Issue Description:


Touchpad is not working on eve M70 channel:

I can't single tap to click anymore, or push the button to click. If I use two fingers to click, it registers a single click.


https://listnr.corp.google.com/report/85660075584


CHROME VERSION
 70.0.3538.16 dev
CHROMEOS_ARC_STATUS
 disabled
CHROMEOS_AUSERVER
 <URL: 4>
CHROMEOS_RELEASE_BOARD
 eve-arcnext-signed-mpkeys
CHROMEOS_RELEASE_DESCRIPTION
 11021.13.0 (Official Build) dev-channel eve-arcnext
CHROMEOS_RELEASE_TRACK
 dev-channel
CHROMEOS_RELEASE_VERSION
 11021.13.0
ENTERPRISE_ENROLLED
 Managed
cpu
 Intel(R) Core(TM) i7-7Y75 CPU @ 1.30GHz
expi
  3300102 3300130 3313324 3313337 3313580 3314481 3314569 3314573 
hardware_class
 EVE D6B-A4E-B4C-F8N-P8A-A24
routes
 [ ip -4 rule list ]
0:	from all lookup local 
1:	from all lookup main 
32766:	from all lookup main 
32767:	from all lookup default 

[ ip -4 route show table main ]
default via <IPv4: 23> dev wlan0 metric 1 
<IPv4: 36>/16 dev wlan0 proto kernel scope link src <IPv4: 20> 
<IPv4: 37>/30 dev arcbr0 proto kernel scope link src <IPv4: 15> 
[REDACTED_PSD]
 web_data count: 72