Merge "Rename ImsPhone.getRoamingState -> getLastKnownRoamingState" am: 22ede622f6 am: f3ef0cfc03

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1683472

Change-Id: I9ce90b3da10141bf1d917d3faba007084d0941ec