
Support Injectable Audio Codecs from the Java SDK. The PeerConnectionFactory.Builder defaults to BuiltinAudio(Encoder|Decoder)Factory, but other implementations are permitted via the Audio(Encoder|Decoder)FactoryFactory interface. Bug: webrtc:9916 Change-Id: I61ad4a6e57666bc1be79daf5f40b129e0eacad84 Reviewed-on: https://webrtc-review.googlesource.com/c/107711 Commit-Queue: Lennart Kolmodin <kolmodin@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25478}