xds: Support deprecated xDS TLS fields for Istio compat (1.77.x backport)#12508

ejona86 merged 1 commit intogrpc:v1.77.xgrpc/grpc-java:v1.77.xfrom

ejona86:backport-istio-tls-backwards-compat-1.77ejona86/grpc-java:backport-istio-tls-backwards-compat-1.77Copy head branch name to clipboard