Merge "Make partition metadata write atomic" into main am: 9c949326 am:...

Merge "Make partition metadata write atomic" into main am: 9c949326 am: d8fd576b am: b7dbcaa4 am: 324c9b87

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2786941



Change-Id: I4aae4b6e740f163193a9fed1f2f8b3de702b8d45
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>