[skottie] Remove inPoint/outPoint/frameRate from public API

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Change-Id: Ice4de3abe350c4570c22e859a36dbd445527fa41
Reviewed-on: https://skia-review.googlesource.com/131300
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
3 files changed