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

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



Change-Id: I6e441c4c6697994a80a397a0922d7904a14e49aa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>