[automerger skipped] Merge "[TelephonyMainline] @hide system api since we'll...

[automerger skipped] Merge "[TelephonyMainline] @hide system api since we'll revisit in S. - DataAllowed" into rvc-dev am: 365dfedd am: 9843a64a -s ours

am skip reason: Change-Id I62a0249a1462c9e8d71552e2304642eb6bde3eb5 with SHA-1 7c626cb8 is in history

Change-Id: I156d30980d7611dfa09aa162ed9bf2230577fb72