Use a space instead of a `/` in profile task title for GenQuery.

Targets start with `//` so using `/` was quite confusing.

PiperOrigin-RevId: 354913333
diff --git a/src/main/java/com/google/devtools/build/lib/rules/genquery/GenQuery.java b/src/main/java/com/google/devtools/build/lib/rules/genquery/GenQuery.java
index c6a27c8..e94c860 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/genquery/GenQuery.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/genquery/GenQuery.java
@@ -182,7 +182,7 @@
 
     GenQueryResult result;
     try (SilentCloseable c =
-        Profiler.instance().profile("GenQuery.executeQuery/" + ruleContext.getLabel())) {
+        Profiler.instance().profile("GenQuery.executeQuery " + ruleContext.getLabel())) {
       result =
           executeQuery(
               ruleContext,