IVGCVSW-4407 HAL 1.3 Operators Support

* IVGCVSW-4441 Add Support for ANEURALNETWORKS_ELU
* IVGCVSW-4443 Add Support for ANEURALNETWORKS_HARD_SWISH
* IVGCVSW-4448 Add TENSOR_QUANT8_ASYMM_SIGNED data type support

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Change-Id: Idb9bb3f463b956221711423c15b6557eeb1af7db
diff --git a/1.3/HalPolicy.hpp b/1.3/HalPolicy.hpp
index f7771a6..e3f21b1 100644
--- a/1.3/HalPolicy.hpp
+++ b/1.3/HalPolicy.hpp
@@ -68,6 +68,8 @@
                                         ConversionData& data,
                                         armnn::UnaryOperation unaryOperation);
 
+    static bool ConvertElu(const Operation& operation, const Model& model, ConversionData& data);
+
     static bool ConvertExpandDims(const Operation& operation, const Model& model, ConversionData& data);
 
     static bool ConvertFloor(const Operation& operation, const Model& model, ConversionData& data);
@@ -76,6 +78,8 @@
 
     static bool ConvertGroupedConv2d(const Operation& operation, const Model& model, ConversionData& data);
 
+    static bool ConvertHardSwish(const Operation& operation, const Model& model, ConversionData& data);
+
     static bool ConvertInstanceNormalization(const Operation& operation, const Model& model, ConversionData& data);
 
     static bool ConvertL2Normalization(const Operation& operation, const Model& model, ConversionData& data);