Add doze screen state information to PowerInteractor

Besides screen on/off events, the display has more granular
modes, such as a low power DOZE mode. Map these events to flows.

Test: atest PowerInteractorTest
Bug: 373844670
Flag: EXEMPT non-impacting domain code
Change-Id: I1d63d57e6077a1178596362c2c6f432ffeea0475