Merge "Introduce boot_image_type property in bootimg module" into main am: 517c6f81

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/3366457



Change-Id: I242e37ef8c17a857637d40b312ee3b12e6b152e1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>