GitLab

- Updates label of the PPD file selection for advanced printer dialog
  and for edit printer dialog.
- Learn More link will be updated to point to correct URL.

Bug: 939899
Test: End to End manual
Change-Id: Ie759ae625263ce5f758d3a045b72e1565efeec6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1636396Reviewed-by: Bailey Berro <baileyberro@chromium.org>
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Commit-Queue: jimmy gong <jimmyxgong@chromium.org>
Cr-Commit-Position: refs/heads/master@{#666100}