Don't call TaskView.onRecycle when moving focused task to front

- onRecycle removes the icon cache resulting on icon disappearing when entering overview
- only call necessary view transform reset in moveFocusedTaskToFront

Bug: 195415765
Test: quick switch, launch app then swipe up
Change-Id: Iadb7287ea307a3a4aa0acce2e37837142aeb90db
2 files changed