Mirror Firefox desktop data to Android for the Animation API (#9436)
Mirror Firefox desktop data to Android for the Animation API (#9436)

The note about readonly timeline is still true:
https://github.com/mozilla/gecko-dev/blob/491c8096b5dfdb328b2135895062e16e1e36d708/dom/webidl/Animation.webidl#L27-L32

mdn-bcd-collector results confirm support for all of these in Firefox
for Android 86, except remove_filling_animation which has not test, but
is safe to assume matches Firefox for Windows.

Follow-up to https://github.com/mdn/browser-compat-data/pull/9192.
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data