This includes a loader fix for systems with stale drivers.

BUG=angleproject:1319

Change-Id: I9ee726bd508c89b19508a5f3113f7b90593635d5
Reviewed-on: https://chromium-review.googlesource.com/427265Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>