Fix uninitialized value in the retry policy mock (#23463)
Fix uninitialized value in the retry policy mock (#23463)

Signed-off-by: Yan Avlasov <afb66d2748ba0362a3ca849f18f55b7a7959dce3@google.com>

envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy