Expose all dangerous permission to Permission controller

The permission controller is built agains @system-api. It needs to be
able to access all dangerous system-permissions as it needs to manage
them.

Test: Built
Bug: 110953302
Change-Id: I41f5e60bf53888039fa1fd1060a27f29e9418009
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 2976879..62896be 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -746,7 +746,7 @@
         android:description="@string/permdesc_receiveMms"
         android:protectionLevel="dangerous" />
 
-    <!-- @TestApi Allows an application to read previously received cell broadcast
+    <!-- @SystemApi @TestApi Allows an application to read previously received cell broadcast
          messages and to register a content observer to get notifications when
          a cell broadcast has been received and added to the database. For
          emergency alerts, the database is updated immediately after the