git: openjdk/mobile: 2 new changesets

[duke]

Changeset: ec4240b3
Author:    Jim Laskey <jlaskey at openjdk.org>
Date:      2020-06-05 11:46:58 +0000
URL:       https://git.openjdk.java.net/mobile/commit/ec4240b3

8246696: Test: java/util/StringJoiner/StringJoinerTest.java failing with OOM

Reviewed-by: sundar

! test/jdk/ProblemList.txt

Changeset: 54df8d11
Author:    duke <duke at openjdk.org>
Date:      2020-06-05 14:56:09 +0000
URL:       https://git.openjdk.java.net/mobile/commit/54df8d11

Automatic merge of jdk:master into master