This will avoid Chrome source having to be updated each time that ANGLE's
ShBuiltInResources changes.

BUG=374942

Change-Id: If54dba8351de9b261ff269e885f231547c08ff0a
Reviewed-on: https://chromium-review.googlesource.com/200171Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
Tested-by: Shannon Woods <shannonwoods@chromium.org>