Migrate wm package in sysui to WM shell lib - CarSystemUITest(4-1/n)

Context:
Seperate display listener registration out of constructor to prevent
cirsular initialize problem. Use builder to make sure
DisplayImeController and DisplaySystemBarsController will be initialized
properly.

Refeine DisplaySystemBarsControllerTest to factory pattern

Fix: 161963879
Bug: 161655636
Test: make CarSystemUI
Test: atest DisplaySystemBarsControllerTest
Change-Id: I756c4925c576700e6c262a2ecc8f36164ad6361e