whitelist health@2.1 having no implementation

TH race condition..

Fixes: 143307453
Test: atest --test-mapping .
Change-Id: I4dc32bba59826df8b3afb44c92418c528b221c49
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 91d513e..2d5fb85 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -22,6 +22,9 @@
     },
     {
       "name": "vts_treble_vintf_vendor_test"
+    },
+    {
+      "name": "hidl_implementation_test"
     }
   ]
 }