Merge "Change permission level for MEDIA_RESOURCE_OVERRIDE_PID"

    <!-- This permission is required by Media Resource Manager Service when

         accessing its overridePid Api.

         <p>Protection level: signature|privileged

         <p>Protection level: signature

         <p>Not for use by third-party applications.

         @hide -->

    <permission android:name="android.permission.MEDIA_RESOURCE_OVERRIDE_PID"

         android:protectionLevel="signature|privileged" />

         android:protectionLevel="signature" />

    <!-- Must be required by a {@link android.media.routing.MediaRouteService}

         to ensure that only the system can interact with it.