46bd31b994
Changes: 1. Added MockTransport. 2. Added VoiceEngineFixture class to be used in VoE unit tests. This class is in no way final as it is - it will grow as we add more unit tests and our understanding of the Voice Engine grows. 3. Modified VoEBase unit test to use VoiceEngineFixture. 4. Added VoENetwork unit test. R=henrika@webrtc.org, kwiberg@webrtc.org Review URL: https://webrtc-codereview.appspot.com/49759004 Cr-Commit-Position: refs/heads/master@{#9118}