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This CL adds trace event in the following AudioNodes based on the
popularity:
- GaindNode
- AudioBufferSourceNode
- PannerNode
- BiquadFilterNode

It also adds trace event below to get the detailed tracing data from
some problem areas.
- AudioWorkletNode
- MediaStreamAudioSourceNode
- MediaStreamAudioDestinationNode

Bug: 1065982
Change-Id: I0758786aa418ec3dc992333012f0da0f8867f636
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2127731Reviewed-by: Raymond Toy <rtoy@chromium.org>
Reviewed-by: Sami Kyöstilä <skyostil@chromium.org>
Commit-Queue: Hongchan Choi <hongchan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#754913}