Restore saved state across config changes

The saved state bundle was being saved but not restored. Normally
this doesn't matter but some views (notably DialogPreference) was
saving it's show/hide state and relaunching itself after a rotation
based on what was in the bundle.

Fixes bug 15559669.

Change-Id: I06fc2f6bb4f96e1d17f7b35514de50f3e345fd89
1 file changed