Merge "Make AccountResolver:resolveExact resolve accounts for usernames as well"

java/com/google/gerrit/server/account/AccountResolver.java

diff --git a/java/com/google/gerrit/server/account/AccountResolver.java b/java/com/google/gerrit/server/account/AccountResolver.java
index 7aa25b6..d84d790 100644
--- a/java/com/google/gerrit/server/account/AccountResolver.java
+++ b/java/com/google/gerrit/server/account/AccountResolver.java
@@ -591,6 +591,7 @@
           .add(new BySelf())
           .add(new ByExactAccountId())
           .add(new ByEmail())
+          .add(new ByUsername())
           .build();
 
   private final AccountCache accountCache;