Move ApplicationsState to SettingsLib

Also take InterestingConfigChanges along for the ride
and delete unused AppPermissionSettings

b/21328967

Change-Id: I4d0c1a27054845a54cf68e95a92024d2e46f636e

src/com/android/settings/applications/RunningState.java

@@ -46,6 +46,7 @@ import android.util.SparseArray;
 
 import com.android.settings.R;
 import com.android.settings.Utils;
+import com.android.settingslib.applications.InterestingConfigChanges;
 
 import java.util.ArrayList;
 import java.util.Collections;