message: Remove old cmake before installing new cmake, cmake-data
  The old cmake has a file that conflicts with new cmake-data, and
  apt-get does not see that everything will be fine.
diff: @@ -22,6 +22,11 @@ echo
  echo "========================================"
  echo "Host install packages"
  echo "----------------------------------------"
  +# We need to remove cmake (which is in an ancient version in kokoro) before
  +# reinstalling a new cmake and cmake-data as the new cmake-data contains
  +# a file that was previously installed with cmake and thus conflicts.
  +sudo apt-get remove -y cmake
  +
  sudo apt-get install -y \
  ant \
  bash \
  