This commit adds support for Network Policies that define ports
with text. In the case of ingress rule with named port, the pods
selected by NetworkPolicySpec's podSelector has its containers
verified to check for ports with same name. In case of egress rule
all the pods selected by the NetworkPolicyEgressRule's selector
have its containers verified to check if the containers ports
have the same name as the ones defined in policy rule ports.
If matched, a security Group rule with
a 'remote_ip_prefixes' field pointing to that pod is created.
Change-Id: If1eddc3e6cc4884ca53e81e4f87b5fae80fed70e
Closes-Bug: 1818983
b644083835