Revert "Revert "Revert "Remove double unloading hack""" This reverts commit c0f2e678. Revert "Revert "Revert "Revert "Revert "(dl)Close native libraries on unload""""" This reverts commit 33bae7d5. Still flaky. Bug: 28406866 Change-Id: I31a9ace17c676ac615ed04a9f4ac51582fca55d9