Remove CommunalConditionsMonitor.

CommunalConditionsMonitor was simply a wrapper
after the generalized Monitor introduction. This
changelist makes it instead a binding around Monitor
with the newly introduced MonitorComponent.

Test: atest CommunalSourceMonitorTest
Test: atest CommunalManagerUpdaterTest
Bug: 210181109
Change-Id: I00ddd9a91219ffd4128e3e8e110e8e7b6eabe326
Docking detection

Change-Id: I8c0d30802d06457f90c9a6fbecb715e6380fc4e8