Merge "Fix exception when trying to update config of detached stack" into nyc-dev

    }

    private boolean updateBoundsAfterConfigChange() {

        if (mDisplayContent == null) {

            // If the stack is already detached we're not updating anything,

            // as it's going away soon anyway.

            return false;

        }

        final int newRotation = getDisplayInfo().rotation;

        final int newDensity = getDisplayInfo().logicalDensityDpi;