Fix AudioTrack.setPlaybackRate() error handling
Fix AudioTrack.setPlaybackRate() error handling

CTS expects that setPlaybackRate() returns an error for a static buffer
AudioTrack that has not yet had any data written to the buffer.

Bug: 8181114
Change-Id: I17ba039368468f6ccd1eec5322018bfe420c09c8

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