gfe-relnote: Use PTO_RETRANSMISSION instead of PROBE_RETRANSMISSION for PTO retransmission. Also populate transport connection stats for debugging purpose. Protected by existing gfe2_reloadable_flag_quic_enable_pto.

PiperOrigin-RevId: 277780869
Change-Id: I8e7584bebaf966ecf3fa7549767ef8bdf9d1f14d
diff --git a/quic/core/quic_utils_test.cc b/quic/core/quic_utils_test.cc
index 213ff38..362c766 100644
--- a/quic/core/quic_utils_test.cc
+++ b/quic/core/quic_utils_test.cc
@@ -131,6 +131,8 @@
       EXPECT_EQ(TLP_RETRANSMITTED, state);
     } else if (i == RTO_RETRANSMISSION) {
       EXPECT_EQ(RTO_RETRANSMITTED, state);
+    } else if (i == PTO_RETRANSMISSION) {
+      EXPECT_EQ(PTO_RETRANSMITTED, state);
     } else if (i == PROBING_RETRANSMISSION) {
       EXPECT_EQ(PROBE_RETRANSMITTED, state);
     } else {