am c98a56de: Merge "docs: SDK/ADT r20.0.1, NDK r8b, Platform 4.1.1 Release Notes" into jb-dev

* commit 'c98a56de61263b25920dbdc7fa9396c91ecbce7d':
  docs: SDK/ADT r20.0.1, NDK r8b, Platform 4.1.1 Release Notes