IVGCVSW-3181 Add HAL 1.2 support to android-nn-driver

 * Updated Android.mk to build HAL 1.2 driver
 * Added 1.2 HalPolicy and ArmnnDriver
 * Added 1.2 ArmnnPreparedModel
 * Updated converters and utilities to accept new HAL 1.2 operands and operand types.

Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Signed-off-by: Mike Kelly <mike.kelly@arm.com>
Change-Id: I62856deab24e106f72cccce09468db4971756fa6
diff --git a/ArmnnDriver.hpp b/ArmnnDriver.hpp
index 7c6e5d0..d961f86 100644
--- a/ArmnnDriver.hpp
+++ b/ArmnnDriver.hpp
@@ -9,7 +9,27 @@
 
 #include <log/log.h>
 
-#ifdef ARMNN_ANDROID_NN_V1_1 // Using ::android::hardware::neuralnetworks::V1_1
+#ifdef ARMNN_ANDROID_NN_V1_2 // Using ::android::hardware::neuralnetworks::V1_2
+
+#include "1.1/ArmnnDriver.hpp"
+#include "1.2/ArmnnDriver.hpp"
+
+namespace armnn_driver
+{
+
+class ArmnnDriver : public hal_1_2::ArmnnDriver
+{
+public:
+    ArmnnDriver(DriverOptions options)
+        : hal_1_2::ArmnnDriver(std::move(options))
+    {
+        ALOGV("ArmnnDriver::ArmnnDriver()");
+    }
+    ~ArmnnDriver() {}
+};
+
+} // namespace armnn_driver
+#elif ARMNN_ANDROID_NN_V1_1 // Using ::android::hardware::neuralnetworks::V1_1
 
 #include "1.1/ArmnnDriver.hpp"