SF: Update unit test to pass non-default mocks.

Update tests to pass non-default mocks so that surfaceflinger internals can be more accurately tested, allowing for testing for division by vsync

Test: on main: lunch cf_x86_64_phone-userdebug && atest
DisplayModeSwitchingTest#changeRefreshRate_OnActiveDisplay_WithoutRefreshRequired
Bug: 278035063
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:f626c2f99cdc39266921642eb10d823472c2d74f)
Merged-In: Ica4009c30940dad7a8b1dced712223e8eaabc99a
Change-Id: Ica4009c30940dad7a8b1dced712223e8eaabc99a