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RestartArcSession() can reuse the upgrade_params_ data that was
previousely set. Moving the content is not appropriate.

BUG=b:143439620
BUG=b:142144019
BUG=b:143092860
TEST=ArcSessionRunnerTest.Restart
TEST=`adb reboot` successfully restarts the ARC container.

Change-Id: Ie7a9254e03de29efde94a4a8918e80a1b871471c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1883427Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Commit-Queue: Kazuhiro Inaba <kinaba@chromium.org>
Auto-Submit: Kazuhiro Inaba <kinaba@chromium.org>
Cr-Commit-Position: refs/heads/master@{#709869}