As prescribed by the EGL_ANDROID_image_native_buffer extension spec.

Change-Id: Id4213e245d055971bd687f484dbc5efa7958adda
Reviewed-on: https://swiftshader-review.googlesource.com/4518Tested-by: Nicolas Capens <capn@google.com>
Reviewed-by: Greg Hartman <ghartman@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>