Move the CallManager registerPhone into GsmCdmaPhone am: 6b04a4a212 am: bd566a9e87

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/13191256

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I46409e2c4980610604e1dd6ed7afebcd3bb8f387