vidc: Add support for video playback secure session.

When video driver is opened in secure mode, buffers
are allocated from secure heap.

Change-Id: I813c52e65b88cc302d8f4d27fc7c5f13a6fa77a8
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>
Signed-off-by: Rajeshwar Kurapaty <rkurapat@codeaurora.org>
12 files changed