Use SeqNumUnwapper to handle reordering of first packets

Fixed todo by replacing SequenceNumberUnwrapper with updated class
SeqNumUnwrapper that correctly handles reordering of early packets.

Bug: webrtc:10263
Change-Id: Iffd93db924fee132d35752996b8d29acbb315d24
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/130498
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Johannes Kron <kron@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27417}
diff --git a/modules/remote_bitrate_estimator/BUILD.gn b/modules/remote_bitrate_estimator/BUILD.gn
index 055ae68..91e8a77 100644
--- a/modules/remote_bitrate_estimator/BUILD.gn
+++ b/modules/remote_bitrate_estimator/BUILD.gn
@@ -50,6 +50,7 @@
     "../../modules/rtp_rtcp:rtp_rtcp_format",
     "../../rtc_base:checks",
     "../../rtc_base:rtc_base_approved",
+    "../../rtc_base:rtc_numerics",
     "../../rtc_base:safe_minmax",
     "../../rtc_base/experiments:field_trial_parser",
     "../../system_wrappers",