full_restore: Restore minimized app by minimized ghost window

Previously the ghost window of minimized ARC app will be launched
as normal window state incorrectly. This CL fix the error.

BUG=b:195718602
TEST=Restore minimized ARC manually and check the window state

Change-Id: I58b4f44e88dee00270fb72c447f1155a7c30ebcb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3084284


Reviewed-by: Nancy Wang <nancylingwang@chromium.org>
Commit-Queue: Shengsong Tan <sstan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#910217}