Dotty

introduce `scala.annotation.documented` #36974

Job	Run time
test_non_bootstrapped	0s
test	1h 9m 26s
test_windows_fast	35m 4s
community_build_b	1h 23m 47s
community_build_c	53m 13s
community_build_a	55m 5s
test_sbt	20m 44s
MiMa	10m 3s
build-sdk-package / build	9m 57s
test_windows_full	0s
test_java8	0s
test_scala2_library_tasty	0s
build-msi-package	-1s
test-msi-package	-1s
build-chocolatey-package / build	21s
test-chocolatey-package	-1s
publish_release	0s
	5h 37m 37s

Provide feedback