Set the correct audio bit rate for camera recorded content

Remove the hard coded value for bit rate and replace the value
with the information from meta data.

Change-Id: Ib643c79bbdddaafb3dc703448645606267f7ca4d
CameraService: deadlock fix

Release lock before return from CameraService::dump()

Change-Id: Ia20b0921fc675a284f3b7f8d26e0e3596b5a8774
Signed-off-by: Kalle Lampila <kallex.lampila@intel.com>
Merge branch 'kitkat' of https://github.com/TeamHorizon/frameworks_av into kitkat