Avoid crash when TextToSpeech calls onInit() from the constructor.

If construction of a TextToSpeech object fails, it may call the
initialization listener's onInit() method before the assignment
of the constructed TextToSpeech object to a variable has occurred.

BUG: 8744558
Change-Id: I3404fdb39308009762371154b05d3653bab81ab2
1 file changed