[Checkstyle] Fix misc style issues in Java files.

tools/android/memconsumer/java/src/org/chromium/memconsumer/MemConsumer.java

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.memconsumer;
 
 import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
-import android.content.ComponentName;
-import android.content.Context;
 import android.os.Bundle;
 import android.os.IBinder;
+import android.view.Gravity;
 import android.view.KeyEvent;
-import android.view.Gravity;
 import android.view.View;
 import android.widget.EditText;
 import android.widget.NumberPicker;
 import android.widget.TextView;
 
 public class MemConsumer extends Activity {
     public static final String NOTIFICATION_ACTION =
             MemConsumer.class.toString() + ".NOTIFICATION";
 
     private ResidentService mResidentService;
     private int mMemory = 0;
     private NumberPicker mMemoryPicker;
 
     private ServiceConnection mServiceConnection = new ServiceConnection() {
-
-        public void onServiceConnected(ComponentName name,
-                                       IBinder binder) {
-            mResidentService = ((ResidentService.ServiceBinder)binder).getService();
+        @Override
+        public void onServiceConnected(ComponentName name, IBinder binder) {
+            mResidentService = ((ResidentService.ServiceBinder) binder).getService();
             mResidentService.useMemory(mMemory);
         }
 
+        @Override
         public void onServiceDisconnected(ComponentName name) {
             mResidentService = null;
         }
     };
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         mMemoryPicker = new NumberPicker(this);
         mMemoryPicker.setGravity(Gravity.CENTER);
         mMemoryPicker.setMaxValue(Integer.MAX_VALUE);
         mMemoryPicker.setMinValue(0);
         mMemoryPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
             @Override
             public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
                 updateMemoryConsumption(picker.getValue());
             }
         });
         for (int i = 0; i < mMemoryPicker.getChildCount(); i++) {
             View child = mMemoryPicker.getChildAt(i);
             if (child instanceof EditText) {
-                EditText editText = (EditText)child;
+                EditText editText = (EditText) child;
                 editText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
                     @Override
                     public boolean onEditorAction (TextView v, int actionId, KeyEvent event) {
                         if (v.getText().length() > 0) {
                             updateMemoryConsumption(Integer.parseInt(v.getText().toString()));
                         }
                         return false;
                     }
                 });
             }
@@ skipping 29 matching lines @@
         } else {
             mResidentService.useMemory(mMemory);
             if (mMemory == 0) {
                 unbindService(mServiceConnection);
                 stopService(new Intent(this, ResidentService.class));
                 mResidentService = null;
             }
         }
     }
 }