Don't call updateInheritedTime when retargetting compositor transitions

Calling updateInheritedTime when retargetting compositor leads to a bit of mess
elsewhere in the code, having CSSAnimations a friend of Animation and allowing
Animation::applyEffects to be called without a player. This patch removes the
dependency to clean these up.

BUG=

Review URL: https://codereview.chromium.org/227453002

git-svn-id: svn://svn.chromium.org/blink/trunk@171052 bbb929c8-8fbe-4397-9dbb-9b2b20218538