Restore bionic's <linux/elf-em.h>.

Used by <linux/audit.h>.

Change-Id: Ica4ebb7f52a7fce13c52fdff35e187ded3939382

Conflicts:
	libc/kernel/common/linux/elf-em.h

Signed-off-by: Paul Beeler <sparksco@gmail.com>
Update the libm/NOTICE file after the upgrade.

Change-Id: Icf9c44402d6f86117d61307219bb1cccd288854d
Regenerate msm_ion.h.

Bug: 8000377
Change-Id: If496d9972cb8aebfc996ac641aa762220aa71f3b