Merge "Update the logic of isFeatureEnabled and isFeatureNotChickenedOut" into main

service-t/src/com/android/server/NsdService.java

service/src/com/android/server/BpfNetMaps.java

...d/server/connectivity/AutomaticOnOffKeepaliveTracker.java

...src/com/android/server/connectivity/KeepaliveTracker.java

...device/com/android/net/module/util/DeviceConfigUtils.java

...rc/com/android/net/module/util/DeviceConfigUtilsTest.java