Merge "Use bootloader_override from boot namespace" am: 4ac2551a27 am: 105c0a7d5c am: 1db8b44711

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2414314

Change-Id: Ifb913b1d9ec069f5efa95fcc37de925b541b8cac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>