Fix tasks.json and the infra bot

Diffs caused by a collision between two CLs:

https://skia-review.googlesource.com/c/13597/
https://skia-review.googlesource.com/c/13770/

Bug: skia:
Change-Id: I1173560148e54a273df2ce16bcd8365557938873
Reviewed-on: https://skia-review.googlesource.com/13808
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
4 files changed