RFR: 8232056: GetOwnedMonitorInfoWithEATest.java fails with ZGC: Heap too small

[Per Liden]

The newly added:

GetOwnedMonitorInfoWithEATest.java
GetOwnedMonitorStackDepthInfoWithEATest.java

fail when run with ZGC as they set -Xmx to 32M which is too. Bumping to 
128m.

Bug: https://bugs.openjdk.java.net/browse/JDK-8232056
Webrev: http://cr.openjdk.java.net/~pliden/8232056/webrev.0

/Per