Set chrome_value of --gfe2_reloadable_flag_quic_send_path_response2 to true. This value was set to false to unblock code merge, but didn't flip back afterwards.

Update flag description to reflect the actual behavior behind the flag.

PiperOrigin-RevId: 364662827
Change-Id: I554b3506aef3a842333f51dc2d7bfb82813a15db
diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index d323768..1ba0aa9 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -53,7 +53,7 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_preempt_stream_data_with_handshake_packet, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_reject_unexpected_ietf_frame_types, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_require_handshake_confirmation, false)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_send_path_response2, false)
+QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_send_path_response2, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_send_timestamps, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_send_tls_crypto_error_code, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_server_reverse_validate_new_path2, false)