[resultdb] Print Invocation URL
[resultdb] Print Invocation URL

Print a URL that a human can navigate to and see results.

R=1dcb292530f82960316cb3d87cd67c3f212b79cb@chromium.org

Bug: 1082992
Change-Id: I0b24e390f23555c078987bc5bf6857bac226a264
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/2213187
Auto-Submit: Nodir Turakulov <ef4933a197ef7b4b3f55f1bec4942aead3637a2a@chromium.org>
Commit-Queue: Scott Lee <1dcb292530f82960316cb3d87cd67c3f212b79cb@chromium.org>
Reviewed-by: Scott Lee <1dcb292530f82960316cb3d87cd67c3f212b79cb@chromium.org>

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