COMPMID-2779: Add support for generating synthetic int8 graphs.

Adds SyntheticDataTypeMutator, which is responsible for mutating graphs
to int8 and thus enable performance analysis on a wider range of models.

Change-Id: I9a00f0ae59421ab11952660f5115b5dcd9314aaf
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/2418
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
diff --git a/arm_compute/graph/Utils.h b/arm_compute/graph/Utils.h
index 1760bc6..57a6f14 100644
--- a/arm_compute/graph/Utils.h
+++ b/arm_compute/graph/Utils.h
@@ -85,10 +85,11 @@
 /** Creates a default @ref PassManager
  *
  * @param[in] target Target to create the pass manager for
+ * @param[in] cfg    Graph configuration meta-data
  *
  * @return A PassManager with default mutating passes
  */
-PassManager create_default_pass_manager(Target target);
+PassManager create_default_pass_manager(Target target, const GraphConfig &cfg);
 /** Setups requested backend context if it exists, is supported and hasn't been initialized already.
  *
  * @param[in,out] ctx    Graph Context.