[automerger skipped] Merge "[TelephonyMainline] Make getMergedSubscriberIdsFromGroup as System API and rename it" am: 7c8bda0831 am: b11b8ec3ae -s ours am: 1467af14e2 -s ours am: 877f8b2af3 -s ours am: 3221c2a1ea -s ours

am skip reason: Change-Id I6c077f3bee6bfd4d5b215aca4e9b19b719772b29 with SHA-1 e582f5bc2c is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1197840

Change-Id: I8ff53409b502583ffc9aefc1215e6d0d346f4eae