Improve 'source apiserver update --resource'#590

Merged

knative-prow-robot merged 3 commits intoknative:masterfrom

daisy-ycguo:updateapiserver

Jan 28, 2020

Commits on Jan 27, 2020

improve 'source apiserver update --resource' to follow the common update semantics
Daisy Guo
committed
add more tests and update based on comments
Daisy Guo
committed
rebase
Daisy Guo
committed