git: openjdk/jdk: 8256806: Shenandoah: optimize shenandoah/jni/TestPinnedGarbage.java test

[Aleksey Shipilev]

Changeset: 86f36027
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2020-11-20 21:45:13 +0000
URL:       https://github.com/openjdk/jdk/commit/86f36027

8256806: Shenandoah: optimize shenandoah/jni/TestPinnedGarbage.java test

Reviewed-by: rkennke

! test/hotspot/jtreg/gc/shenandoah/jni/TestPinnedGarbage.java