Merge "Add content about support system_dlkm partition" am: 7572416973 am: ca3b603612 am: 0e612c22dc

Original change: https://android-review.googlesource.com/c/device/generic/common/+/2286974

Change-Id: I318eaa04402746b119d5a90903937236010b6d0b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>