message: Provide a way to control number of jobs for PIP package build
  This change resolves issue.
  example)
  $ BUILD_NUM_JOBS=1 tensorflow/lite/tools/pip_package/build_pip_package_with_cmake.sh
diff: @@ -114,7 +114,7 @@ case "${TENSORFLOW_TARGET}" in
  ;;
  esac
  -cmake --build . --verbose -j -t _pywrap_tensorflow_interpreter_wrapper
  +cmake --build . --verbose -j ${BUILD_NUM_JOBS} -t _pywrap_tensorflow_interpreter_wrapper
  cd "${BUILD_DIR}"
  case "${TENSORFLOW_TARGET}" in
  