Merge changes I02b369f1,If18be210,I0bdf76f8,I5fa64d60

* changes:
  vndk-def: Exclude banned libs from vndk set.
  vndk-def: Add path separator to the end of pattern.
  vndk-def: Add libselinux.so to blacklist.
  vndk-def: Refactor warnings for banned lib usages.