[automerger skipped] snapuserd_test: skip test if dm-user kernel driver is...

[automerger skipped] snapuserd_test: skip test if dm-user kernel driver is absent am: deb1de9d -s ours

am skip reason: Merged-In I8458f223fc35fcfa042588e67a30c5bb273b0277 with SHA-1 a880e567 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/28883409



Change-Id: I7365d13ea4d2a2cce2c75eae6dda5a2e442b24b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>