This should pick up a fix for where vpython attempts to read
`~/.vpython` folders as spec files (and fails).

R=tandrii@chromium.org

Bug: 795146
Change-Id: I261944c3d7e3e8703adc4986c88ae742b801d457
Reviewed-on: https://chromium-review.googlesource.com/851847
Commit-Queue: Aaron Gable <agable@chromium.org>
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>