Update configuration whenever the visible window is laid out.

The configuration update during layout is currently restricted to
whether the client is hidden. This does not cover all the conditions
where the window can be laid out, such as if it is the starting
window.

This changelist makes sure the same condition is used in both cases.

Change-Id: I64a2f70718b949f3803e8cafcdabd2be5b5885e6
Fixes: 67027059
Test: Repeatedly open Gmail and ensure no jump-cut occurs.