Merge "Fix possible NPE on People" into ics-mr1

    @Override

    protected void onDestroy() {

        // mActionBarAdapter will be null here when redirecting to another activity in

        // configureContentView().

        // Some of variables will be null if this Activity redirects Intent.

        // See also onCreate() or other methods called during the Activity's initialization.

        if (mActionBarAdapter != null) {

            mActionBarAdapter.setListener(null);

        }

        if (mContactListFilterController != null) {

            mContactListFilterController.removeListener(this);

        }

        super.onDestroy();

    }