message: Re-add missing argument specifier
  The ":" was erroneously removed in
diff: @@ -37,7 +37,7 @@ fi
  ARCH=armeabi-v7a
  -while getopts "Es:t:Tx:a" opt_name; do
  +while getopts "Es:t:Tx:a:" opt_name; do
  case "$opt_name" in
  E) ENABLE_EXPERIMENTAL_HEXNN_OPS="true";;
  s) SUB_MAKEFILES="${OPTARG}";;
  