Revert "Don't use address sanitizer for selinux tools."

This is causing more harm than good. We'll just make these all link
libc++ again (another revert) and work out the CTS issues if they still
exist.

Bug: 19778891

This reverts commit a5113a15.

Change-Id: I35a4c93dae4abb66e3525451d5ce01e33a540895