Revert "Enable upstream OpenJDK core-ojtests in run-libcore-tests.sh"

This reverts commit 9bf964465ad47a385b326d928ac9b2f263cfab71.

Reason for revert: breaks go/art-buildbot

Change-Id: Ica2872d5f5dd6ad85ccecfce263d6335a575362e
2 files changed