Revert "Show Taskbar before accessing its icons"

Revert submission 25532044-tapl-transient-taskbar-default

Reason for revert: <test revert (b/314873201)>

Reverted changes: /q/submissionid:25532044-tapl-transient-taskbar-default

Change-Id: Ib305cad259ea4705d1d46ffc160e7adc6204763d
6 files changed