Infra-PerCommit-Build: Build infra-sk first to ensure all frontends have the required npm deps.
Infra-PerCommit-Build: Build infra-sk first to ensure all frontends have the required npm deps.

This CL is a follow-up to https://skia-review.googlesource.com/c/buildbot/+/292851 to ensure that infra-sk is built before any other front-end code that might depend on it.

Change-Id: I433aaa09c650bc4488b342897cb9b21a79b2877a
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/293199
Reviewed-by: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>
Commit-Queue: Leandro Lovisolo <f558143c2568be8d55575d13f30a1fc5cb8009d5@google.com>
Auto-Submit: Leandro Lovisolo <f558143c2568be8d55575d13f30a1fc5cb8009d5@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot