hg: valhalla/valhalla: [lworld] Disable array covariance tests that failed to compile after JDK-8215507

[ioi.lam at oracle.com]

Changeset: 7e7acdba6556
Author:    iklam
Date:      2019-01-15 20:50 -0800
URL:       http://hg.openjdk.java.net/valhalla/valhalla/rev/7e7acdba6556

[lworld] Disable array covariance tests that failed to compile after JDK-8215507

! test/hotspot/jtreg/runtime/valhalla/valuetypes/ValueTypeArray.java