There are only three users of bionic definition of ALIGN and keeping it
in sys/param.h polutes the namespace.
I inline the definition in the the three places that's used.
Bug: 13400663
Change-Id: I565008e8426c38ffb07422f42cd8e547d53044e9
This is part of the upstream sync (Net/Open/Free BSDs expose the
nameser.h in their public headers).
Change-Id: Ib063d4e50586748cc70201a8296cd90d2e48bbcf