Turn on FLAGS_quic_reloadable_flag_quic_fix_has_pending_crypto_data.

R=rch@chromium.org

Change-Id: Ibbfe8b365f3c57b89e189150e8d579a633622e16
Reviewed-on: https://chromium-review.googlesource.com/1234230Reviewed-by: Ryan Hamilton <rch@chromium.org>
Commit-Queue: Fan Yang <fayang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#592751}

net/quic/quic_flags_list.h

@@ -240,4 +240,4 @@ QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_version_45, false)
 // mode is wrong for the first CHLO packet.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_fix_has_pending_crypto_data,
-          false)
+          true)