Revert "(dl)Close native libraries on unload"

Failures on test 136.

Bug: http://b/28406866

This reverts commit 35f01195c4cf6e3c6fbb8b51f5a41b26132b4bdd.

Change-Id: I0c581e6f1aeb61285d3b132dbd9508e611ee4258
1 file changed