Revert "Enable upstream OpenJDK core-ojtests in run-libcore-tests.sh" am: 6332a75b72 am: 592d9ec805

Original change: https://android-review.googlesource.com/c/platform/art/+/2059690

Change-Id: I70f62c07edaaeb528389fbb6f32b39e2ed62f764
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>