/usr/lib/x86_64-linux-gnu/libwebrtc_audio_processing.so.0 is in libwebrtc-audio-processing-0 0.1-2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libwebrtc_audio_processing.so.0.0.0