Copy vmlinux from the kernel debug build as `vmlinux-allsyms` am: 2c25ced225

Original change: https://android-review.googlesource.com/c/platform/tools/treble/+/2054766

Change-Id: I0952abe2cc2b4771905cdbf8a501d95011f6f50e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>