Fix extraneous double-handled event errors.

tracing/tracing/importer/find_input_expectations.html

Index: tracing/tracing/importer/find_input_expectations.html
diff --git a/tracing/tracing/importer/find_input_expectations.html b/tracing/tracing/importer/find_input_expectations.html
index 2e781436c514382f40e50990439eb526d3056fdd..a01ad7aef554101271fe6ac3dc92c57f9f2bf04a 100644
--- a/tracing/tracing/importer/find_input_expectations.html
+++ b/tracing/tracing/importer/find_input_expectations.html
@@ -1150,7 +1150,8 @@ tr.exportTo('tr.importer', function() {
             (event.subSlices.length > 0))
           return;
 
-        if (handledEvents.indexOf(event) >= 0) {
+        if ((handledEvents.indexOf(event) >= 0) &&
+            (event.title !== tr.model.helpers.IMPL_RENDERING_STATS)) {
           console.error('double-handled event', event.typeName,
               parseInt(event.start), parseInt(event.end), protoExpectation);
           return;