Merge "aconfig: add a storage file read api to get file version number" into...

Merge "aconfig: add a storage file read api to get file version number" into main am: cdde8f39 am: 2c5c3808

Original change: https://android-review.googlesource.com/c/platform/build/+/2989249



Change-Id: I6add5c3cd8123ca1d01e683d4c9f56de9367a5e2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>