message: Avoids crash in ADM for Android
  Tbr: henrik.lundin
  Cr-Commit-Position: refs/heads/master@{#30197}
diff: @@ -426,6 +426,9 @@ class WebRtcAudioRecord {
  Logging.w(TAG, "AudioManager#getActiveRecordingConfigurations() requires N or higher");
  return 0;
  }
  + if (audioRecord == null) {
  + return 0;
  + }
  // Get a list of the currently active audio recording configurations of the device (can be more
  // than one). An empty list indicates there is no recording active when queried.
  List<AudioRecordingConfiguration> configs = audioManager.getActiveRecordingConfigurations();
  