IVGCVSW-5612 Fix tiny_wav2letter_relu_fixed_int8 delegate output

 * fix delegate perchannel quantization
 * change delegate to check reshape options before inputs
 * Add int8 "qsymms8" option to ExecuteNetwork
 * Add option to run ExecuteNetwork on tflite w/o delegate


!referencetests:301301

Signed-off-by: Finn Williams <Finn.Williams@arm.com>
Change-Id: If3e12599b17aff1199d7ab0a55e1c901e480083d
diff --git a/tests/InferenceTest.hpp b/tests/InferenceTest.hpp
index 5ec744c..0cc6c3b 100644
--- a/tests/InferenceTest.hpp
+++ b/tests/InferenceTest.hpp
@@ -110,7 +110,8 @@
 class InferenceModelTestCase : public IInferenceTestCase
 {
 public:
-    using TContainer = mapbox::util::variant<std::vector<float>, std::vector<int>, std::vector<unsigned char>>;
+    using TContainer =
+           mapbox::util::variant<std::vector<float>, std::vector<int>, std::vector<unsigned char>, std::vector<int8_t>>;
 
     InferenceModelTestCase(TModel& model,
                            unsigned int testCaseId,