Update notes for submitted changes

* camera: Handle the num-jpegs-per-shutter mode
* stagefright: Cleanup ifdefs in pause code
* Camera: Rotate display if app doesn't use setDisplayOrientation.
* libmedia: Increase offload shared buffer size
* libstagefright: Do not use offload playback for DRM content
* NuPlayer: Check if video input format is NULL
* Audio: Tunnel Exception for AAC main profile format
*  audio: Fix framecount calculation in AudioFlinger
* audio: Fix for OMXCodec::read() getting blocked
* audio: do not invalidate stream used by voip
* audio: Modified API for compress voip formats
* Revert extra buffer hack.