Remove the 2 seconds wait time to sync app data usage list.

- in v2, completely remove the asyn task to force update the network
stats since the network stats apis is actually not used.
- in v1, remove the 2s delay and only update the list when the asyn task
is done.

Change-Id: I10e887022d07fe38504036cbf3f12362eec939b3
Fixes: 119562454
Test: manual

src/com/android/settings/datausage/DataUsageList.java

@@ -193,17 +193,13 @@ public class DataUsageList extends DataUsageBaseFragment {
     public void onResume() {
         super.onResume();
         mDataStateListener.setListener(true, mSubId, getContext());
-        updateBody();
 
         // kick off background task to update stats
         new AsyncTask<Void, Void, Void>() {
             @Override
             protected Void doInBackground(Void... params) {
                 try {
-                    // wait a few seconds before kicking off
-                    Thread.sleep(2 * DateUtils.SECOND_IN_MILLIS);
                     services.mStatsService.forceUpdate();
-                } catch (InterruptedException e) {
                 } catch (RemoteException e) {
                 }
                 return null;
@@ -211,10 +207,8 @@ public class DataUsageList extends DataUsageBaseFragment {
 
             @Override
             protected void onPostExecute(Void result) {
-                if (isAdded()) {
                 updateBody();
             }
-            }
         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
 

src/com/android/settings/datausage/DataUsageListV2.java

@@ -187,28 +187,6 @@ public class DataUsageListV2 extends DataUsageBaseFragment {
         super.onResume();
         mDataStateListener.setListener(true, mSubId, getContext());
         updateBody();
-
-        // kick off background task to update stats
-        new AsyncTask<Void, Void, Void>() {
-            @Override
-            protected Void doInBackground(Void... params) {
-                try {
-                    // wait a few seconds before kicking off
-                    Thread.sleep(2 * DateUtils.SECOND_IN_MILLIS);
-                    services.mStatsService.forceUpdate();
-                } catch (InterruptedException e) {
-                } catch (RemoteException e) {
-                }
-                return null;
-            }
-
-            @Override
-            protected void onPostExecute(Void result) {
-                if (isAdded()) {
-                    updateBody();
-                }
-            }
-        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
 
     @Override