Add updatable_media_stubs to prevent private API use.

Bug: 123551910, Bug: 123253805
Test: build
Change-Id: Id46ff05fa01db726d613ee2299b0c27921c88aae
diff --git a/java/java_test.go b/java/java_test.go
index a0b8952..a8cbfd1 100644
--- a/java/java_test.go
+++ b/java/java_test.go
@@ -117,6 +117,7 @@
 		"core-lambda-stubs",
 		"framework",
 		"ext",
+		"updatable_media_stubs",
 		"android_stubs_current",
 		"android_system_stubs_current",
 		"android_test_stubs_current",
@@ -955,7 +956,7 @@
 		checkPatchModuleFlag(t, ctx, "foo", "")
 		expected := "java.base=.:" + buildDir
 		checkPatchModuleFlag(t, ctx, "bar", expected)
-		expected = "java.base=" + strings.Join([]string{".", buildDir, moduleToPath("ext"), moduleToPath("framework")}, ":")
+		expected = "java.base=" + strings.Join([]string{".", buildDir, moduleToPath("ext"), moduleToPath("framework"), moduleToPath("updatable_media_stubs")}, ":")
 		checkPatchModuleFlag(t, ctx, "baz", expected)
 	})
 }