Merge "convert HOTSEAT_MIGRATE_TO_FOLDER to DebugFlag" into ub-launcher3-rvc-dev am: 690d38d7fc

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/11917531

Change-Id: I7b099ca7cb60d3cba4c5de966de579894b21b6cb