Remove AnimatableClockController in favor of ClockEventController

Bug: 229771520
Test: Automated
Change-Id: I10a18f0e753962064f9ac12f3d15f955ce419cbf
(cherry picked from commit 3d244cce904d13e737c586204c39d02c6f098e78)
Merged-In: I10a18f0e753962064f9ac12f3d15f955ce419cbf
2 files changed