git: openjdk/amber: amber-demo-II: 2 new changesets

[duke]

Changeset: 3188b2e7
Author:    Robin Westberg <rwestberg at openjdk.org>
Date:      2020-04-15 06:56:18 +0000
URL:       https://git.openjdk.java.net/amber/commit/3188b2e7

8242624: Update .jcheck/conf for project Amber

Reviewed-by: duke, ehelin, chegar

! .jcheck/conf

Changeset: 367c8feb
Author:    duke <duke at openjdk.org>
Date:      2020-04-15 08:05:04 +0000
URL:       https://git.openjdk.java.net/amber/commit/367c8feb

Automatic merge of sealed-types into amber-demo-II