Update CODEOWNERS to match subdirectories #276

Job	Run time
setup	1s
lint	2m 54s
build-modules (ubuntu-latest, activity)	3m 8s
build-modules (ubuntu-latest, appcompat)	9m 43s
build-modules (ubuntu-latest, biometric)	6m 47s
build-modules (ubuntu-latest, collection)	11m 25s
build-modules (ubuntu-latest, compose-runtime)	17s
build-modules (ubuntu-latest, core)	11m 57s
build-modules (ubuntu-latest, datastore)	9m 4s
build-modules (ubuntu-latest, fragment)	14m 11s
build-modules (ubuntu-latest, lifecycle)	15m 30s
build-modules (ubuntu-latest, navigation)	16m 58s
build-modules (ubuntu-latest, paging)	18m 3s
build-modules (ubuntu-latest, room)	17s
build-modules (ubuntu-latest, sqlite)	7m 40s
build-modules (ubuntu-latest, work)	10m 54s
	2h 18m 49s

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