Layout hidden windows on Configuration change.

Apply the test for configuration change to all windows. A year ago
this was the test but CL ag/247731 which fixed b/7428221 limited the
test to just Keyguard windows. A week later CL ag/248223 which fixed
b/7444971 applied the test to Wallpaper as well. Then two days after
that CL ag/249762 which fixed b/7453222 reverted the wallpaper. This
fix reverts the Keyguard qualification and restores the test to all
windows.

This fix has been tested against the repro steps for all three bugs
above. In addition this fixes bug 11033407. The fix for the bug is
described in the bug.

Change-Id: Ie0f4c7cd4697c1689c4f331d572359cf7ce934cf