Support shorthand forms for `getRemoteConfig` #4041

Job	Run time
Upload debug artifacts after failure in analyze (stable-v2.20.3)	2m 1s
Upload debug artifacts after failure in analyze (nightly-latest)	2m 5s
Upload debug artifacts after failure in analyze (linked)	1m 56s
Upload debug artifacts after failure in analyze (default)	2m 15s
Download and check debug artifacts after failure in analyze	8s
	8m 25s

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