Remove python bin declaration in switcher script am: 989ece3570

Original change: https://googleplex-android-review.googlesource.com/c/platform/tools/doc_generation/+/15831227

Change-Id: I02780d3dbc8362adcac90e98e62ffd56c48c5b75
tree: b01c04b523e6a36bd765224d36e3d11e646229fa
  1. Android.bp
  2. switcher4.py