fix(android): Allow loading local files

(apache#883)

Author: jeansparipassu

src/android/InAppBrowser.java

@@ -955,6 +955,13 @@ public boolean onShowFileChooser (WebView webView, ValueCallback<Uri[]> filePath
                 settings.setBuiltInZoomControls(showZoomControls);
                 settings.setPluginState(android.webkit.WebSettings.PluginState.ON);
 
+                if (preferences.getBoolean("AndroidInsecureFileModeEnabled", false)) {
+                    LOG.d(LOG_TAG, "Enabled insecure file access");
+
+                    settings.setAllowFileAccess(true);
+                    settings.setAllowUniversalAccessFromFileURLs(true);
+                }
+
                 // Add postMessage interface
                 class JsObject {
                     @JavascriptInterface