IVGCVSW-3398 Add LSTM normalization parameters to HAL 1.2

* Adding LSTM processing function in HAL 1.2 with normalization parameters
* Refactoring LSTM tests

!armnn:1608

Signed-off-by: Ferran Balaguer <ferran.balaguer@arm.com>
Change-Id: I0e00f14ef078a333e9f2f23d6278a5d92a3001d6
diff --git a/1.2/ArmnnDriverImpl.cpp b/1.2/ArmnnDriverImpl.cpp
index 82eacde..8a444e5 100644
--- a/1.2/ArmnnDriverImpl.cpp
+++ b/1.2/ArmnnDriverImpl.cpp
@@ -49,7 +49,7 @@
                             ErrorStatus errorStatus,
                             const sp<V1_2::IPreparedModel>& preparedModelPtr)
 {
-    Return<void> returned = callback->notify(errorStatus, preparedModelPtr);
+    Return<void> returned = callback->notify_1_2(errorStatus, preparedModelPtr);
     // This check is required, if the callback fails and it isn't checked it will bring down the service
     if (!returned.isOk())
     {