Update AudioTrackTest to handle multiple PCM formats DO NOT MERGE

Updated testPlayStreamData.
Removed testPlayStreamFloat (now integrated into testPlayStreamData).
Added testPlayStreamByteBuffer.
Minor change to AudioTrack_ListenerTest.java to reflect additional
parameter in buffer creation method createSoundDataInByteArray.

Change-Id: Ic965c45e94cddd312433cb6a1e40e4718397fead
(cherry picked from commit 44bb161b)