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/PassManager.h b/arm_compute/graph/PassManager.h
index c2b2319..c8920ba 100644
--- a/arm_compute/graph/PassManager.h
+++ b/arm_compute/graph/PassManager.h
@@ -78,12 +78,18 @@
      * @param[in, out] g Graph to run the mutations on
      */
     void run_all(Graph &g);
+    /** Runs a mutation passes of a specific type on a given graph
+     *
+     * @param[in, out] g    Graph to run the mutation on
+     * @param[in]      type Type of the mutations to execute
+     */
+    void run_type(Graph &g, IGraphMutator::MutationType type);
     /** Runs a specific mutation pass on a given graph
      *
      * @param[in, out] g     Graph to run the mutation on
      * @param[in]      index Index of the mutation to execute
      */
-    void run(Graph &g, size_t index);
+    void run_index(Graph &g, size_t index);
 
 private:
     std::vector<std::unique_ptr<IGraphMutator>> _passes; /**< Vector of graph passes */