Adding VoiceIME support for the modified RecognitionManager

Now there is a delay each time the voice recognition screen is opened, however, this is the correct behavior as microphone setup takes about 600ms.
The previous implementation, although being fast, was not actually recording the first 1/2 second of user's speech.

Change-Id: I8b8373a59658502f7451150ff4a4ffd1c8e83205