Merge "fastbootd: Delete all VAB partitions during "flashall"." into sc-qpr1-dev am: d92cd94d81

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/15523335

Change-Id: I33e1ea6d6235e5028f278bbe0ea21e14dc3c3416