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

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

Change-Id: I5acde6a594f404b1cd0863bc64b9e3da5414a449