DocumentsUI: Phone Home

Make Storage Setting Phone the app that launch it instead of Phoning the app it belong to.

src/com/android/documentsui/files/ActionHandler.java

@@ -152,6 +152,7 @@ public void openSelectedInNewWindow() {
     public void openSettings(RootInfo root) {
         Metrics.logUserAction(MetricConsts.USER_ACTION_SETTINGS);
         final Intent intent = new Intent(DocumentsContract.ACTION_DOCUMENT_ROOT_SETTINGS);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
         intent.setDataAndType(root.getUri(), DocumentsContract.Root.MIME_TYPE_ITEM);
         mActivity.startActivity(intent);
     }