Upgrade google-java-format to 1.7

This new version has the nice feature of putting multiple chained method
calls before a .stream() on a single line. The diff is a bit large but
it's removing a lot of newlines which is nice.

Change-Id: I260b620aa6a1bc77b06be9672a1f281ab0d0d0f8

gerrit-server/src/main/java/com/google/gerrit/server/ModuleOverloader.java

@@ -27,8 +27,7 @@ public class ModuleOverloader {
 
     // group candidates by annotation existence
     Map<Boolean, List<Module>> grouped =
-        overrideCandidates
-            .stream()
+        overrideCandidates.stream()
             .collect(
                 Collectors.groupingBy(m -> m.getClass().getAnnotation(ModuleImpl.class) != null));
 
@@ -44,16 +43,14 @@ public class ModuleOverloader {
     }
 
     // swipe cache implementation with alternative provided in lib
-    return modules
-        .stream()
+    return modules.stream()
         .map(
             m -> {
               ModuleImpl a = m.getClass().getAnnotation(ModuleImpl.class);
               if (a == null) {
                 return m;
               }
-              return overrides
-                  .stream()
+              return overrides.stream()
                   .filter(
                       o ->
                           o.getClass()