Declared ONSProfileResultReceiver as protected-broadcast so that, only system can send this broadcast.

Bug: 211962198
Test: Manual. Connect the device to internet and insert CBRS pSIM. After download complete (Log: 'EuiccServiceImpl.onDownloadSubscription: onDownloadSubscription') Below logs should not be observed.
'Sending non-protected broadcast com.android.ons.ONSProfileResultReceiver.CALLBACK'

Change-Id: Iada19ba141f1b5170f1e79f73f2c953aeb28d492
1 file changed