Merge "[Ravenwood] Move hoststubgen into f/b/ravenwood" into main am: cf2e1f6754

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3308805

Change-Id: I3b16316239a3c730e7dcd126dcb8af0b4520cfeb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>