COMPMID-1004 GLES: Add memory manager to GLES functions

Change-Id: I80fc9c0dd02afd79b501abde751036f9599b7bf2
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/125103
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/arm_compute/runtime/GLES_COMPUTE/GCTensor.h b/arm_compute/runtime/GLES_COMPUTE/GCTensor.h
index 3e51f99..0f5f194 100644
--- a/arm_compute/runtime/GLES_COMPUTE/GCTensor.h
+++ b/arm_compute/runtime/GLES_COMPUTE/GCTensor.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -91,7 +91,7 @@
     void do_unmap() override;
 
 private:
-    mutable GCTensorAllocator _allocator;
+    mutable GCTensorAllocator _allocator; /**< Instance of the OpenGL ES tensor allocator */
 };
 
 using GCImage = GCTensor;