Merge "aconfigd: migrate to full rust aconfigd" into main am: 910e04d7c0

Original change: https://android-review.googlesource.com/c/platform/system/server_configurable_flags/+/3370012

Change-Id: I32d8beb9e5f9afa9c96e7f8121afa9091bf18914
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>