Generate getters/setters for animation related running flags.

This patch generates getters/setters for:
- RunningOpacityAnimationOnCompositor
- RunningTransformAnimationOnCompositor
- RunningFilterAnimationOnCompositor
- RunningBackdropFilterAnimationOnCompositor

Diff: https://gist.github.com/66c13b8c1e3834ccd34283af242f137d/revisions

Bug: 628043
Change-Id: I78be0a724e9fe1666d681ee31297ffff510f1a89
Reviewed-on: https://chromium-review.googlesource.com/536536
Reviewed-by: nainar <nainar@chromium.org>
Commit-Queue: Darren Shen <shend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#480004}
2 files changed