Remove FpsUnlockTracker and refactor to fit go/sysui-arch in vendor part

Bug: 310108135
Flag: EXEMPT refactor
Test: atest SystemUITests:SideFpsOverlayViewBinderTest
Test: atest SystemUiRoboTests:UdfpsControllerTest
Test: Manually
Change-Id: I69620b30446dc4c3157e42aed677cf128030b398
9 files changed