AIDEgen: add gitignore file

Add gitignore to ignore file not part of source code.

Bug:

Test: source build/envsetup.sh; lunch
      cd tools/asuite/aidegen; ./run_tests.sh
      git status # won't see untracked files.

Change-Id: I582462dad57e30206aeb6b429ef03a53bfb82faf
1 file changed
tree: 8cd6316a3638d0dfc740c1bde151f92e6f6eb478
  1. aidegen/
  2. aidegen_functional_test/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. pylintrc