Update ktlint.py hashbang to Python 3 am: e0287ddf91 am: 4dfff5abad am: 5ec9533779

Original change: https://android-review.googlesource.com/c/platform/prebuilts/ktlint/+/1889435

Change-Id: I9e675633c7cc1bcfa2d5eaa35cbe950da0631286
tree: bc40932100385b82c124856746e4b21176c71ed4
  1. ktlint-android-all.jar
  2. ktlint.py
  3. LICENSE