add in helpers dir refrenced by other packages

BUG=b:278107786
TEST=cq

Change-Id: Ic22f168ef755e79ca03f5c1c1976ba0ebad98f8b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/4472137
Tested-by: Derek Beckett <[email protected]>
Auto-Submit: Derek Beckett <[email protected]>
Commit-Queue: Chris DeLaGarza <[email protected]>
Reviewed-by: Chris DeLaGarza <[email protected]>
1 file changed