message: Restore mx_VoiceMessagePrimaryContainer class
diff: @@ -177,7 +177,7 @@ export default class VoiceRecordComposerTile extends React.PureComponent<IProps,
  }
  // only other UI is the recording-in-progress UI
  - return <div className="mx_MediaBody mx_VoiceRecordComposerTile_recording">
  + return <div className="mx_MediaBody mx_VoiceMessagePrimaryContainer mx_VoiceRecordComposerTile_recording">
  <LiveRecordingClock recorder={this.state.recorder} />
  <LiveRecordingWaveform recorder={this.state.recorder} />
  </div>;
  