Access to the D3D device is needed for some advanced scenarios.
New entry points eglQueryDisplayAttribANGLE and
eglQueryDeviceAttribANGLE have been added in this change
to implement this extension.

BUG=angleproject:935

Change-Id: Ie39e86a2b6c6d8d05a08964b2907fb9fba5dec13
Reviewed-on: https://chromium-review.googlesource.com/265591Tested-by: Cooper Partin <coopp@microsoft.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>