Declare manifest as input to test config fixer. am: f192d55382 am: 425dd46e31

Change-Id: I069a927b21f907db64091c9e3cb6a3d4158a1431
diff --git a/java/app.go b/java/app.go
index aa9c78c..14850ae 100755
--- a/java/app.go
+++ b/java/app.go
@@ -646,7 +646,7 @@
 		fixedConfig := android.PathForModuleOut(ctx, "test_config_fixer", "AndroidTest.xml")
 		rule := android.NewRuleBuilder()
 		rule.Command().BuiltTool(ctx, "test_config_fixer").
-			FlagWithArg("--manifest ", a.manifestPath.String()).
+			FlagWithInput("--manifest ", a.manifestPath).
 			FlagWithArg("--package-name ", *a.overridableAppProperties.Package_name).
 			Input(a.testConfig).
 			Output(fixedConfig)