Merge "Rename carrier messaging API constant." into nyc-dev am: f7375b46ff
am: e6c6ca417d

* commit 'e6c6ca417da6f62de4bdebd7b380f12b751a08b7':
  Rename carrier messaging API constant.

Change-Id: I9e2d1c3572a6e7658e6ba66a7d4c01fd4a4c805a