SurfaceMediaSource: use the HW_TEXTURE usage bit

This change makes SurfaceMediaSource request Gralloc buffers with the
HW_TEXTURE usage bit rather than the VIDEO_ENCODER bit.  It is a
temporary workaround for what is likely a Gralloc bug.

Bug: 5771063
Change-Id: I9cce615e80fc14a1644fae27ba06970c262dd179
1 file changed