[devicelab] Polish android sdk module.

Bug: https://github.com/flutter/flutter/issues/53789
Change-Id: I940efe2a1c83004e6a25fca8f815b327baf55518
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/3941
Reviewed-by: Godofredo Contreras <godofredoc@google.com>
Commit-Queue: Tong Wu <wutong@google.com>
3 files changed
tree: 86089de7cdda1cda54033413a53fb458024bddb7
  1. infra/
  2. recipe_modules/
  3. recipes/
  4. .gitignore
  5. .style.yapf
  6. recipes.py