Always sync the texture sampler state. The sampler state may have changed even if the texture is already bound. BUG=angleproject:884 Change-Id: I591f493099397bb07608096cf30ff46ed5090224 Reviewed-on: https://chromium-review.googlesource.com/263147 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>