Merge "aconfig: create one file at each create-storage command invocation" into main am: 1ef905869f

Original change: https://android-review.googlesource.com/c/platform/build/+/2918566

Change-Id: I77caeba57c683c80d40c35d739c55c26eff3b34f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>