Merge "Append pubkey of microdroid-vendor into avb prop of vendor_boot" into...

Merge "Append pubkey of microdroid-vendor into avb prop of vendor_boot" into main am: 5d034ba5 am: 9b83205f am: 6e4090f5

Original change: https://android-review.googlesource.com/c/platform/build/+/2856828



Change-Id: I7e3b8416668cd587b20124e8f9c604fd57785210
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>