Revert "frameworks: Custom System Animations WIP"

This reverts commit 94aa31e6a8e726f5b2089e52767cf9ea32d8022f.
frameworks: Custom System Animations

Allows setting of some system animations.

Current List:

Activity Open
Activity Close
Task Open
Task Close
Task Move to front
Task Move to back
Window Open
Window Close
Window Insta Open
Window Insta Close

Duration Controls

Prevent overridePendingTransition option

Change-Id: Id360abe158d36ab85c1c0d0103428d4a8867e70c