A Button will only ever show gamepad/keyboard focus if in use.
A Button will only ever show gamepad/keyboard focus if in use.

If only touch/mouse is active it won't be shown.
This follows the same behavior as the existing IsLastEventPointerType()

Change-Id: I60ceea0c6b1a94be8d2214c25f6f11ca7fa9ecd6
Tested: on Linux.
Bug: 24460359

google/flatui,google/flatui,google/flatui,google/flatui