not strictly needed as it should be automatically added to the sdk_snapshot as
+					// a java_sdk_libs module because it is used in the mybootclasspathfragment's
+					// api.stub_libs property. However, it is specified here to ensure that duplicates are
+					// correctly deduped.
+					"mysdklibrary",
+				],
+			}
+		`, copyBootclasspathFragmentFromApexVariantRules)
+	})
+}
+
 // TestSnapshotWithBootClasspathFragment_Fragments makes sure that the fragments property of a
 // bootclasspath_fragment is correctly output to the sdk snapshot.
 func TestSnapshotWithBootClasspathFragment_Fragments(t *testing.T) {