Update to use new Loader callbacks.

Change-Id: Ib478c2f2314bbae4a380539e22892d85dd9a34b5

src/com/android/email/activity/ContactStatusLoader.java

@@ -141,18 +141,18 @@ public class ContactStatusLoader extends AsyncTaskLoader<ContactStatusLoader.Res
     }
 
     @Override
-    public void startLoading() {
+    protected void onStartLoading() {
         cancelLoad();
         forceLoad();
     }
 
     @Override
-    public void stopLoading() {
+    protected void onStopLoading() {
         cancelLoad();
     }
 
     @Override
-    public void reset() {
+    protected void onReset() {
         stopLoading();
     }
 }

src/com/android/email/activity/MoveMessageToDialog.java

@@ -268,18 +268,18 @@ public class MoveMessageToDialog extends DialogFragment implements DialogInterfa
         }
 
         @Override
-        public void startLoading() {
+        protected void onStartLoading() {
             cancelLoad();
             forceLoad();
         }
 
         @Override
-        public void stopLoading() {
+        protected void onStopLoading() {
             cancelLoad();
         }
 
         @Override
-        public void reset() {
+        protected void onReset() {
             stopLoading();
         }
     }

src/com/android/email/data/MailboxAccountLoader.java

@@ -92,18 +92,18 @@ public class MailboxAccountLoader extends AsyncTaskLoader<MailboxAccountLoader.R
     }
 
     @Override
-    public void startLoading() {
+    protected void onStartLoading() {
         cancelLoad();
         forceLoad();
     }
 
     @Override
-    public void stopLoading() {
+    protected void onStopLoading() {
         cancelLoad();
     }
 
     @Override
-    public void reset() {
+    protected void onReset() {
         stopLoading();
     }
 }

src/com/android/email/data/ThrottlingCursorLoader.java

@@ -59,24 +59,24 @@ public class ThrottlingCursorLoader extends CursorLoader {
     }
 
     @Override
-    public void startLoading() {
+    protected void onStartLoading() {
         if (Throttle.DEBUG) debugLog("startLoading");
         mThrottle.cancelScheduledCallback();
-        super.startLoading();
+        super.onStartLoading();
     }
 
     @Override
-    public void forceLoad() {
+    protected void onForceLoad() {
         if (Throttle.DEBUG) debugLog("forceLoad");
         mThrottle.cancelScheduledCallback();
-        super.forceLoad();
+        super.onForceLoad();
     }
 
     @Override
-    public void stopLoading() {
+    protected void onStopLoading() {
         if (Throttle.DEBUG) debugLog("stopLoading");
         mThrottle.cancelScheduledCallback();
-        super.stopLoading();
+        super.onStopLoading();
     }
 
     @Override