TIF: protect PARENTAL_CONTROLS_ENABLED_CHANGED broadcast

Test: build and test manually to see if warnings are eliminated
Bug: 36898338
Change-Id: Ifea0844926677fad24f7df2ade31cd299099b639
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 0a50048..a73f543 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -528,6 +528,7 @@
     <protected-broadcast android:name="com.android.internal.autofill.action.REQUEST_AUTOFILL" />
     <protected-broadcast android:name="android.app.action.APPLICATION_DELEGATION_SCOPES_CHANGED" />
     <protected-broadcast android:name="com.android.server.wm.ACTION_REVOKE_SYSTEM_ALERT_WINDOW_PERMISSION" />
+    <protected-broadcast android:name="android.media.tv.action.PARENTAL_CONTROLS_ENABLED_CHANGED" />
 
     <protected-broadcast android:name="android.content.pm.action.SESSION_COMMITTED" />
     <protected-broadcast android:name="android.os.action.USER_RESTRICTIONS_CHANGED" />