introduce service.beta.kubernetes.io/do-loadbalancer-target-protocol annotation that provides explicit specifier for forwarding rules target protocols, if set correctly overrides the implicit default of http target protocol
default behavior in absence of this new annotation is unchanged
service.beta.kubernetes.io/do-loadbalancer-target-protocolannotation that provides explicit specifier for forwarding rules target protocols, if set correctly overrides the implicit default ofhttptarget protocolFixes #367 #378