(a) The TTS API doesn't mandate that unavailable voices should
be set and null, so deal with it correctly.
(b) The android manifest contained a reference to the old
TTS class.
bug:5525023
Change-Id: I1c16dbc75893288e5fa221c73a7284fca7ab25c5
Re-added if there are voices to install.
DO NOT MERGE : Was already submitted to master.
bug:5511343
Change-Id: Iac95f37c3dda3b213f6ba34c32b7dc725673d64d
This prevents QUEUE_FLUSH from working as intented since
there is a (blocking) setLanguage() call that waits for
the previous synthesis to complete before flushing the queue.
bug:5288327
Change-Id: I00467f0ac1584863ae27bfc076b8413e29e5379b
This makes the sample play faster, and results in a reliable
return value from getLanguage().
bug:5207139
Change-Id: Ic6ca4a2f4aed299d35c320ecc3f327579c66471b