Fix build warnings in fake profile manager.

SignalServiceKit/src/TestUtils/OWSFakeProfileManager.m

@@ -1,5 +1,5 @@
 //
-//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2019 Open Whisper Systems. All rights reserved.
 //
 
 #import "OWSFakeProfileManager.h"
@@ -80,6 +80,16 @@ NS_ASSUME_NONNULL_BEGIN
     [self.threadWhitelist addObject:groupId.hexadecimalString];
 }
 
+- (void)fetchLocalUsersProfile
+{
+    // Do nothing.
+}
+
+- (void)fetchProfileForRecipientId:(nonnull NSString *)recipientId
+{
+    // Do nothing.
+}
+
 @end
 
 #endif