Update namespace to match framework/ml/nn

Bug: 72448000
Test: make vts
Change-Id: I3543913561b33e4d1e9d960ec1f81624fb0a1e6b
diff --git a/neuralnetworks/1.0/vts/functional/Models.h b/neuralnetworks/1.0/vts/functional/Models.h
index a1fbe92..751ab32 100644
--- a/neuralnetworks/1.0/vts/functional/Models.h
+++ b/neuralnetworks/1.0/vts/functional/Models.h
@@ -30,7 +30,7 @@
 namespace vts {
 namespace functional {
 
-using MixedTypedExample = generated_tests::MixedTypedExampleType;
+using MixedTypedExample = test_helper::MixedTypedExampleType;
 
 #define FOR_EACH_TEST_MODEL(FN)                          \
     FN(add_broadcast_quant8)                             \