Added IInspectable EGLNativeWindowType and ICoreWindow support

Change-Id: I9ad82b7819bcca1c05e7aa60dc2baec4a7bc403c
Reviewed-on: https://chromium-review.googlesource.com/222360
Tested-by: Cooper Partin <coopp@microsoft.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Revert "Added IInspectable EGLNativeWindowType and ICoreWindow support" due to build failures on Chromium FYI bots.

This reverts commit 406a3be91cc8175df95bd390425e35830778f2d5.

Change-Id: Ica2abd2e557a4fd9852d85b7fc018e3d272b6edf
Reviewed-on: https://chromium-review.googlesource.com/224051
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Tested-by: Shannon Woods <shannonwoods@chromium.org>