Merge "Added high impact rollback in RollbackPackageHealthObserver" into main

...ery/services/java/com/android/server/PackageWatchdog.java

...ndroid/server/rollback/RollbackPackageHealthObserver.java

...a/com/android/server/rollback/WatchdogRollbackLogger.java

services/core/java/com/android/server/SystemConfig.java

...m/android/server/rollback/RollbackManagerServiceImpl.java

...id/server/rollback/RollbackPackageHealthObserverTest.java

...src/com/android/server/systemconfig/SystemConfigTest.java