Merge "Add IVold::destroyDsuMetadataKey()" am: cb581cc8de am: 3ae0c6737c am: 9502610f8e

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/1452395

Change-Id: I79d72f95e00888afa69f55b48e76f28d47972457