Adding a master on/off switch for the new bucket such that when it's off,
apps aren't be put into the bucket and any apps already in it are brought
out.
Bug: 155670438
Test: atest FrameworksServicesTests:AppIdleHistoryTests
Test: atest FrameworksServicesTests:AppStandbyControllerTests
Test: atest SettingsProviderTest:SettingsBackupTest
Change-Id: Iaeabefa14cbaa2d07a13555ecbc29e6fbf11a29c