Merge "Migrate Default Phone Account Handle" into tm-dev am: 2e5117a0

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/17240598



Change-Id: I00c45aff3c74cece732331aa56e7b29c76f8d7d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>