Make sure notifications from the default sms app do not get filtered to the non-interruptive section.

Bug: 123365364
Test: Unit tests and manual testing.
Change-Id: Ide41ff9656ee81aa4fc6f6bcdd00ae886a0e13ee
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 7a261a9..29726a8 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -4404,7 +4404,7 @@
         {@link android.provider.Telephony.Intents#ACTION_DEFAULT_SMS_PACKAGE_CHANGED_INTERNAL}
         broadcast -->
     <permission android:name="android.permission.MONITOR_DEFAULT_SMS_PACKAGE"
-        android:protectionLevel="signature" />
+        android:protectionLevel="signature|privileged" />
 
     <!-- A subclass of {@link android.app.SmsAppService} must be protected with this permission. -->
     <permission android:name="android.permission.BIND_SMS_APP_SERVICE"