am 3379b3a4: Merge "Revert "Use PRIVATE_POST_INSTALL_CMD to simplify executable_prefer_symlink.mk""

* commit '3379b3a461c1a96485c3a4e2ee76c83d59c49f7a':
  Revert "Use PRIVATE_POST_INSTALL_CMD to simplify executable_prefer_symlink.mk"