Roll src/net/third_party/quiche/src/ 8b6881bd2..eede82b9b (5 commits)

https://quiche.googlesource.com/quiche.git/+log/8b6881bd2a9b..eede82b9b785

$ git log 8b6881bd2..eede82b9b --date=short --no-merges --format='%ad %ae %s'
2020-07-23 nharper Add more code_count macros to debug enabling tls resumption
2020-07-23 renjietang Introduce QuicSession::PerformActionsOnActiveStreams().
2020-07-23 haoyuewang Remove ack_decimation_with_reordering mode, fast_ack_after_quiescence option, and related connection options in quic received packet manager.  protected by gfe2_reloadable_flag_quic_remove_unused_ack_options.
2020-07-23 fayang Deflake e2e test because of spurious loss detected.
2020-07-22 renjietang In QUIC, prevent applications from looking up stream_map_ directly.

Created with:
  roll-dep src/net/third_party/quiche/src src/third_party/quic_trace/src

Change-Id: I66ca99fe8a34de680696e72fd967a1d3762b5e3d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2317032
Auto-Submit: Zhongyi Shi <zhongyi@chromium.org>
Reviewed-by: Nick Harper <nharper@chromium.org>
Commit-Queue: Zhongyi Shi <zhongyi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791390}

DEPS

@@ -322,7 +322,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'quiche_revision': '8b6881bd2a9b4a70dfd7076b00df0062784dd951',
+  'quiche_revision': 'eede82b9b785ad030686f73a15c9e04cfd24a494',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ios_webkit
   # and whatever else without interference from each other.

net/quic/quic_flags_list.h

@@ -410,3 +410,13 @@ QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_fix_print_draft_version, false)
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_disable_server_blackhole_detection,
           false)
+
+// Remove ACK_DECIMATION_WITH_REORDERING mode and fast_ack_after_quiescence
+// option in QUIC received packet manager.
+QUIC_FLAG(bool,
+          FLAGS_quic_reloadable_flag_quic_remove_unused_ack_options,
+          false)
+
+// If true, QUIC subclasses will no longer directly access stream_map for its
+// content.
+QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_do_not_use_stream_map, false)