Implements RANDOM_MULTINOMIAL CTS/VTS tests.

Bug: 113562775
Test: VtsHalNeuralnetworksV1_2TargetTest --hal_service_instance=android.hardware.neuralnetworks@1.2::IDevice/sample-all
Change-Id: I3d39d056bf5034e01ce9c5c5e3f416a63d7ec8eb
Merged-In: I3d39d056bf5034e01ce9c5c5e3f416a63d7ec8eb
(cherry picked from commit 941d61a62d52b3b5c526c88ace1fc0e538364c71)
diff --git a/neuralnetworks/1.0/vts/functional/ValidationTests.cpp b/neuralnetworks/1.0/vts/functional/ValidationTests.cpp
index 98fc1c5..d3cbcff 100644
--- a/neuralnetworks/1.0/vts/functional/ValidationTests.cpp
+++ b/neuralnetworks/1.0/vts/functional/ValidationTests.cpp
@@ -27,7 +27,7 @@
 namespace functional {
 
 // forward declarations
-std::vector<Request> createRequests(const std::vector<MixedTypedExample>& examples);
+std::vector<Request> createRequests(const std::vector<::test_helper::MixedTypedExample>& examples);
 
 // generate validation tests
 #define VTS_CURRENT_TEST_CASE(TestName)                                           \