Support for CharSequences in the V1 API.

Two newly deprecated methods:
  - TextToSpeech.speak (over TextToSpeech.speak with mandatory utteranceId)
  - SynthesisRequest.getText (over SynthesisRequest.getCharSequenceText)

Change-Id: I8a75ed335c91074c72d6ef374ff8b9c79a7c208d
5 files changed