[CRD iOS] Consistent host list order and showing last online time

remoting/ios/app/host_collection_view_cell.mm

 // Copyright 2017 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.
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 #import <UIKit/UIKit.h>
 
@@ skipping 84 matching lines @@
       self.frame.size.width, _statusLabel.font.pointSize + kLinePadding);
   [_cellView addSubview:_statusLabel];
 }
 
 #pragma mark - HostCollectionViewCell Public
 
 - (void)populateContentWithHostInfo:(HostInfo*)hostInfo {
   _hostInfo = hostInfo;
 
   _titleLabel.text = _hostInfo.hostName;
-  _statusLabel.text = _hostInfo.status;
 
   _imageView.image = [UIImage imageNamed:@"ic_desktop"];
 
   // TODO(nicholss): These colors are incorrect for the final product.
   // Need to update to the values in the mocks.
   if ([_hostInfo.status isEqualToString:@"ONLINE"]) {
     _imageView.backgroundColor = UIColor.greenColor;
+    _statusLabel.text = @"Online";
   } else {
     _imageView.backgroundColor = UIColor.lightGrayColor;
+    _statusLabel.text =
+        [NSString stringWithFormat:@"Last online: %@", hostInfo.updatedTime];
   }
 }
 
 #pragma mark - UICollectionReusableView
 
 - (void)prepareForReuse {
   [super prepareForReuse];
   _hostInfo = nil;
   _statusLabel.text = nil;
   _titleLabel.text = nil;
 }
 
 @end