tree c1b0dd8b39a19931f6cf811d6d2f1a9f3c09c748
parent 5f35bc9c97f3577019d040763eb0e307777ef2dc
author Kevin Lubick <kjlubick@google.com> 1612885477 -0500
committer Kevin Lubick <kjlubick@google.com> 1613059525 +0000

[gold] Revamp calculating diff work

Change it to more of a streaming model so we can incoporate
memcached if necessary.

Bug: skia:10582
Change-Id: I8790589002eea3547703874398e6e24c169a4b19
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/368249
Reviewed-by: Kevin Lubick <kjlubick@google.com>