Upgrade metalava lint prebuilts to 31.4.0-alpha02

./update-metalava-lint-deps.sh 31.4.0-alpha02 314713392

Bug: 314713392
Test: m update-api
Change-Id: If67cf7c7d3b3f7ec7a3ea6850067138c116ef440
199 files changed
tree: 98b5cd854e841a7437e86b9d99ff792fd3ebf8f8
  1. com/
  2. .gitignore
  3. Android.bp
  4. METADATA
  5. update-metalava-lint-deps.sh