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

[duke]

Changeset: 6383ef09
Author:    Vicente Romero <vicente.romero at oracle.com>
Date:      2020-10-05 16:49:38 +0000
URL:       https://git.openjdk.java.net/amber/commit/6383ef09

adding more binary compatibility tests

! test/langtools/tools/javac/sealed/BinaryCompatibilityTests.java

Changeset: 4d39c2ff
Author:    duke <duke at openjdk.org>
Date:      2020-10-06 03:21:24 +0000
URL:       https://git.openjdk.java.net/amber/commit/4d39c2ff

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