timob-1512: fix menu options for windows in tab.

Conflicts:

	android/modules/ui/src/java/ti/modules/titanium/ui/TiUIActivityWindow.java
timob-1512: 2nd fix

Conflicts:

	android/modules/ui/src/java/ti/modules/titanium/ui/TiUIActivityWindow.java
timob-1512: Add comments
timob-1512: addressed comments
timob-1512: refactor MenuItemProxy
timob-1512: remove unused import
Merge pull request #3740 from hieupham007/timob-1512-3_0_X

Timob 1512 3 0 x