Merge "Add container property to aconfig_declarations." into main am: 9dc6b102 am: 4d6d371a

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2835990



Change-Id: I71933df90865549160d9aeca34d8e74f41f58fdc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>