Add Team Drive subtree to the directory list view.

ui/file_manager/file_manager/foreground/css/file_types.css

Index: ui/file_manager/file_manager/foreground/css/file_types.css
diff --git a/ui/file_manager/file_manager/foreground/css/file_types.css b/ui/file_manager/file_manager/foreground/css/file_types.css
index 151de6022f848302b16fc87fd5b3cd864a5e8214..e65a3727f021277ccb97b68b0e16ecf6bb1f8aec 100644
--- a/ui/file_manager/file_manager/foreground/css/file_types.css
+++ b/ui/file_manager/file_manager/foreground/css/file_types.css
@@ -234,6 +234,18 @@ tree .tree-item[selected] > .tree-row > .shared[file-type-icon='folder'] {
       url(../images/volumes/2x/service_drive_active.png) 2x);
 }
 
+[volume-type-icon='team_drives'] {
+  background-image: -webkit-image-set(
+      url(../images/volumes/team_drive.png) 1x,
+      url(../images/volumes/2x/team_drive.png) 2x);
+}
+
+.tree-row[selected] [volume-type-icon='team_drives'] {
+  background-image: -webkit-image-set(
+      url(../images/volumes/team_drive_active.png) 1x,
+      url(../images/volumes/2x/team_drive_active.png) 2x);
+}
+
 [volume-type-icon='drive_offline'] {
   background-image: -webkit-image-set(
       url(../images/volumes/offline.png) 1x,