git: openjdk/jcstress: CODETOOLS-7902998: jcstress: Add new ThreadMXBeanAlloc test

[duke]

Changeset: 351029b8
Author:    Aleksey Shipilëv <shade at redhat.com>
Committer: GitHub <noreply at github.com>
Date:      2021-07-26 13:24:09 +0000
URL:       https://git.openjdk.java.net/jcstress/commit/351029b85c75e393fb9b79aa2f120e3c6ba79d54

CODETOOLS-7902998: jcstress: Add new ThreadMXBeanAlloc test


+ tests-custom/src/main/java/org/openjdk/jcstress/tests/mxbeans/ThreadMXBeanAlloc.java