msm8960-common: CameraWrapper Updates

* Possible Memory leak updates in fixed_set_params

* Update fixup_setparams in camerawrapper to support sending rawcommand
  At times it's needed to send raw commands to the camera.  Simple change
  to make it simple to pass these directly from the fixup_sendparams method.

Change-Id: I4e38a50a4a837c29f3561b0abee02f061b25de00