Changed invocation of Webview's evaluateJavascript method to work with Webview implementations that do not inherit from SystemWebView (e.g. XWalkCordovaView).
Changed invocation of Webview's evaluateJavascript method to work with Webview implementations that do not inherit from SystemWebView (e.g. XWalkCordovaView).

manifoldjs/ManifoldCordova,manifoldjs/ManifoldCordova,manifoldjs/ManifoldCordova