[FilesApp] Show team drive modification time in the file list

DriveFs shipped and it reports Team Drive modification time: show that
time in the file list.

Bug: 867153
Change-Id: I8569e90687ef22f6d67ef8ae032aa80d21acb09d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1660302
Reviewed-by: Sam McNally <sammc@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#669910}
1 file changed