Fix a bug that user cannot deselect apps by clicking the checkmark.

Bug: 881488
Change-Id: Icd1464af653037ea59c20d4b5aa91dd315f9dba8
Reviewed-on: https://chromium-review.googlesource.com/1211962Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Commit-Queue: Yue Cen <rsgingerrs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#590167}

chrome/browser/resources/chromeos/arc_support/recommend_app_list_view.js

@@ -14,6 +14,7 @@ function generateContents(appIcon, appTitle, appPackageName) {
 
   var imagePicker = doc.createElement('div');
   imagePicker.classList.add('image-picker');
+  imagePicker.addEventListener('click', toggleCheckStatus);
   item.appendChild(imagePicker);
 
   var chip = doc.createElement('div');