Merge "aconfig: generate full fakefeatureflagsimpl in prod mode" into main am:...

Merge "aconfig: generate full fakefeatureflagsimpl in prod mode" into main am: 401be560 am: f1b49462

Original change: https://android-review.googlesource.com/c/platform/build/+/2709686



Change-Id: Ic7c7a7c815bad8b3acd8cd6f64a3c89860c91c31
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>