
In addition: - Introduces RTCAudioSessionTest - iOS/Mac gtests now have an autoreleasepool - Moves ScopedAutoreleasePool to rtc_base_approved - Introduces route change button in AppRTCDemo BUG=webrtc:5649 Review URL: https://codereview.webrtc.org/1782363002 Cr-Commit-Position: refs/heads/master@{#11971}