Merge "Remove outputing boot-4.19*.img from target gki_arm64" am: bba215cca4 am: 28c466a632 am: e19d921547

Original change: https://android-review.googlesource.com/c/device/generic/common/+/2105046

Change-Id: Iab4e183a6a3d57ff27ec1b174ee658374a3664e9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>