ART: Fix run-test 099-vmdebug for device

We can't expect logcat errors on device. So just swallow them whole.

Bug: 18713034
Change-Id: I58d8595e86f112442a5a1c4c6ef0d614871d890f
diff --git a/test/099-vmdebug/check b/test/099-vmdebug/check
index 7b47ac1..57111bc 100755
--- a/test/099-vmdebug/check
+++ b/test/099-vmdebug/check
@@ -15,6 +15,6 @@
 # limitations under the License.
 
 # Strip the process pids and line numbers from exact error messages.
-sed -e 's/^art E.*\] //' "$2" > "$2.tmp"
+sed -e '/^art E.*\] /d' "$2" > "$2.tmp"
 
 diff --strip-trailing-cr -q "$1" "$2.tmp" >/dev/null