TestingProfile override to add cration_time arg

`BraveTestingProfile` is used as a substitution, and it therefore it
must match the parent class constructor change.

Chromium change:
https://chromium.googlesource.com/chromium/src/+/bb1ae862cc7112b9615fc08ca43a885aecef00e7

commit bb1ae862cc7112b9615fc08ca43a885aecef00e7
Author: Hidehiko Abe <hidehiko@chromium.org>
Date:   Tue Aug 27 05:08:43 2024 +0000

    Add CreateMode parameter to TestingProfile's ctor

    Also TestingProfile::Builder starts to support CreateMode.

    Bug: 341267441
    Test: Tryjob

test/base/brave_testing_profile.cc

@@ -10,8 +10,9 @@
 #include "components/prefs/pref_service.h"
 
 BraveTestingProfile::BraveTestingProfile(const base::FilePath& path,
-                                         Delegate* delegate)
-    : TestingProfile(path, delegate) {}
+                                         Delegate* delegate,
+                                         CreateMode create_mode)
+    : TestingProfile(path, delegate, create_mode) {}
 
 BraveTestingProfile::BraveTestingProfile() : TestingProfile() {
 #if !BUILDFLAG(USE_GCM_FROM_PLATFORM)

test/base/brave_testing_profile.h

@@ -11,7 +11,9 @@
 class BraveTestingProfile : public TestingProfile {
  public:
   BraveTestingProfile();
-  BraveTestingProfile(const base::FilePath& path, Delegate* delegate);
+  BraveTestingProfile(const base::FilePath& path,
+                      Delegate* delegate,
+                      CreateMode create_mode);
   ~BraveTestingProfile() override = default;
 };