Rename quantized data types to remove ambiguity for signed/unsigned payloads

!android-nn-driver:2572

Change-Id: I8fe52ceb09987b3d05c539409510f535165455cc
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
diff --git a/src/armnnTfLiteParser/test/TransposeConv.cpp b/src/armnnTfLiteParser/test/TransposeConv.cpp
index 46b02ac..084a286 100644
--- a/src/armnnTfLiteParser/test/TransposeConv.cpp
+++ b/src/armnnTfLiteParser/test/TransposeConv.cpp
@@ -118,7 +118,7 @@
 
 BOOST_FIXTURE_TEST_CASE( ParseSimpleTransposeConv, SimpleTransposeConvFixture )
 {
-    RunTest<4, armnn::DataType::QuantisedAsymm8>(
+    RunTest<4, armnn::DataType::QAsymmU8>(
         0,
         {
             1, 2,