cros-workon: fix sandbox errors w/git worktrees

When using git worktrees, git might try to grab locks under the .repo
tree.  Add it to the predict list like we already do for the .git dir
in the source checkout.

BUG=b:234158265
TEST=CQ passes

Change-Id: Ida54a8f1cdc229e8f1b7c11f7376933e113077e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2065914
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
(cherry picked from commit 1c2b4efa3d131f7c2daa9dd9d3aeba8a5b58bafc)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/3673862
Tested-by: Greg Edelston <gredelston@google.com>
Auto-Submit: Greg Edelston <gredelston@google.com>
Reviewed-by: Chris Gerber <gerb@google.com>
1 file changed