am 3aecdb9d: merge from open-source master

Merge commit '3aecdb9d7e92b1a91860600feefb5c0062b652cf' into kraken

* commit '3aecdb9d7e92b1a91860600feefb5c0062b652cf':
  fix build
  Fix some typos and other cosmetic cleanups in telephony framework.