Revert "Convert all selinux_android_restorecon and _setfilecon calls to new API."

This reverts commit cdd5238dc6c2e33eea19cd4e429be1abded2300e.
Revert "Move restorecon and restorecon_recursive code to libselinux."

This reverts commit 38e85b93f4157ada294687ed117f98ff3224be58.