Switch ledflasher-userdebug to ledflasher-eng

eng image will include native unittests

Change-Id: If547f257e00159e84e8b031de706ef797f506728
diff --git a/vendorsetup.sh b/vendorsetup.sh
index 903e4b0..2a619ac 100644
--- a/vendorsetup.sh
+++ b/vendorsetup.sh
@@ -14,4 +14,4 @@
 # limitations under the License.
 #
 
-add_lunch_combo ledflasher-userdebug
+add_lunch_combo ledflasher-eng