Add oprofile host tool support for mips.

Provides general build support, and fixes one arm-specific change
in opannotate.

Change-Id: Ib4f8145719fb6b2a1e292b72c2bed044497c55c2
Merge "Add oprofile host tool support for mips."
Merge remote-tracking branch 'aosp/master' into sm-jb-mr1

Conflicts:
	common.mk

Signed-off-by: Paul Beeler <sparksco@gmail.com>