Format Java files with google-java-format 1.7

Change-Id: Ia51a96000049b329e93277fe4b64745289a2f69a
diff --git a/src/main/java/com/googlesource/gerrit/plugins/webhooks/HttpSession.java b/src/main/java/com/googlesource/gerrit/plugins/webhooks/HttpSession.java
index fed95e7..da5bed1 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/webhooks/HttpSession.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/webhooks/HttpSession.java
@@ -50,10 +50,7 @@
     HttpPost post = new HttpPost(remote.getUrl());
     post.addHeader("Content-Type", MediaType.JSON_UTF_8.toString());
     post.setConfig(getConfig(remote));
-    request
-        .headers
-        .entrySet()
-        .stream()
+    request.headers.entrySet().stream()
         .forEach(
             e -> {
               post.addHeader(e.getKey(), e.getValue());