Merge "aconfig: update rust_codegen to just read from new storage when flag is...

Merge "aconfig: update rust_codegen to just read from new storage when flag is true" into main am: 869fdd13

Original change: https://android-review.googlesource.com/c/platform/build/+/3267213



Change-Id: I9c9d3aac91323ffcb7a91de9d9fce87c31be5b9f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>