build: Parse TARGET_COPY_FILES_OVERRIDES late in the setup

Change-Id: Ie3e4a168ff224e3b65e4627c0757e8813a02167f
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_build into lp5.0

Signed-off-by: scott <scott@ubuntu.com>

Conflicts:
	core/config.mk

Change-Id: I60a5027116292ebd39412cb024007b136b646c99