Basic support for overlay databases #230

Job	Run time
Upload debug artifacts after failure in analyze (stable-v2.20.3)	1m 38s
Upload debug artifacts after failure in analyze (nightly-latest)	1m 40s
Upload debug artifacts after failure in analyze (default)	1m 37s
Upload debug artifacts after failure in analyze (linked)	1m 40s
Download and check debug artifacts after failure in analyze	5s
	6m 40s

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