revert a bunch of other unnecssary changes

Author: dconeybe

firebase-firestore/src/main/java/com/google/firebase/firestore/AggregateSource.java

@@ -19,8 +19,6 @@
 import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import com.google.firebase.database.collection.ImmutableSortedSet;
-import com.google.firebase.firestore.Query;
-import com.google.firebase.firestore.core.CountQuery;
 import com.google.firebase.firestore.core.OnlineState;
 import com.google.firebase.firestore.core.Transaction;
 import com.google.firebase.firestore.local.LocalStore;

firebase-firestore/src/main/java/com/google/firebase/firestore/remote/RemoteStore.java

@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2018 Google LLC.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -11,11 +11,13 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+//
 
 syntax = "proto3";
 
 package google.firestore.v1;
 
+import "google/api/annotations.proto";
 import "google/protobuf/timestamp.proto";
 
 option csharp_namespace = "Google.Cloud.Firestore.V1";
@@ -25,7 +27,7 @@ option java_outer_classname = "CommonProto";
 option java_package = "com.google.firestore.v1";
 option objc_class_prefix = "GCFS";
 option php_namespace = "Google\\Cloud\\Firestore\\V1";
-option ruby_package = "Google::Cloud::Firestore::V1";
+
 
 // A set of field paths on a document.
 // Used to restrict a get or update operation on a document to a subset of its
@@ -47,7 +49,7 @@ message Precondition {
     bool exists = 1;
 
     // When set, the target document must exist and have been last updated at
-    // that time. Timestamp must be microsecond aligned.
+    // that time.
     google.protobuf.Timestamp update_time = 2;
   }
 }

firebase-firestore/src/proto/google/firestore/v1/common.proto

@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2018 Google LLC.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -11,11 +11,13 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+//
 
 syntax = "proto3";
 
 package google.firestore.v1;
 
+import "google/api/annotations.proto";
 import "google/protobuf/struct.proto";
 import "google/protobuf/timestamp.proto";
 import "google/type/latlng.proto";
@@ -27,7 +29,7 @@ option java_outer_classname = "DocumentProto";
 option java_package = "com.google.firestore.v1";
 option objc_class_prefix = "GCFS";
 option php_namespace = "Google\\Cloud\\Firestore\\V1";
-option ruby_package = "Google::Cloud::Firestore::V1";
+
 
 // A Firestore document.
 //