Update bazel for circleCI (#1997)
Update bazel for circleCI (#1997)

* Update HUB to gcr.io/istio

Signed-off-by: JimmyCYJ <2e1c086bffd70091fe8b31b97196c073968e53fc@gmail.com>

* Update bazel image for circleCI

Signed-off-by: JimmyCYJ <2e1c086bffd70091fe8b31b97196c073968e53fc@gmail.com>

* Revert hub change.

Signed-off-by: JimmyCYJ <2e1c086bffd70091fe8b31b97196c073968e53fc@gmail.com>

lizan/proxy,lizan/proxy,istio/proxy,istio/proxy,istio/proxy,lizan/proxy,istio/proxy,lizan/proxy