* As per the content of the root Android.bp file:

   // Soong finds all Android.bp and Blueprints files in the source tree,
   // subdirs= and optional_subdirs= are obsolete and this file no longer
   // needs a list of the top level directories that may contain Android.bp
   // files.

Change-Id: I9185e66f8ac1bad1518e8cf0342f3972d1905b56