Adding comments for why gce.py's rules differ from the ones listed at https://cloud.google.com/vpc/docs/firewalls#gcp_firewall_rule_summary_table
Adding comments for why gce.py's rules differ from the ones listed at https://cloud.google.com/vpc/docs/firewalls#gcp_firewall_rule_summary_table

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=271187948

google/capirca,google/capirca,google/capirca,google/capirca