Don't set LD_LIBRARY_PATH to the ART module for any tests. am: 56ab4a6915

Original change: https://android-review.googlesource.com/c/platform/art/+/2967365

Change-Id: I6ffce9cde2cc7e42116ac440cfc5fee08274f934
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>