Remove superfluous BuildEventId Java class. The protobuf is just as good, and it reduces complexity to not have these wrapper classes floating around.

Probably will have no noticeable effect on performance/memory, but can't hurt.

PiperOrigin-RevId: 304197948
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/TargetConfiguredEvent.java b/src/main/java/com/google/devtools/build/lib/analysis/TargetConfiguredEvent.java
index d749cba..8fab9fd 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/TargetConfiguredEvent.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/TargetConfiguredEvent.java
@@ -17,8 +17,9 @@
 import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
 import com.google.devtools.build.lib.buildeventstream.BuildEvent;
 import com.google.devtools.build.lib.buildeventstream.BuildEventContext;
-import com.google.devtools.build.lib.buildeventstream.BuildEventId;
+import com.google.devtools.build.lib.buildeventstream.BuildEventIdUtil;
 import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos;
+import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos.BuildEventId;
 import com.google.devtools.build.lib.buildeventstream.BuildEventWithConfiguration;
 import com.google.devtools.build.lib.buildeventstream.GenericBuildEvent;
 import com.google.devtools.build.lib.buildeventstream.NullConfiguration;
@@ -55,7 +56,7 @@
 
   @Override
   public BuildEventId getEventId() {
-    return BuildEventId.targetConfigured(target.getLabel());
+    return BuildEventIdUtil.targetConfigured(target.getLabel());
   }
 
   @Override
@@ -63,10 +64,12 @@
     ImmutableList.Builder<BuildEventId> childrenBuilder = ImmutableList.builder();
     for (BuildConfiguration config : configurations) {
       if (config != null) {
-        childrenBuilder.add(BuildEventId.targetCompleted(target.getLabel(), config.getEventId()));
+        childrenBuilder.add(
+            BuildEventIdUtil.targetCompleted(target.getLabel(), config.getEventId()));
       } else {
         childrenBuilder.add(
-            BuildEventId.targetCompleted(target.getLabel(), BuildEventId.nullConfigurationId()));
+            BuildEventIdUtil.targetCompleted(
+                target.getLabel(), BuildEventIdUtil.nullConfigurationId()));
       }
     }
     return childrenBuilder.build();