docs: protected void updateBaseUrl() {
          Log.d(IMapView.LOGTAG, "updateBaseUrl");
          final String subDomain = mImageryData.getSubDomain();
          final int idx = mImageryData.m_imageUrl.lastIndexOf("/");
          if (idx > 0) {
              mBaseUrl = mImageryData.m_imageUrl.substring(0, idx);
          } else {
              mBaseUrl = mImageryData.m_imageUrl;
          }
  
          mUrl = mImageryData.m_imageUrl;
          if (subDomain != null) {
              mBaseUrl = String.format(mBaseUrl, subDomain);
              mUrl = String.format(mUrl, subDomain, "%s", mLocale);
          }
          Log.d(IMapView.LOGTAG, "updated url = " + mUrl);
          Log.d(IMapView.LOGTAG, "end updateBaseUrl");
      }