Adapt to Gerrit core that changed the type of timestamp fields to Instant

Make the uploadvalidator plugin build again.

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I181fb24cd934e5b47da68c1d103b5ae58bef0678

src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/FakeUserProvider.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/FakeUserProvider.java b/src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/FakeUserProvider.java
index 6530805..bb41024 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/FakeUserProvider.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/FakeUserProvider.java
@@ -43,7 +43,7 @@
   private IdentifiedUser createNew(String email) {
     IdentifiedUser user = mock(IdentifiedUser.class);
     Account account =
-        Account.builder(Account.id(1), TimeUtil.nowTs()).setPreferredEmail(email).build();
+        Account.builder(Account.id(1), TimeUtil.now()).setPreferredEmail(email).build();
     when(user.isIdentifiedUser()).thenReturn(true);
     when(user.asIdentifiedUser()).thenReturn(user);
     when(user.getAccount()).thenReturn(account);