libhardware/camera.h: camera HAL memory management updates

-- add a callback to camera_memory_t that can be used to free the requested
   memory
-- memory requests are in the form of N buffers S bytes each
-- data callbacks pass an index to a buffer in addition to the camera_memory
   pointer

Change-Id: I368139809f25a662d8895f205e3b87fa5046a4b2
Signed-off-by: Iliyan Malchev <malchev@google.com>
1 file changed