Initial work to connect gralloc to egl::Image

Change-Id: Ia11a9520bb6525dc367e0b2956850574b29e4796
Reviewed-on: https://swiftshader-review.googlesource.com/2900
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
8 files changed