Move DWC native heuristic into the heuristic folder

- Move the DWC native heuristic from CLDepthwiseConvolutionLayer to
heuristic/
- Update the heuristic for Arm® Mali™-G77. Use a smaller block size
(4x2) for Fp16
- Call the new heuristic in GpuDepthwiseConv2d

Resolves COMPMID-5798

Signed-off-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Change-Id: I6bfd30cea76bea2e98202a7a5c1d51709f3382a4
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/8889
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/filelist.json b/filelist.json
index 5828b43..7bc47f7 100644
--- a/filelist.json
+++ b/filelist.json
@@ -502,6 +502,9 @@
           "src/runtime/CL/functions/CLGEMMLowpOutputStage.cpp",
           "src/runtime/heuristics/direct_conv/ClDirectConvDefaultConfigBifrost.cpp",
           "src/runtime/heuristics/direct_conv/ClDirectConvDefaultConfigValhall.cpp",
+          "src/runtime/heuristics/dwc_native/ClDWCNativeDefaultConfigBifrost.cpp",
+          "src/runtime/heuristics/dwc_native/ClDWCNativeDefaultConfigValhall.cpp",
+          "src/runtime/heuristics/dwc_native/ClDWCNativeHeuristicsHelpers.cpp",
           "src/runtime/heuristics/indirect_conv/ClIndirectConvDefaultConfigValhall.cpp"
         ]
       }