CarrierNetworkConfig: Catch security exception on reg content observer

This method could return a Security Exception on devices which do not
have the corresponding provider registered.
Note: Carrier config provider does not exist on tv cuttlefish target.

Bug: 139477017
Test: None
Change-Id: I10859dd98cd07725c377c87c7efd8fcec258b2af
1 file changed
tree: b3d760aed0e84e019afcc6de76de1f351e4a8f0c
  1. service/
  2. PREUPLOAD.cfg