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: Id1560b0887fa5882b9858af7bad9043ada67038d
Reviewed-on: https://chromium-review.googlesource.com/251610Tested-by: Cooper Partin <coopp@microsoft.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>