Modify text validation behavior.
Modify text validation behavior.

-Only perform validation when the view is *losing* focus.
-Don't perform validation when the window focus changes. This causes odd
behavior like validation being peformed when menu is pressed, or long
press dialogs pop-up.

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base