Merge "Remove unused code in CallNotifier." am: c13629de40 am: b7916f1f8b am: b44a886617 am: f4227a29d0 am: 79f1d2d05c

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1836457

Change-Id: I9a5c60318d071e9c6f09119867c1c7241e495a39