Upgrade itertools to the latest version.

Bug: 339424309
Test: treehugger
Change-Id: I5e7a547b54a18140a1ec89163d00d0ddb0e6b5da
81 files changed
tree: a35c214218e433c6a043a73cb7edb17d382251d0
  1. crates/
  2. pseudo_crate/
  3. .gitignore
  4. METADATA
  5. OWNERS
  6. PREUPLOAD.cfg