Add ComposBenchmarkApp to postsubmits

...to start collecting metrics.

Test: n/a
Change-Id: I80478147c301752e57c4df326a54bc6b37f2b889
diff --git a/TEST_MAPPING b/TEST_MAPPING
index cf90c76..33498d3 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -25,6 +25,9 @@
     },
     {
       "name": "MicrodroidBenchmarkApp"
+    },
+    {
+      "name": "ComposBenchmarkApp"
     }
   ],
   "imports": [