GitLab

 - Adds the touch calibration setting to settings > display
 - Adds a command line switch to enable the settings.
 - Updates system_display.idl to add a new parameter.

BUG=634166
COMPONENT=System Display API, ChromeOS Switch, md settings
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2620073002
Cr-Commit-Position: refs/heads/master@{#443052}