Rename ExampleDeviceAttestationVerifier (#12182)

* Rename ExampleDeviceAttestationVerifier

- Rename ExampleDeviceAttestationVerifier to DefaultDeviceAttestationVerifier
  since it is now used commonly and becoming fully spec-compliant.

Fixes #11919

* Restyled by clang-format

* Restyled by gn

Co-authored-by: Restyled.io <commits@restyled.io>
diff --git a/src/controller/python/ChipDeviceController-ScriptBinding.cpp b/src/controller/python/ChipDeviceController-ScriptBinding.cpp
index c38373d..9c1b093 100644
--- a/src/controller/python/ChipDeviceController-ScriptBinding.cpp
+++ b/src/controller/python/ChipDeviceController-ScriptBinding.cpp
@@ -54,7 +54,7 @@
 #include <controller/CHIPDeviceControllerFactory.h>
 #include <controller/ExampleOperationalCredentialsIssuer.h>
 #include <credentials/DeviceAttestationVerifier.h>
-#include <credentials/examples/DeviceAttestationVerifierExample.h>
+#include <credentials/examples/DefaultDeviceAttestationVerifier.h>
 #include <inet/IPAddress.h>
 #include <lib/dnssd/Resolver.h>
 #include <lib/support/BytesToHex.h>
@@ -182,7 +182,7 @@
     }
 
     // Initialize device attestation verifier
-    SetDeviceAttestationVerifier(Examples::GetExampleDACVerifier());
+    SetDeviceAttestationVerifier(GetDefaultDACVerifier());
 
     CHIP_ERROR err = sOperationalCredentialsIssuer.Initialize(sStorageDelegate);
     VerifyOrReturnError(err == CHIP_NO_ERROR, err.AsInteger());