Merge "Add doc stubs target that uses module stub source" into...

Merge "Add doc stubs target that uses module stub source" into stage-aosp-master am: e18d9714 am: 8d785df9 am: 10cc9b5f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15854548

Change-Id: I6b204823fa5114d729c2f5d5522308e15a59172d