Explicitly finalize job process pool and attributes. am: 2868cf6b07 am: 4838dffac7
am: 109be7fb06

Change-Id: I09298e027ecbc2ecf79cdc81c10514a9ddb789c5
tree: 5dd75a8aacb58c5c9e9d6c3a0ffe5082bb329e61
  1. harnesses/
  2. host_setup/
  3. .clang-format
  4. .gitignore
  5. OWNERS