When p.patchlevel > 1, p.filename does not correspond to the files that
git-apply would modify.
See bug for details
Bug: 764294
Change-Id: Icdb803056e306edb25238b2d9cdabd3ff175d8ed
Reviewed-on: https://chromium-review.googlesource.com/663357
Reviewed-by: Aaron Gable <agable@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>