Make AccountResolver variable private

Also fix constructor parameter name to be consistent with others.

Change-Id: I195588fe8ef79aa0980a03c922ef7faa90b42c95
diff --git a/src/main/java/com/googlesource/gerrit/plugins/adminconsole/ShowAccountCommand.java b/src/main/java/com/googlesource/gerrit/plugins/adminconsole/ShowAccountCommand.java
index 5c29c2f..7342b70 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/adminconsole/ShowAccountCommand.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/adminconsole/ShowAccountCommand.java
@@ -62,19 +62,19 @@
   @Option(name = "--show-keys", usage = "show user's public keys?")
   private boolean showKeys = false;
 
-  final AccountResolver accountResolver;
+  private final AccountResolver accountResolver;
   private final SchemaFactory<ReviewDb> schema;
   private final Provider<GetGroups> accountGetGroups;
   private final IdentifiedUser.GenericFactory userFactory;
   private final Provider<GetSshKeys> getSshKeys;
 
   @Inject
-  ShowAccountCommand(AccountResolver ar,
+  ShowAccountCommand(AccountResolver accountResolver,
       Provider<GetGroups> accountGetGroups,
       IdentifiedUser.GenericFactory userFactory,
       Provider<GetSshKeys> getSshKeys,
       SchemaFactory<ReviewDb> schema) {
-    accountResolver = ar;
+    this.accountResolver = accountResolver;
     this.accountGetGroups = accountGetGroups;
     this.userFactory = userFactory;
     this.schema = schema;