am 14cf4f0f: am c7a58efa: am def6aff8: am 1c4549c3: am 84a131f2: am 39ab7cea: am 88aa97ea: am 3ce29384: libstagefright: fix possible overflow in amrwbenc.

* commit '14cf4f0f1c448cfdb2c460d6ca181c5975b961e7':
  libstagefright: fix possible overflow in amrwbenc.