add new DemoActivity to showcase SkottieView xml loading and surface view backing


add resID source as SkottiveView xml attribute

Change-Id: I749dfd320ca0b75cb5fac2a4047442c1b198f07e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/327676
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Stan Iliev <stani@google.com>
Commit-Queue: Jorge Betancourt <jmbetancourt@google.com>
5 files changed