Merge "Pipe system feature build flags into codegen" into main am: fe039e1f76 am: 4cb159b94e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3319580

Change-Id: I556996a9bb9cd07227cda440cccfad335ea9ccb7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>