This CL allows us to control how many probes we send when the bandwidth allocation is updated, and how big they are. Bug: webrtc:10394 Change-Id: I19e40740a528f83384b65d7509295034cc9a3031 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/129904 Commit-Queue: Jonas Olsson <jonasolsson@webrtc.org> Reviewed-by: Sebastian Jansson <srte@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27317}