Roll src/net/third_party/quiche/src/ 4f95c4097..7c89615d6 (8 commits)

https://quiche.googlesource.com/quiche.git/+log/4f95c4097fa1..7c89615d6dd7

$ git log 4f95c4097..7c89615d6 --date=short --no-merges --format='%ad %ae %s'
2020-02-19 wub Disable probing retransmissions for test QuartcSessionTest.SendReceiveMessages.
2020-02-19 wub gfe-relnote: (n/a) False deprecate --gfe2_reloadable_flag_quic_use_quic_time_for_received_timestamp.
2020-02-19 renjietang Move methods related to stream priority change to StreamDelegateInterface.
2020-02-19 dschinazi Fix use of EXPECT_QUIC_BUG in two tests
2020-02-19 wub gfe-relnote: (n/a) In PacketNumberIndexedQueue::RemoveUpTo, cleanup unused slots in the front before return. No behavior change, not protected.
2020-02-18 nharper gfe-relnote: deprecate reloadable flag quic_create_server_handshaker_in_constructor
2020-02-18 renjietang gfe-relnote: deprecate gfe2_reloadable_flag_quic_interval_deque
2020-02-18 renjietang Add WritevData() in StreamDelegateInterface and let QuicSession::WritevData implement it.

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

R=bnc@chromium.org

Change-Id: Iddfd5db602daa2e4b1375f6f6d4890c2ba9be17d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2065128
Commit-Queue: Nick Harper <nharper@chromium.org>
Commit-Queue: Bence Béky <bnc@chromium.org>
Auto-Submit: Nick Harper <nharper@chromium.org>
Reviewed-by: Bence Béky <bnc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#742852}

DEPS

@@ -302,7 +302,7 @@ 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': '4f95c4097fa1bc7f123547e47ecf804abaa526cd',
+  'quiche_revision': '7c89615d6dd74bbb019f2d5413528baef363cec4',
   # 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

@@ -261,9 +261,6 @@ QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_enable_version_t099, true)
 // A testonly reloadable flag that will always default to false.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_testonly_default_false, false)
 
-// If true, frames will be hold in an optimized wrapper data structure.
-QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_interval_deque, true)
-
 // If true, the QUIC dispatcher will drop INITIAL packets that are too small.
 QUIC_FLAG(bool,
           FLAGS_quic_reloadable_flag_quic_drop_small_initial_packets,
@@ -282,13 +279,6 @@ QUIC_FLAG(
     FLAGS_quic_reloadable_flag_quic_bw_sampler_remove_packets_once_per_congestion_event2,
     true)
 
-// If true, QuicCryptoServerStream creates its HandshakerDelegate in its
-// constructor instead of in OnSuccessfulVersionNegotiation.
-QUIC_FLAG(
-    bool,
-    FLAGS_quic_reloadable_flag_quic_create_server_handshaker_in_constructor,
-    true)
-
 // In BBR, slow pacing rate if it is likely causing overshoot.
 QUIC_FLAG(
     bool,