Fix stuck while disconnecting chromecast

[Description]
ACodec is stuck while disconnecting chromecast(mirror mode) playback
Solution:
add the buffer consuming flow in ConsumerListener::onFrameAvailable

Bug: 176522646

[Test Report]
CAST exit OK after disconnecting many times

Change-Id: Ic1fdec917dc435bbf86309d98efc5c76bb64ba42
1 file changed