1/ Only expose thread-safe interfaces in metric producer.
2/ Simplify lock logic.
3/ Add test for duration metric producer.
Test: all unit test passsed.
Change-Id: If6ee2e69a17f12406f4b3ea3553b14642cd636d6
diff --git a/cmds/statsd/Android.mk b/cmds/statsd/Android.mk
index 1f15c5e..87cde03 100644
--- a/cmds/statsd/Android.mk
+++ b/cmds/statsd/Android.mk
@@ -167,6 +167,7 @@
tests/metrics/OringDurationTracker_test.cpp \
tests/metrics/MaxDurationTracker_test.cpp \
tests/metrics/CountMetricProducer_test.cpp \
+ tests/metrics/DurationMetricProducer_test.cpp \
tests/metrics/EventMetricProducer_test.cpp \
tests/metrics/ValueMetricProducer_test.cpp \
tests/guardrail/StatsdStats_test.cpp