git: openjdk/mobile: 8234423: Modifying ArrayList.subList().subList() resets modCount of subList

[duke]

Changeset: 78c4ab44
Author:    Ivan Gerasimov <igerasim at openjdk.org>
Date:      2020-01-09 15:38:41 +0000
URL:       https://git.openjdk.java.net/mobile/commit/78c4ab44

8234423: Modifying ArrayList.subList().subList() resets modCount of subList

Reviewed-by: rriggs

! src/java.base/share/classes/java/util/ArrayList.java
+ test/jdk/java/util/ArrayList/SubListModCount.java