D3D: Mark images clean after syncing from storage Bug: angleproject:2192 Change-Id: I114da8962f6f7aec3134d39bc51c62455e4a62ee Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3637565 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>