Merge "Destroy DSU metadata encryption key when wiping an installation" am: 5dc456a684 am: 14a42ed03a am: b57eb6c4e5

Original change: https://android-review.googlesource.com/c/platform/system/gsid/+/1452417

Change-Id: I55247ad1f06ff53423e767f603b96fe57c102e9d