apkcrawler: Store screenshots.

Each time we explore an activity, store a screenshot with a unique
filename.

I also commented out the adb installation process to simplify
running the application and allow the inspection of any UI.

Change-Id: I1bb13c57ca0041ab167e790d0b3ba4199fa7183f
3 files changed
tree: de14417e9efc1e928340d939588c1acb57085ebd
  1. .gitignore
  2. crawlui.py
  3. main.py