Revert "Remove the codegen property" am: 429b584f59 am: 2d0378b4d7 am: b77f42fbbd

Original change: https://android-review.googlesource.com/c/platform/art/+/2582358

Change-Id: I73fe5d89da3eaab1433ec8e5b516fb349e2cbc25
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>