Merge "Fix api_fingerprint.txt generation"

	if ctx.Config().PlatformSdkCodename() == "REL" {

		cmd.Text("echo REL >").Output(out)

	} else if !ctx.Config().AlwaysUsePrebuiltSdks() {

		in, err := ctx.GlobWithDeps("frameworks/base/api/*current.txt", nil)

		if err != nil {

			ctx.Errorf("error globbing API files: %s", err)

	} else if ctx.Config().FrameworksBaseDirExists(ctx) && !ctx.Config().AlwaysUsePrebuiltSdks() {

		cmd.Text("cat")

		apiTxtFileModules := []string{

			"frameworks-base-api-current.txt",

			"frameworks-base-api-system-current.txt",

			"frameworks-base-api-module-lib-current.txt",

		}

		count := 0

		ctx.VisitAllModules(func(module android.Module) {

			name := ctx.ModuleName(module)

			if android.InList(name, apiTxtFileModules) {

				cmd.Inputs(android.OutputFilesForModule(ctx, module, ""))

				count++

			}

		cmd.Text("cat").

			Inputs(android.PathsForSource(ctx, in)).

		})

		if count != len(apiTxtFileModules) {

			ctx.Errorf("Could not find all the expected API modules %v, found %d\n", apiTxtFileModules, count)

			return

		}

		cmd.Input(android.PathForSource(ctx, "frameworks/base/services/api/current.txt")).

			Text("| md5sum | cut -d' ' -f1 >").

			Output(out)

	} else {