Add isInMultiWindowMode bool to all logs.

Example output:
D/UserEvent: action:LONGPRESS
       Source child:WORKSPACE id=0
       Elapsed container 1850 ms session 1850 ms action 0 ms
       isInMultiWindowMode true

Bug: 34250955

Change-Id: If21484e8bbb0f4f311c2eb6e94b7dcea6d2431af