02739d9149
This change allows more callbacks to be registered to the test object. The callbacks are used to give the user of the test object the ability to instrument the test object. This CL specifically adds instrumentation points just after a packet is inserted into NetEq, and just after audio is pulled out of NetEq. BUG=webrtc:7467 Review-Url: https://codereview.webrtc.org/2851383004 Cr-Commit-Position: refs/heads/master@{#18014}