kleaf_test: add compdb overwrite integration test am: c9b68baf73

Original change: https://android-review.googlesource.com/c/kernel/common-modules/virtual-device/+/4207267

Change-Id: I3d2ea48fd6521498180487288d822d11fefdb0d2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>