Revert "Modify NNAPI VTS tests to run on version 1.3"

This reverts commit 543606fb92143dea42c83cb1d08c559957772178.

Reason for revert: the topic breaks git_qt-dev-plus-aosp

Change-Id: I74859bae687d65d344ed7edc617e1a7d086960a1
diff --git a/neuralnetworks/1.3/vts/functional/ValidateRequest.cpp b/neuralnetworks/1.3/vts/functional/ValidateRequest.cpp
index 6122123..f25ee62 100644
--- a/neuralnetworks/1.3/vts/functional/ValidateRequest.cpp
+++ b/neuralnetworks/1.3/vts/functional/ValidateRequest.cpp
@@ -24,15 +24,11 @@
 #include "Utils.h"
 #include "VtsHalNeuralnetworks.h"
 
-namespace android::hardware::neuralnetworks::V1_3::vts::functional {
+namespace android::hardware::neuralnetworks::V1_2::vts::functional {
 
+using implementation::ExecutionCallback;
 using V1_0::ErrorStatus;
 using V1_0::Request;
-using V1_2::IPreparedModel;
-using V1_2::MeasureTiming;
-using V1_2::OutputShape;
-using V1_2::Timing;
-using V1_2::implementation::ExecutionCallback;
 
 ///////////////////////// UTILITY FUNCTIONS /////////////////////////
 
@@ -169,4 +165,4 @@
     ASSERT_TRUE(executeStatus.isOk());
 }
 
-}  // namespace android::hardware::neuralnetworks::V1_3::vts::functional
+}  // namespace android::hardware::neuralnetworks::V1_2::vts::functional