Reason for revert: Broke FYI bots because SetConfiguration is pure virtual and MockPeerConnectionImpl doesn't implement it. Need to reland with SetConfiguration not pure virtual. Original issue's description: > Adding PeerConnectionInterface::SetConfiguration method. > > Also updated the JNI and Objective-C bindings. Later, will have a CL to > remove UpdateIce, which this method effectively replaces. > > BUG=webrtc:4945 > > Committed: https://crrev.com/70702afbcb8418fe93747e7ed63bcbf5e56b90e9 > Cr-Commit-Position: refs/heads/master@{#10040} TBR=guoweis@webrtc.org,pthatcher@webrtc.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=webrtc:4945 Review URL: https://codereview.webrtc.org/1361263002 Cr-Commit-Position: refs/heads/master@{#10041}