Merge "Specify dtb_prebuilt property in the autogen vendor_boot.img" into main...

Merge "Specify dtb_prebuilt property in the autogen vendor_boot.img" into main am: 3269a7fe am: db6f18c9

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/3367544



Change-Id: I530871c10a8b47d2a7c500968470017e755a1405
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>