63576ff7d3
Add app hibernation system service and manager class and start it when app hibernation flag is enabled. The actual API is currently stubbed and will be implemented in further CLs. Bug: 175829330 Test: adb shell device_config put app_hibernation app_hibernation_enabled true adb reboot adb shell services list Change-Id: Ide2758d3eaabae7d3df6356d4b6435c5137c554d