Update notes for submitted changes

* stagefright: Correct the updation of extension sample rate
* libmedia: Set the correct audio latency in offload mode
* audioflinger: OffloadThread fix for resume underrun
* Framework: Fixing media server crash.
* AudioFlinger: Introduce CBLK_STREAM_FATAL_ERROR flag
* libmediaplayerservice: Fix bug due to operator precedence
* libstagefright: mkv parser: check for divx format