Improve class naming of group inclusion cache loaders

In [1] the inner classes were named with lowerCaseNames.
thisIsNotStandard. StandardForClassNamesBeginsWithCaps.

[1] https://gerrit-review.googlesource.com/60356

Change-Id: Ia223cb6f010555841fd00be06c56b880968312fe
(cherry picked from commit b6b88ebe9c5d85624f0fbb9dfb2c84b9373f9a4d)
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/account/GroupIncludeCacheImpl.java b/gerrit-server/src/main/java/com/google/gerrit/server/account/GroupIncludeCacheImpl.java
index c982aa5..9e7918d 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/account/GroupIncludeCacheImpl.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/account/GroupIncludeCacheImpl.java
@@ -53,12 +53,12 @@
         cache(PARENT_GROUPS_NAME,
             AccountGroup.UUID.class,
             new TypeLiteral<Set<AccountGroup.UUID>>() {})
-          .loader(parentGroupsLoader.class);
+          .loader(ParentGroupsLoader.class);
 
         cache(SUBGROUPS_NAME,
             AccountGroup.UUID.class,
             new TypeLiteral<Set<AccountGroup.UUID>>() {})
-          .loader(subgroupsLoader.class);
+          .loader(SubgroupsLoader.class);
 
         cache(EXTERNAL_NAME,
             String.class,
@@ -133,12 +133,12 @@
     }
   }
 
-  static class subgroupsLoader extends
+  static class SubgroupsLoader extends
       CacheLoader<AccountGroup.UUID, Set<AccountGroup.UUID>> {
     private final SchemaFactory<ReviewDb> schema;
 
     @Inject
-    subgroupsLoader(final SchemaFactory<ReviewDb> sf) {
+    SubgroupsLoader(final SchemaFactory<ReviewDb> sf) {
       schema = sf;
     }
 
@@ -163,12 +163,12 @@
     }
   }
 
-  static class parentGroupsLoader extends
+  static class ParentGroupsLoader extends
       CacheLoader<AccountGroup.UUID, Set<AccountGroup.UUID>> {
     private final SchemaFactory<ReviewDb> schema;
 
     @Inject
-    parentGroupsLoader(final SchemaFactory<ReviewDb> sf) {
+    ParentGroupsLoader(final SchemaFactory<ReviewDb> sf) {
       schema = sf;
     }