build: Parse TARGET_COPY_FILES_OVERRIDES late in the setup

Change-Id: Ie3e4a168ff224e3b65e4627c0757e8813a02167f
build: Fix QCOM_BSP_LEGACY cflags

Change-Id: I880f32892d9e082e3ba92878414f3cb3c6f08066
Fix QCOM_BSP_LEGACY

Checks in the Android.mk files do not active the cflags for .h
files, causing a build that crashes constantly.

Change-Id: I315c760488445629fda860ba70066417c7d68b8b