Import AudioDevice and VideoFrameSource directly from RingRTC

ts/test-both/helpers/fakeGetGroupCallVideoFrameSource.ts

@@ -1,6 +1,7 @@
 // Copyright 2021 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
-import { VideoFrameSource } from '../../types/Calling';
+
+import type { VideoFrameSource } from 'ringrtc';
 
 const COLORS: Array<[number, number, number]> = [
   [0xff, 0x00, 0x00],