Changed SkottieView base class to TextureView.
Implemented new SkottieAnimation interface, which allows to
get animation duration, set and get animation progress.
SkottieView will draw correctly even if animation is stopped.
Test: Ran Skottie app
Bug: skia:
Change-Id: I952793b75518107f515ddec8ad6524f4048f42e7
Reviewed-on: https://skia-review.googlesource.com/c/167945
Commit-Queue: Stan Iliev <stani@google.com>
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
762ba1038d