Camera_test: Pre-set buffer source

- Change camera_test to pre-set all buffer sources during
  start preview instead of during takePicture/reprocess.

- Omit pre-setting tap-in/-outs if the client
  doesn't use raw picture format.

Depends on frameworks/native change I20c0f4a8:
http://review.omapzoom.org/#/c/28901/

Change-Id: I8c0d29ffc5b21c56a2d79bc80cab910f55c7ca21
Signed-off-by: Tyler Luu <tluu@ti.com>
Signed-off-by: Vladimir Petrov <vppetrov@mm-sol.com>
6 files changed