WPT import https://crrev.com/c/987912 introduced new failures in external/wpt/webaudio:

List of new failures:
external/wpt/webaudio/the-audio-api/the-gainnode-interface/idl-test.html new failing tests: https://crrev.com/c/987912/4/third_party/WebKit/LayoutTests/external/wpt/webaudio/the-audio-api/the-gainnode-interface/idl-test-expected.txt

This import contains upstream changes from d01ce1055e8f0d1fb16193a342d8e7b0e1acd367 to 067f918f9a723736dcf9bf29b64184d2bdb70861:
Update the name of webaudio to web-audio-api: https://github.com/w3c/web-platform-tests/commit/067f918f9a723736dcf9bf29b64184d2bdb70861 [affecting this directory]