Revert "libsepol.a: remove HAVE_SELINUX ifdef"

This reverts commit 5b74ac1fe4998d60ad47cb217492d612b4784fe2.

Change-Id: I3dd8ef969285408996203b18a40bdf7f116db990
Revert "device: allow to build libsepol static lib"

This reverts commit cac53fd3d5cb1cc79b21d0b2b877e98f1e722f6c.

Change-Id: I16d23cb4f08492f89ca6ff897356491f07ee7934