Change all mocks that are Dependencys to be properly injected.

If a class being unit tested is changed to Dependency.get() a dependency
rather than receiving it as an argument, the tests could break in subtle
ways. Make sure all mocked Dependencys are properly injected as test
dependencies.

Bug: 63874929
Bug: 62602530
Test: runtest systemui
Change-Id: I2b23a2ea0ac9067952624a5c302ca419685307ae