gae-interop-testing: Upgrade to Java 17 (v1.66.x backport)#12042

kannanjgithub wants to merge 1 commit intogrpc:v1.66.xgrpc/grpc-java:v1.66.xfrom

kannanjgithub:backport-1.66-gae-java17kannanjgithub/grpc-java:backport-1.66-gae-java17Copy head branch name to clipboard