The previous default size was 256kB. The increase reduces packet loss at very high/bursty receive rates. Bug: chromium:41485050 Change-Id: I2cf24b14e704bfd855701461afd3060ac078df70 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/340340 Auto-Submit: Erik Språng <sprang@webrtc.org> Commit-Queue: Philip Eliasson <philipel@webrtc.org> Reviewed-by: Philip Eliasson <philipel@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41820}