Merge "Add feature definition for devices that support IMS single registration" am: 0a14f06a am: e4ec0d49 am: 48690d84 am: 0ea7670d

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic945d53fa9eccac0b4c32cbbab333c1a38fbb6c8