am 7a4b22f6: am 4f99e3c2: Remove native binaries when an updated system application is upgraded through OTA.

Merge commit '7a4b22f6293c7dce2dd667b7ebd171af2eff91a9' into kraken

* commit '7a4b22f6293c7dce2dd667b7ebd171af2eff91a9':
  Remove native binaries when an updated system application is upgraded through OTA.