Add inputConfig to winscope protos

This is needed to further understand the dispatching decisions.

In one of the bugs, the dispatcher sent an event to two windows and
ended up with two foreground windows at the same time. That shouldn't
occur.

This logging in needed to figure out how the dispatcher got there.

Bug: 287860440
Test: none
Change-Id: I1021ab19ee450361974a61d39c45fd5f134b100b