Merge changes from topic "soong_tests_ndk"

* changes:
  Make apex use cc.GatherRequiredDepsForTests
  Move NDK test modules into cc/testing.go

java/app_test.go

@@ -1858,42 +1858,6 @@ func TestAndroidTestImport_NoJinUncompressForPresigned(t *testing.T) {
 
 func TestStl(t *testing.T) {
 	ctx, _ := testJava(t, cc.GatherRequiredDepsForTest(android.Android)+`
-		cc_library {
-			name: "ndk_libunwind",
-			sdk_version: "current",
-			stl: "none",
-			system_shared_libs: [],
-		}
-
-		cc_library {
-			name: "libc.ndk.current",
-			sdk_version: "current",
-			stl: "none",
-			system_shared_libs: [],
-		}
-
-		cc_library {
-			name: "libm.ndk.current",
-			sdk_version: "current",
-			stl: "none",
-			system_shared_libs: [],
-		}
-
-		cc_library {
-			name: "libdl.ndk.current",
-			sdk_version: "current",
-			stl: "none",
-			system_shared_libs: [],
-		}
-
-		cc_object {
-			name: "ndk_crtbegin_so.27",
-		}
-
-		cc_object {
-			name: "ndk_crtend_so.27",
-		}
-
 		cc_library {
 			name: "libjni",
 			sdk_version: "current",
@@ -1914,10 +1878,6 @@ func TestStl(t *testing.T) {
 			compile_multilib: "both",
 			sdk_version: "current",
 		}
-
-		ndk_prebuilt_shared_stl {
-			name: "ndk_libc++_shared",
-		}
 		`)
 
 	testCases := []struct {

java/java_test.go

@@ -92,7 +92,6 @@ func testContext() *android.TestContext {
 
 	// Register module types and mutators from cc needed for JNI testing
 	cc.RegisterRequiredBuildComponentsForTest(ctx)
-	ctx.RegisterModuleType("ndk_prebuilt_shared_stl", cc.NdkPrebuiltSharedStlFactory)
 
 	dexpreopt.RegisterToolModulesForTest(ctx)
 

java/testing.go

@@ -18,6 +18,7 @@ import (
 	"fmt"
 
 	"android/soong/android"
+	"android/soong/cc"
 )
 
 func TestConfig(buildDir string, env map[string]string, bp string, fs map[string][]byte) android.Config {
@@ -52,8 +53,6 @@ func TestConfig(buildDir string, env map[string]string, bp string, fs map[string
 		"assets_a/a":             nil,
 		"assets_b/b":             nil,
 
-		"prebuilts/ndk/current/sources/cxx-stl/llvm-libc++/libs/arm64-v8a/libc++_shared.so": nil,
-
 		"prebuilts/sdk/14/public/android.jar":         nil,
 		"prebuilts/sdk/14/public/framework.aidl":      nil,
 		"prebuilts/sdk/14/system/android.jar":         nil,
@@ -122,6 +121,8 @@ func TestConfig(buildDir string, env map[string]string, bp string, fs map[string
 		"stubs/sources/foo/Foo.java": nil,
 	}
 
+	cc.GatherRequiredFilesForTest(mockFS)
+
 	for k, v := range fs {
 		mockFS[k] = v
 	}