code: public static void setAndroidLScanningDisabled(boolean disabled) {
          sAndroidLScanningDisabled = disabled;
          BeaconManager instance = sInstance;
          if (instance != null) {
              instance.applySettings();
          }
      }
docs: Allows disabling use of Android L BLE Scanning APIs on devices with API 21+
  If set to false (default), devices with API 21+ will use the Android L APIs to
  scan for beacons
  
  @param disabled