bug:3396894 (HC branch) remove STOPSHIP code

    private void lock(boolean forced) {

        // make sure this method is NOT being called from a 'synchronized' method

        if (Thread.holdsLock(this)) {

            // STOPSHIP change the following line to Log.w()

            throw new IllegalStateException("don't lock() while in a synchronized method");

            Log.w(TAG, "don't lock() while in a synchronized method");

        }

        verifyDbIsOpen();

        if (!forced && !mLockingEnabled) return;