EWAppxPercentileOutlierClassifier: update percentile and decay reservoir outside of warmup period

[ynimous]

I might be missing something, but as the title suggests, the (completely untested) change below updates the threshold after the warm-up period.

diff --git a/legacy/src/main/java/macrobase/analysis/classify/EWAppxPercentileOutlierClassifier.java b/legacy/src/main/java/macrobase/analysis/classify/EWAppxPercentileOutlierClassifier.java
index 05df505..7e49005 100644
--- a/legacy/src/main/java/macrobase/analysis/classify/EWAppxPercentileOutlierClassifier.java
+++ b/legacy/src/main/java/macrobase/analysis/classify/EWAppxPercentileOutlierClassifier.java
@@ -92,8 +92,6 @@ public class EWAppxPercentileOutlierClassifier extends OutlierClassifier {
                 warmupInput.add(d);
                 DatumWithNorm dwn = new DatumWithNorm(d, d.metrics().getNorm());
                 reservoir.insert(dwn);
-                reservoirDecayer.runIfNecessary();
-                percentileUpdater.runIfNecessary();
             } else {
                 if(tupleCount == warmupCount) {
                     updateThreshold(percentile);
@@ -104,6 +102,8 @@ public class EWAppxPercentileOutlierClassifier extends OutlierClassifier {
                     warmupInput.clear();
                 }
 
+                reservoirDecayer.runIfNecessary();
+                percentileUpdater.runIfNecessary();
                 double norm = d.metrics().getNorm();
                 reservoir.insert(new DatumWithNorm(d, norm));
                 batchResult.add(new OutlierClassificationResult(d, norm > currentThreshold));