Merge "Destroy DSU metadata encryption key when wiping an installation" am: 5dc456a684 am: 14a42ed03a am: b57eb6c4e5 am: 894e55e55f

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

Change-Id: Ifbc45d7bac4fd3ebcff22dc1290036d86b3ead09