Apart from making the map smaller, a purpose of this is guaranteeing
that if a module has been deactived it will not receive new packets
from the pacer, which will be needed for deferred sequencing.
Bug: webrtc:11340
Change-Id: I171a13413c5b8d3fa569c2d56bd9a54bff7c7976
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/208542
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33335}
61d1773c03