Add Debug labels to more D3D11 objects. This makes debugging using graphics tools easier on Windows. BUG=angleproject:1290 BUG=angleproject:1299 Change-Id: Ia3889c10fd8e23486f0122e0b567c470517bc9e0 Reviewed-on: https://chromium-review.googlesource.com/324821 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>