Sort and deduplicate Frame mojom imports

These imports were almost ordered alphabetically and had some
duplicates.

Bug: None
Change-Id: I3ada8bcbc9d8956ca74c6bb37c358b96f7f3975b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2079136
Reviewed-by: Ken Buchanan <[email protected]>
Commit-Queue: Kevin McNee <[email protected]>
Cr-Commit-Position: refs/heads/master@{#745211}
1 file changed