tree 29c62de1a663696ed2b302ddaa6641dd78ce7546
parent 170b39b30ef6340a99fde0e1e6a46cf935e4cde6
author Jack Yu <jackyu@google.com> 1445055592 -0700
committer Jack Yu <jackyu@google.com> 1445055592 -0700

DO NOT MERGE. Fixed emergency alert TTS not playing on bluetooth speaker.

Added an extra param so TTS engine knows where to route the audio.
Also release the audio focus at the time after tone + TTS are played,
not just tone so TTS won't mix with other audio stream (e.g. music)

bug: 24366038
Change-Id: I8f045f9264ea49d00125a53f3180c9924b02b08c