Add KEYCODE_WINDOW mapping to USB HID Usage consumer page (0x0c/0x67) "Picture-in-Picture Toggle"

cc https://www.usb.org/sites/default/files/ce_devices_0.pdf



Change-Id: Iac94535823fa0a97e1a926d28d6f7376c11b8bf0
Signed-off-by: Aman Gupta <aman@tmm1.net>