Merge "Implement vendor-available vold interface" into main am: 4a437e4675

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/3387522

Change-Id: I7c1836510590801f12ea1e8d189bb1b4a19f5b76
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>