[automerger skipped] KernelTargetTest: Make skip exit code configurable am: a2510eb644 -s ours am: 7c7d3c4da6 -s ours am: 0904d2021b -s ours

am skip reason: Merged-In I7e569b89093c071b4af9ac1df4df0a699f846c9b with SHA-1 c75b27ea6f is already in history

Original change: https://android-review.googlesource.com/c/platform/test/vts/+/2853767

Change-Id: I256bcf75ff58946c4e3407a753a13313bd4227d5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>