update call recording file format

Change-Id: I0534c1da11d946a078febc5efade8beb8d3dface
Merge branch 'cm-11.0' into kk_mkt

Conflicts:
	src/com/android/services/callrecorder/CallRecorderService.java

Change-Id: I5ff10ebf7b85601a6bab51ae0bbf1f3a0f03f076