[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: 0e6742bd -s ours

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

Change-Id: I6b0e5a996504d9a5a8394f0898fe2a94fd4d8434