Make NOTREACHED_IN_MIGRATION non-fatal

BUG=b:367556630
TEST=CQ

Change-Id: I3eebfc618a0b05bd0b20225a1c53e602ad443789
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/libchrome/+/5869630
Reviewed-by: Grace Cham <hscham@chromium.org>
Tested-by: Ryo Hashimoto <hashimoto@chromium.org>
Commit-Queue: Ryo Hashimoto <hashimoto@chromium.org>
(cherry picked from commit 993a5c378d314e807faa8c3b1848cc4073038dbd)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/libchrome/+/5890185
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
1 file changed