Revert "Fix syscalls on 4.3's bionic"

This reverts commit 7b91e6a8b92b504af72224344c5ef7f587562c62.

Conflicts:
	include-full/autoconf.h
	include-minimal/autoconf.h
arm: update syscalls from bionic
arm: update and track syscall wrapper for reduced code size

Summary: Credit for the great syscall wrapper goes to kito-chen of 0xlab

Test Plan: win

Reviewers: randall.rushing, ConnorBaker, synergy

Reviewed By: synergy

Differential Revision: http://review.codefirex.com/D419
Update syscalls & fix build with UAPI headers

Summary: Also removed the syscall wrapper for now as it needs to be redone and was causing runtime issues.

Test Plan: verified here with merges

Reviewers: randall.rushing, jriordan001, anders3408

Differential Revision: http://review.codefirex.com/D251
networking: fix build

- use public nameser header;
  These headers have been exposed publicly as in the BSDs.

- include bionic/libc/dns/include as well for newly exposed
  headers