UpcomingAlarmReceiver and PendingAlarmScheduler load alarm in background

app/src/main/java/com/philliphsu/clock2/model/AlarmListLoader.java

@@ -11,6 +11,7 @@ import java.util.List;
 /**
  * Created by Phillip Hsu on 7/2/2016.
  */
+@Deprecated
 public class AlarmListLoader extends DataListLoader<Alarm, AlarmCursor> {
 
     public AlarmListLoader(Context context) {

app/src/main/java/com/philliphsu/clock2/model/DataListLoader.java

@@ -9,6 +9,7 @@ import java.util.List;
 /**
  * Created by Phillip Hsu on 7/2/2016.
  */
+@Deprecated
 // TODO: Consider C extends MyTypeBoundedCursorWrapper<D>
 public abstract class DataListLoader<D, C extends CursorWrapper> extends AsyncTaskLoader<List<D>> {
     

app/src/main/java/com/philliphsu/clock2/model/DatabaseManager.java

@@ -14,7 +14,7 @@ public class DatabaseManager {
 
     private static DatabaseManager sDatabaseManager;
     private final Context mContext;
-    private final AlarmDatabaseHelper mHelper; // TODO: Should we call close() when we're done?
+    private final AlarmDatabaseHelper mHelper; // TODO: Call close() when *the app* is exiting.
 
     private DatabaseManager(Context context) {
         mContext = context.getApplicationContext();