Files.app: Add a new column in table view to reflect cloud import status.
- Add a new column to the file table to show icons representing cloud import status.
- Add new styles for media that's been locally copied and added to Drive.
- Add code to manage status updates.
BUG=
420680
Committed:
https://crrev.com/175d4c6874d1c7a20ca7b5a8011052fc86847aac
Cr-Commit-Position: refs/heads/master@{#311704}