This PR fixes a few issues in the Quickstarts that were found when testing with Xcode 12 Beta 2 and iOS 14 Beta 2
The CameraSource was not being shutdown properly when switching audio devices in the Audio Device Example app
The SceneDelegate in the VideoQuickstart was not being compiled under Xcode 12. Tweaked the Macro used to skip the file with Xcode 10.
Contributing to Twilio
All third-party contributors acknowledge that any contributions they provide will be made under the same open-source license that the open-source project is provided under.
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This PR fixes a few issues in the Quickstarts that were found when testing with Xcode 12 Beta 2 and iOS 14 Beta 2
Contributing to Twilio