Replace it with a newer, fancier, WorkQueue-inspired one that's just a global common thread pool. Test: hwuiunit passes Change-Id: Ib5d03104a08bbac9a4ec67a1bfc0db2b35d6700f
Test: No code changes, just ran through clang-format Change-Id: Id23aa4ec7eebc0446fe3a30260f33e7fd455bb8c
Test: unit tests & benchmarks pass/faster Change-Id: I9521432172d6dd6039c5280b1265479a36a86247