Adam Powell 8515ee846b Fix bug 3240444 - add OnMenuVisibilityListener for action bar.
Fix bug 3180015 - leaking window handles on configuration change for
action bar dropdown menus

Rename ActionBar.NavigationCallback to something more consistent with
the rest of the API.

Change-Id: Ic1fb4c07484c57a72649b30e27d220b18cda6cdf
2010-12-01 13:03:44 -08:00
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