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/1.2/ArmnnDriverImpl.hpp b/1.2/ArmnnDriverImpl.hpp
new file mode 100644
index 0000000..b3c6507
--- /dev/null
+++ b/1.2/ArmnnDriverImpl.hpp
@@ -0,0 +1,34 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <HalInterfaces.h>
+
+#include "../DriverOptions.hpp"
+
+#include <armnn/ArmNN.hpp>
+
+namespace armnn_driver
+{
+namespace hal_1_2
+{
+
+class ArmnnDriverImpl
+{
+public:
+    static Return<ErrorStatus> prepareArmnnModel_1_2(const armnn::IRuntimePtr& runtime,
+                                                     const armnn::IGpuAccTunedParametersPtr& clTunedParameters,
+                                                     const DriverOptions& options,
+                                                     const V1_2::Model& model,
+                                                     const android::sp<V1_2::IPreparedModelCallback>& cb,
+                                                     bool float32ToFloat16 = false);
+
+    static Return<void> getCapabilities_1_2(const armnn::IRuntimePtr& runtime,
+                                            V1_2::IDevice::getCapabilities_1_2_cb cb);
+};
+
+} // namespace hal_1_2
+} // namespace armnn_driver
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