Added possibility to use canned animation for icons

Icons now move in a canned animation from the shelf position
to the icon.

Test: adb shell setprop debug.icon_opening_animations true && adb shell killall com.android.systemui
Bug: 32437839
Change-Id: I82b6de37ac7a179aeb5d16bd663d566c2f338b1a
8 files changed