darwin: fix make prepare, force prebuilt host compiler

android: fix makefile to build on AOSP

current AOSP (master) seems a bit different regarding
the variable $(TARGET_OUT_INTERMEDIATES)

Change-Id: Iffc3dfb1f015263ad32447fa5b8855fb54560562
selinux: remove dependency on libsepol static lib

runcon applet is including flask.h for constants

the only one required is SECCLASS_PROCESS (2)

Change-Id: Ia57abc21b291e7cbf81fdd031baaa5ac4436cbc8
vi: Fix cursor with utf-8 content (eol)

todo: fix insert if utf-8 is detected in the line

Change-Id: I45f3bcb1820d661d10a08b4a59d667046cda7179
vi: try to insert utf8 at the right place

Change-Id: Ie931cc2dbcef62b9a157c075d2d027c94587cf65