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/Dequantize.cpp b/src/armnnTfLiteParser/test/Dequantize.cpp
index 2f98c07..79dfe2e 100644
--- a/src/armnnTfLiteParser/test/Dequantize.cpp
+++ b/src/armnnTfLiteParser/test/Dequantize.cpp
@@ -82,7 +82,7 @@
 
     BOOST_FIXTURE_TEST_CASE(SimpleDequantizeQAsymm8, SimpleDequantizeFixtureQAsymm8)
     {
-        RunTest<2, armnn::DataType::QuantisedAsymm8 , armnn::DataType::Float32>(
+        RunTest<2, armnn::DataType::QAsymmU8 , armnn::DataType::Float32>(
                 0,
                 {{"inputTensor",  { 0u,   1u,   5u,   100u,   200u,   255u }}},
                 {{"outputTensor", { 0.0f, 1.5f, 7.5f, 150.0f, 300.0f, 382.5f }}});
@@ -97,7 +97,7 @@
 
     BOOST_FIXTURE_TEST_CASE(SimpleDequantizeQsymm16, SimpleDequantizeFixtureQSymm16)
     {
-        RunTest<2, armnn::DataType::QuantisedSymm16 , armnn::DataType::Float32>(
+        RunTest<2, armnn::DataType::QSymmS16 , armnn::DataType::Float32>(
                 0,
                 {{"inputTensor",  { 0,    1,    5,    32767,    -1,   -32768 }}},
                 {{"outputTensor", { 0.0f, 1.5f, 7.5f, 49150.5f, -1.5f,-49152.0f }}});