[skottie] Add initial tracing

Trace the following top-level entry points:

  - Animation::Builder::make
  - Animation::seek
  - Animation::render

Bug: skia:8601
Change-Id: I8497b9bca7744c210163ef344555e8b27a39d09f
Reviewed-on: https://skia-review.googlesource.com/c/177440
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
1 file changed