Run test: Remove on-device signal_dumper detection am: 6311173e62

Original change: https://android-review.googlesource.com/c/platform/art/+/2307786

Change-Id: If872ff5a531e2baeeea038040defa9305ef0d925
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>