[graphite] add Recorder::updateBackendTexture call

Bug: skia:13792
Bug: b/249788181
Change-Id: I3917a55520d91f07f96239cca8fc2ee0673d1bca
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/585959
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
9 files changed