Merge "Allow a SipDelegateConnection to trigger a full network registration" am: 841a33a86a am: 02e609ea40 am: 41b46990e2

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1520524

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If26ac38e2975f0127d07604739b69c9c7a6f4406