Merge "aconfig: move CodegenMode to codegen crate" into main am: 8351b78234

Original change: https://android-review.googlesource.com/c/platform/build/+/2883367

Change-Id: I0acf96005bc2202de62da31e639f138714a9316b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>