TTS documentation clarification.
TTS documentation clarification.

Bug: 7183943
Change-Id: Iffec9069bef7c9c428ebae2f84ba16ef697ffb2a

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base