hg: jdk/sandbox: 8237079: gc/g1/mixedgc/TestLogging.java fails with "Pause Young (Mixed) (G1 Evacuation Pause) not found"

[chris.hegarty at oracle.com]

Changeset: 89e091daad39
Author:    tschatzl
Date:      2020-01-23 14:42 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/89e091daad39

8237079: gc/g1/mixedgc/TestLogging.java fails with "Pause Young (Mixed) (G1 Evacuation Pause) not found"
Summary: Factor out multiple attempts at forcing a mixed gc into a single one and update the tests to use the new code. Change command line arguments for the tests to further decrease the possibility of failures.
Reviewed-by: lkorinth, kbarrett

! test/hotspot/jtreg/gc/g1/mixedgc/TestLogging.java
! test/hotspot/jtreg/gc/g1/mixedgc/TestOldGenCollectionUsage.java
+ test/hotspot/jtreg/gc/testlibrary/g1/MixedGCProvoker.java
! test/jdk/jdk/jfr/event/gc/collection/TestG1ParallelPhases.java