This reverts commit 3f4a4fad8cd661309ff5d9a631e89518f32e7c5e. Reason for revert: Breaking internal tests Original change's description: > Added field trial WebRTC-GenericDescriptor for the new generic descriptor. > > Also parameterized tests to test the new generic descriptor and > added --generic_descriptor flag to loopback tests. > > Bug: webrtc:9361 > Change-Id: I2b76889606fe2e81249ecdebb0b7b61151682485 > Reviewed-on: https://webrtc-review.googlesource.com/101900 > Commit-Queue: Philip Eliasson <philipel@webrtc.org> > Reviewed-by: Erik Språng <sprang@webrtc.org> > Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> > Reviewed-by: Stefan Holmer <stefan@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#24835} TBR=danilchap@webrtc.org,sprang@webrtc.org,stefan@webrtc.org,philipel@webrtc.org Change-Id: I4d4714a9f4ab0e95adf0f4130bc1a932efc448fa No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: webrtc:9361 Reviewed-on: https://webrtc-review.googlesource.com/101940 Reviewed-by: Lu Liu <lliuu@webrtc.org> Commit-Queue: Lu Liu <lliuu@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24839}