Removed Dependency.get from com.android.systemui.statusbar

Replacing uses of Dependency.get as it is deprecated. Deleted
NonPhoneDependencyTest as it has been disabled since this CL: ag/12474869

Bug: 218352036
Test: atest NotificationLockscreenUserManagerTest
Change-Id: Ifd7489a4084cf36331ab68c597be09e25572ce5b
Merged-In: Ifd7489a4084cf36331ab68c597be09e25572ce5b