Add dxie to mash buildbot filter file watchlist

Bug: none
Change-Id: I3d309fe29f678504b86062abcb09d803a1f10348
Reviewed-on: https://chromium-review.googlesource.com/1070413
Reviewed-by: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#562479}
1 file changed