Merge "Use RECEIVER_NOT_EXPORTED in CarrierPrivilegeAuthenticator." am: d262e71965 am: 8ecff93ad6

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

Change-Id: I3090a66d66e86083f11d1883bba1568dcbacdeaf