Make AtomicClientReportStorage constructor lazy

sentry/src/main/java/io/sentry/clientreport/AtomicClientReportStorage.java

@@ -1,10 +1,12 @@
 package io.sentry.clientreport;
 
 import io.sentry.DataCategory;
+import io.sentry.util.LazyEvaluator;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicLong;
 import org.jetbrains.annotations.ApiStatus;
@@ -14,25 +16,25 @@
 @ApiStatus.Internal
 final class AtomicClientReportStorage implements IClientReportStorage {
 
-  private final @NotNull Map<ClientReportKey, AtomicLong> lostEventCounts;
-
-  public AtomicClientReportStorage() {
+  private final @NotNull LazyEvaluator<Map<ClientReportKey, AtomicLong>> lostEventCounts = new LazyEvaluator<>(() -> {
     final Map<ClientReportKey, AtomicLong> modifyableEventCountsForInit = new ConcurrentHashMap<>();
 
     for (final DiscardReason discardReason : DiscardReason.values()) {
       for (final DataCategory category : DataCategory.values()) {
         modifyableEventCountsForInit.put(
-            new ClientReportKey(discardReason.getReason(), category.getCategory()),
-            new AtomicLong(0));
+          new ClientReportKey(discardReason.getReason(), category.getCategory()),
+          new AtomicLong(0));
       }
     }
 
-    lostEventCounts = Collections.unmodifiableMap(modifyableEventCountsForInit);
-  }
+    return Collections.unmodifiableMap(modifyableEventCountsForInit);
+  });
+
+  public AtomicClientReportStorage() {}
 
   @Override
   public void addCount(ClientReportKey key, Long count) {
-    final @Nullable AtomicLong quantity = lostEventCounts.get(key);
+    final @Nullable AtomicLong quantity = lostEventCounts.getValue().get(key);
 
     if (quantity != null) {
       quantity.addAndGet(count);
@@ -43,7 +45,8 @@ public void addCount(ClientReportKey key, Long count) {
   public List<DiscardedEvent> resetCountsAndGet() {
     final List<DiscardedEvent> discardedEvents = new ArrayList<>();
 
-    for (final Map.Entry<ClientReportKey, AtomicLong> entry : lostEventCounts.entrySet()) {
+    Set<Map.Entry<ClientReportKey, AtomicLong>> entrySet = lostEventCounts.getValue().entrySet();
+    for (final Map.Entry<ClientReportKey, AtomicLong> entry : entrySet) {
       final Long quantity = entry.getValue().getAndSet(0);
       if (quantity > 0) {
         discardedEvents.add(