Anthias: Touch: 18676729: add time stamp when touch leaving low power mode to avoid display blank

Change-Id: I77d6edd6fe4ddd2d4feff0c2b6736682d850a2d7
Reviewed-on: http://mcrd1-22-pc.corpnet.asus/code-review/master/154590


Reviewed-by: Cliff Yu <cliff_yu@asus.com>
Tested-by: Cliff Yu <cliff_yu@asus.com>
Reviewed-by: Tom Chu <tom_chu@asus.com>
Tested-by: Tom Chu <tom_chu@asus.com>