add android-x86 files

Bring in gralloc_drm files verbatim from the kitkat-x86 branch of Android-x86:
http://git.android-x86.org/

BUG=chromium:358029
TEST=none

Change-Id: Ic18bc41b91ce3d5841a26876b7a55c09f4b13240
Reviewed-on: https://chromium-review.googlesource.com/201365
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Robert Kroeger <rjkroege@chromium.org>
Commit-Queue: Frank Henigman <fjhenigman@chromium.org>
Tested-by: Frank Henigman <fjhenigman@chromium.org>
7 files changed
tree: 1a895474c141f14d2d63e6a1ea46c186ad0f75fc
  1. src/