Let external/mksh install directly into /system/bin/sh.

Change-Id: I3ac60af2b5c6bba98c33cb63952eb4d35676d73f

Conflicts:
	sh/Android.mk
Fix audio flags ifdeffing for qcom

Change-Id: I8183eaabe9ca9951f06256dfc761617f7c38b3d4

Conflicts:
	include/system/audio.h