gralloc3: [g19] backport IMapper2.1 functions from ARM Gralloc b_r20p0

Functions were backported from ARM reference gralloc
VX504X08X-SW-99005-r20p0-01rel0.tar

IMapper2.1 makes the following functions mandatory:
 * import_buffer
 * validate_buffer_size
 * get_transport_size

Change-Id: Iab4fde31a2a2edc543087cb54520043c7a01208a
Signed-off-by: SeYeong Byeon <sy.byeon@samsung.com>
1 file changed
tree: a1ddb96a59ad95b91c2ee601f6a4361b5f496827
  1. gralloc3/
  2. include/
  3. libexynosutils/
  4. videoapi/
  5. Android.bp
  6. Android.mk