Add Team Drive subtree to the directory list view.

ui/file_manager/file_manager/foreground/js/ui/directory_tree.js

Index: ui/file_manager/file_manager/foreground/js/ui/directory_tree.js
diff --git a/ui/file_manager/file_manager/foreground/js/ui/directory_tree.js b/ui/file_manager/file_manager/foreground/js/ui/directory_tree.js
index d407e8f30578d193695c777a9c6e1b1baf4e48f1..b8b1b7cfc5473c5d3f225d94f72fb60975184027 100644
--- a/ui/file_manager/file_manager/foreground/js/ui/directory_tree.js
+++ b/ui/file_manager/file_manager/foreground/js/ui/directory_tree.js
@@ -747,7 +747,11 @@ DriveVolumeItem.prototype.handleClick = function(e) {
 DriveVolumeItem.prototype.updateSubDirectories = function(recursive) {
   // Drive volume has children including fake entries (offline, recent, etc...).
   if (this.entry && !this.hasChildren) {
-    var entries = [this.entry];
+    var fixedEntries = [this.entry];
+    var teamDriveEntry = this.volumeInfo_.teamDriveDisplayRoot;
+    if (teamDriveEntry)
+      fixedEntries.push(teamDriveEntry);
+    var entries = [];
     if (this.parentTree_.fakeEntriesVisible_) {
       for (var key in this.volumeInfo_.fakeEntries)
         entries.push(this.volumeInfo_.fakeEntries[key]);
@@ -758,6 +762,7 @@ DriveVolumeItem.prototype.updateSubDirectories = function(recursive) {
         return 0;
       return b.toURL() > a.toURL() ? 1 : -1;
     });
+    entries = fixedEntries.concat(entries);
 
     for (var i = 0; i < entries.length; i++) {
       var item = new SubDirectoryItem(
@@ -781,7 +786,10 @@ DriveVolumeItem.prototype.updateSubDirectories = function(recursive) {
  * @override
  */
 DriveVolumeItem.prototype.updateItemByEntry = function(changedDirectoryEntry) {
-  this.items[0].updateItemByEntry(changedDirectoryEntry);
+  // First item is My Drive, and the second item is Team Drives.
+  // Keep in sync with |fixedEntries| in |updateSubDirectories|.
+  var index = util.isTeamDriveEntry(changedDirectoryEntry) ? 1 : 0;
+  this.items[index].updateItemByEntry(changedDirectoryEntry);
 };
 
 /**