Introduce waitUntilNextDoFrameDone

This will be used in child cls to report the time it takes for the shade
window to move between displays.

Bug: 362719719
Bug: 378688537
Test: None - see child cls
Flag: com.android.systemui.shade_window_goes_around
Change-Id: I65b640916e2b3cfb614d231fe58567ff89bca617