Add CtsScopedStorageDeviceOnlyTest to vold presubmit

BUG: 159593019
Test: presubmit

Change-Id: Icd75637f4a168311fdaeca2b1f4f32b34ad20dbb
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 15a4af4..49b2d60 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -7,6 +7,9 @@
       "name": "CtsScopedStorageHostTest"
     },
     {
+      "name": "CtsScopedStorageDeviceOnlyTest"
+    },
+    {
       "name": "AdoptableHostTest"
     }
   ]