Merge "Add feature definition for devices that support IMS single registration" am: 0a14f06a1b am: e4ec0d498f am: 48690d84c5

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1566722

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I30a2b0bb766034df400968b869b7c5d994b87857