public Builder configureXFrame(boolean xFrameEnabled) {
      this.xFrameEnabled = xFrameEnabled;
      return this;
    }
Adds the ability to control X_FRAME_OPTIONS on HttpServer2.
@param xFrameEnabled - True enables X_FRAME_OPTIONS false disables it.
@return Builder.
common/src/java/org/apache/hive/http/HttpServer.java