Don't move forced resizable info activity to the front

If we start the forced resizable activity with an existing task,
avoid moving that task to the front. This can cause that a previous
task that was moved to the back gets moved to the front again just
because we started that activity. That's not good.

Bug: 28223489
Change-Id: If8acf31b8be98b82665de1015d5621331c37fb64