Merge "Use RECEIVER_NOT_EXPORTED in CarrierPrivilegeAuthenticator." am: d262e71965 am: 8ecff93ad6 am: 1a13ccc3c9 am: 134edfa7a4

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1970499

Change-Id: I60d09e9f181c9e11260bb0e3c5960d2ce5602960