update CHANGELOG + format

Author: milaGGL

firebase-firestore/CHANGELOG.md

@@ -1,5 +1,5 @@
 # Unreleased
-* [feature] Implemented an optimization in the local cache synchronization logic that reduces the number of billed document reads when documents were deleted on the server while the client was not actively listening to the query (e.g. while the client was offline).
+- [feature] Implemented an optimization in the local cache synchronization logic that reduces the number of billed document reads when documents were deleted on the server while the client was not actively listening to the query (e.g. while the client was offline). (GitHub [#4702](//github.com/firebase/firebase-android-sdk/pull/4982){: .external})
 
 # 24.6.0
 * [fixed] Fixed stack overflow caused by deeply nested server timestamps.

firebase-firestore/src/androidTest/java/com/google/firebase/firestore/QueryTest.java

@@ -50,7 +50,6 @@
 import java.util.Map;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.atomic.AtomicReference;
-
 import org.junit.After;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -1092,11 +1091,11 @@ public void resumingAQueryShouldUseBloomFilterToAvoidFullRequery() throws Except
       // bloom filter, and it was used to avert a full requery.
       AtomicReference<QuerySnapshot> snapshot2Ref = new AtomicReference<>();
       ArrayList<ExistenceFilterMismatchInfo> existenceFilterMismatches =
-              captureExistenceFilterMismatches(
-                      () -> {
-                        QuerySnapshot querySnapshot = waitFor(collection.get());
-                        snapshot2Ref.set(querySnapshot);
-                      });
+          captureExistenceFilterMismatches(
+              () -> {
+                QuerySnapshot querySnapshot = waitFor(collection.get());
+                snapshot2Ref.set(querySnapshot);
+              });
       QuerySnapshot snapshot2 = snapshot2Ref.get();
 
       // Verify that the snapshot from the resumed query contains the expected documents; that is,
@@ -1132,8 +1131,8 @@ public void resumingAQueryShouldUseBloomFilterToAvoidFullRequery() throws Except
       // Verify that Watch sent an existence filter with the correct counts when the query was
       // resumed.
       assertWithMessage("Watch should have sent exactly 1 existence filter")
-              .that(existenceFilterMismatches)
-              .hasSize(1);
+          .that(existenceFilterMismatches)
+          .hasSize(1);
       ExistenceFilterMismatchInfo existenceFilterMismatchInfo = existenceFilterMismatches.get(0);
       assertWithMessage("localCacheCount")
           .that(existenceFilterMismatchInfo.localCacheCount())

firebase-firestore/src/androidTest/java/com/google/firebase/firestore/remote/TestingHooksUtil.java

@@ -16,7 +16,6 @@
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-
 import com.google.firebase.firestore.ListenerRegistration;
 import java.util.ArrayList;