libc: remove private declarations from <time.h> and <resolv.h>

This patch is used to remove private C library declarations from the
public headers (that are exported to the NDK). It should *only* be
submitted after all other patches modifying the users of said
private functions have been submitted to the tree, to avoid

Change-Id: I0a5e3014f8e3ac9ed8df86a5cdae506337c23252
4 files changed