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/android.hardware.neuralnetworks@1.2-service-armnn.rc b/android.hardware.neuralnetworks@1.2-service-armnn.rc
new file mode 100644
index 0000000..5889446
--- /dev/null
+++ b/android.hardware.neuralnetworks@1.2-service-armnn.rc
@@ -0,0 +1,4 @@
+service neuralnetworks_hal_service_armnn /vendor/bin/hw/android.hardware.neuralnetworks@1.2-service-armnn
+    class hal
+    user system
+    group system