[automerger skipped] Add the language switcher to the packages and classes pages for the Android Platform. am: e29e5c7cda am: 73de5679e5 am: 197c862d83 -s ours am: f0917e737b -s ours am: d470564165 -s ours

am skip reason: Change-Id I3b7bcc1489206f6b7eb84846dfdc157d6ffc8306 with SHA-1 e29e5c7cda is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/tools/doc_generation/+/12754696

Change-Id: I176d62053c10182e3e89f6eb2fa730623b794058
tree: f95263c33a855c69a499c737fe82a0ab9970ddd7
  1. Android.bp
  2. switcher4.py