Remove dependency on SystemProperties.set

WatchdogRollbackLogger will be moved to module. We would not be able to
use SystemProperties.set since it is hidden api. Instead we would use
crashrecovery events to store the logs when the test property is enabled.

Bug: 289203818
Test: atest NetworkStagedRollbackTest;atest StagedRollbackTest
Flag: EXEMPT refactor
Change-Id: Ic358b24e431588aaba1147db028eee63d276b6f6