FileInfo: Fix ObjectEqualsForPrimitives pattern flagged by error prone

Running the recent error prone version is flagging error pattern:
ObjectEqualsForPrimitives:

FileInfo.java:37: error: [ObjectEqualsForPrimitives] Avoid unnecessary boxing by using plain == for primitive types.
          && Objects.equals(sizeDelta, fileInfo.sizeDelta)
                           ^
  (see https://errorprone.info/bugpattern/ObjectEqualsForPrimitives)
  Did you mean '&& (sizeDelta == fileInfo.sizeDelta)'?

Change-Id: I42d303242ed7a39a171d5182f61ba7276fb59f7f
diff --git a/java/com/google/gerrit/extensions/common/FileInfo.java b/java/com/google/gerrit/extensions/common/FileInfo.java
index 32c5bd5..510c2ad 100644
--- a/java/com/google/gerrit/extensions/common/FileInfo.java
+++ b/java/com/google/gerrit/extensions/common/FileInfo.java
@@ -34,8 +34,8 @@
           && Objects.equals(oldPath, fileInfo.oldPath)
           && Objects.equals(linesInserted, fileInfo.linesInserted)
           && Objects.equals(linesDeleted, fileInfo.linesDeleted)
-          && Objects.equals(sizeDelta, fileInfo.sizeDelta)
-          && Objects.equals(size, fileInfo.size);
+          && sizeDelta == fileInfo.sizeDelta
+          && size == fileInfo.size;
     }
     return false;
   }