Remove python bin declaration in switcher script am: e1ceb9a9c5 am: 9e6196c3be am: 236e06cf92 am: 9f63465f10

Original change: https://android-review.googlesource.com/c/platform/tools/doc_generation/+/1825736

Change-Id: Iffefe39e6e6a08949c6f43297160f941533fde50
tree: b01c04b523e6a36bd765224d36e3d11e646229fa
  1. Android.bp
  2. switcher4.py