Merge "Write the vbmeta digest to the output zipfile also" into sc-dev am: 82ff8ca9 am: 75302ad1 am: 5677170f

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/15288142

Change-Id: I1f50118d3528a500f8c846dbec345f566216d9f2