This reverts commit 48cd9dbc5067f266b07541d2eebfb4b88fe455d4. Reason for revert: Breaks downstream project. Original change's description: > An RTCSessionDescription will now return nil from its initializer if the SDP passed to it is invalid. > > Bug: webrtc:13022 > Change-Id: I2f2ad96884cf2f43f5ea95c1210470dd6aa5c919 > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/226980 > Commit-Queue: Jake Bromberg <jakebromberg@google.com> > Reviewed-by: Harald Alvestrand <hta@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#34607} TBR=peah@webrtc.org,hta@webrtc.org,webrtc-scoped@luci-project-accounts.iam.gserviceaccount.com,jakebromberg@google.com Change-Id: Iee05f747e472208f8776944df15d9206485b167e No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: webrtc:13022 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227341 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34615}