BUG=angleproject:1249 Dirty bit notifications are used in GL and D3D11 for state tracking. This is a continuation of D3D dirty bit refactor for D3D9 Change-Id: Ifaa1826a93cf36c83d68150107b164d1d269c2b0 Reviewed-on: https://chromium-review.googlesource.com/316475Reviewed-by: Geoff Lang <geofflang@chromium.org> Tryjob-Request: Dian Xiang <dianx@google.com> Tested-by: Dian Xiang <dianx@google.com>
