Merge "Revert "Change the default docs build to use module stubs"" am: 56e85bb8c0 am: d23ac2655d am: 221a2267c3 am: f3d020454f am: d551b3eb55

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1869970

Change-Id: I00c1f73e560972785b1b549637e9af713aac22e8