Reset the condition to the initial state.

For conditions without a condition, the initial state is true, not
unknown.

Test: atest statsd_test
Change-Id: Iba27a8ea82af9b9e5e1f8ee17f091f344674d14a

cmds/statsd/src/metrics/MetricProducer.h

@@ -69,7 +69,7 @@ public:
           mTimeBaseNs(timeBaseNs),
           mCurrentBucketStartTimeNs(timeBaseNs),
           mCurrentBucketNum(0),
-          mCondition(conditionIndex >= 0 ? ConditionState::kUnknown : ConditionState::kTrue),
+          mCondition(initialCondition(conditionIndex)),
           mConditionSliced(false),
           mWizard(wizard),
           mConditionTrackerIndex(conditionIndex),
@@ -82,6 +82,10 @@ public:
 
     virtual ~MetricProducer(){};
 
+    ConditionState initialCondition(const int conditionIndex) const {
+        return conditionIndex >= 0 ? ConditionState::kUnknown : ConditionState::kTrue;
+    }
+
     /**
      * Forces this metric to split into a partial bucket right now. If we're past a full bucket, we
      * first call the standard flushing code to flush up to the latest full bucket. Then we call

cmds/statsd/src/metrics/ValueMetricProducer.cpp

@@ -394,7 +394,7 @@ void ValueMetricProducer::onConditionChangedLocked(const bool condition,
         invalidateCurrentBucket();
         // Something weird happened. If we received another event if the future, the condition might
         // be wrong.
-        mCondition = ConditionState::kUnknown;
+        mCondition = initialCondition(mConditionTrackerIndex);
     }
 
     // This part should alway be called.