[milo] Raise blamelist timeout to 55s
[milo] Raise blamelist timeout to 55s

Bug: 942239
Change-Id: I17121e743ba19ecee90bfaae0e36ca3adaf9fb3a
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/1529142
Reviewed-by: Nodir Turakulov <ef4933a197ef7b4b3f55f1bec4942aead3637a2a@chromium.org>
Commit-Queue: Ryan Tseng <2190fe9a39b4920ec7bd59c848ec5cccd163056f@chromium.org>

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