Refactor Forced Import

 * Find and replace all workloads associated with imported IO
 * Only attempt tensorhandle replacement if supported by all workloads
 * Add new RefBaseWorkload to enable forced input for ref backend
 * Store imported tensorhandles in preImportedTensorhandles instead of outputHandles
 * Create pre-imported tensorhandles at network load-time
 * Front load import workload validation to load network time
 * Only call ReplaceTensorHandle when needed

Change-Id: I3816a71b7f57ae90388bb16462a75d4ef3544fa7
Signed-off-by: Finn Williams <finn.williams@arm.com>
diff --git a/src/backends/reference/workloads/RefFullyConnectedWorkload.cpp b/src/backends/reference/workloads/RefFullyConnectedWorkload.cpp
index 5a7951e..c6ea147 100644
--- a/src/backends/reference/workloads/RefFullyConnectedWorkload.cpp
+++ b/src/backends/reference/workloads/RefFullyConnectedWorkload.cpp
@@ -14,7 +14,7 @@
 {
 RefFullyConnectedWorkload::RefFullyConnectedWorkload(
     const FullyConnectedQueueDescriptor& descriptor, const WorkloadInfo& info)
-        : BaseWorkload<FullyConnectedQueueDescriptor>(descriptor, info)
+        : RefBaseWorkload<FullyConnectedQueueDescriptor>(descriptor, info)
 {
 }