Paint buffers, basic result metadata.

* Puts in the basics for enqueuing and dequeing buffers from
V4L2.
*Also adds very basic result metadata (spoofed timestamp)
so that the image is returned cleanly.

BUG: 29335262
TEST: A sample Java program is able to take a 640x480 picture, both
JPEG and and YUV (requires ag/1217869).

Change-Id: I853dcc2b5430ea2822006269f57bdf44c1eaa11a
4 files changed
tree: 4dd2db8a57f599dd6cd2082b92669a46e4e7316c
  1. modules/