Merge "Pipe system feature build flags into codegen" into main am: fe039e1f

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



Change-Id: I6b1a5e9395c9b410afdcc37b72f8fa58d93a5e57
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>