IVGCVSW-5377 Add ArmNN TfLite delegate to ExecuteNetwork

 * Added package manger to turn internal calls to find_package into a no-op
 * Changed delegate cmake so it can now be built within armnn

Change-Id: I2a7ecb9a3c1ca05474cd1dccd91498f6f6c0b32e
Signed-off-by: Finn Williams <Finn.Williams@arm.com>
Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
diff --git a/tests/ExecuteNetwork/ExecuteNetworkParams.cpp b/tests/ExecuteNetwork/ExecuteNetworkParams.cpp
index a3a7f6a..890ab2a 100644
--- a/tests/ExecuteNetwork/ExecuteNetworkParams.cpp
+++ b/tests/ExecuteNetwork/ExecuteNetworkParams.cpp
@@ -74,6 +74,7 @@
                                                               "format supported for tflite files",
                                                               modelFormat));
         }
+#elif defined(ARMNN_TFLITE_DELEGATE)
 #else
         throw armnn::InvalidArgumentException("Can't run model in tflite format without a "
                                               "built with Tensorflow Lite parser support.");