COMPMID-534: Add MemoryManager support in NEON functions

Adds support for:
-NECannyEdge
-NEConvolution
-NEDirectConvolution
-NEGEMM
-NEGEMMLowp
-NEGaussian5x5
-NEHOGDescriptor
-NEHOGGradient
-NEL2Normalize
-NELocallyConnectedLayer
-NENormalizationLayer
-NEScale
-NESobel5x5
-NESobel7x7

Change-Id: I68e05aa6054372fa873a882633a15fb97882c00d
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/87926
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/src/runtime/NEON/functions/NEDirectConvolutionLayer.cpp b/src/runtime/NEON/functions/NEDirectConvolutionLayer.cpp
index 810efe5..a56a73c 100644
--- a/src/runtime/NEON/functions/NEDirectConvolutionLayer.cpp
+++ b/src/runtime/NEON/functions/NEDirectConvolutionLayer.cpp
@@ -33,8 +33,8 @@
 
 using namespace arm_compute;
 
-NEDirectConvolutionLayer::NEDirectConvolutionLayer()
-    : _accumulate_bias_kernel(), _conv_kernel(), _input_border_handler(), _accumulator()
+NEDirectConvolutionLayer::NEDirectConvolutionLayer(std::shared_ptr<IMemoryManager> memory_manager)
+    : _memory_group(std::move(memory_manager)), _accumulate_bias_kernel(), _conv_kernel(), _input_border_handler(), _accumulator()
 {
 }
 
@@ -46,6 +46,9 @@
         _accumulator.allocator()->free();
     }
 
+    // Manage intermediate buffers
+    _memory_group.manage(&_accumulator);
+
     // Allocate the intermediate accumulator tensor in case of fixed point input
     switch(output->info()->data_type())
     {
@@ -87,6 +90,10 @@
 {
     NEScheduler::get().schedule(&_input_border_handler, Window::DimZ);
 
+    _memory_group.acquire();
+
     NEScheduler::get().schedule(&_conv_kernel, Window::DimZ);
     NEScheduler::get().schedule(&_accumulate_bias_kernel, Window::DimY);
+
+    _memory_group.release();
 }