Add trace events for D3D11 initialization. This helps a local user profile their D3D11 startup time. BUG=436191 BUG=angleproject:966 Change-Id: Ib1b3d62194233cd502980d87c316a95e9bd3a04c Reviewed-on: https://chromium-review.googlesource.com/264935 Reviewed-by: Kenneth Russell <kbr@chromium.org> Reviewed-by: Brandon Jones <bajones@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>