[resultdb] Do not load results from killed tasks
[resultdb] Do not load results from killed tasks

Such tasks are retried anyway.

R=jchinlee@chromium.org

Bug: 1029151
Change-Id: Icc1242e9c2928672b63774c2044eb2c7cd68a6f7
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/1941155
Auto-Submit: Nodir Turakulov <ef4933a197ef7b4b3f55f1bec4942aead3637a2a@chromium.org>
Commit-Queue: Chan Li <332b6c56634d0f63001046c664a2370006a02420@chromium.org>
Reviewed-by: Chan Li <332b6c56634d0f63001046c664a2370006a02420@chromium.org>

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go