Fix the issue that the top of fullscreen dialog is clipped away

The visibility of status bar comes from the top fullscreen window,
not from the focused window.
That has to be taken into account during the calculation of the
decor rect. You can use mTopIsFullscreen for this purpose.

Change-Id: I6159eb2ee389885cf5ab507157f9451841364d2f
fix number picker blue line and highlight

Change-Id: I473c855a0e2cd068e62cd2ec4b807c04215b1c81

Conflicts:
	core/res/res/values/colors.xml