Gauge metric e2e test

Test: new test passed
Change-Id: I6a8bceb43fbb6e7b82f47951e71b5620779f2ceb
diff --git a/cmds/statsd/Android.mk b/cmds/statsd/Android.mk
index ffe652f..2ebbba6 100644
--- a/cmds/statsd/Android.mk
+++ b/cmds/statsd/Android.mk
@@ -186,7 +186,8 @@
     tests/statsd_test_util.cpp \
     tests/e2e/WakelockDuration_e2e_test.cpp \
     tests/e2e/MetricConditionLink_e2e_test.cpp \
-    tests/e2e/Attribution_e2e_test.cpp
+    tests/e2e/Attribution_e2e_test.cpp \
+    tests/e2e/GaugeMetric_e2e_test.cpp
 
 LOCAL_STATIC_LIBRARIES := \
     $(statsd_common_static_libraries) \