cc: Set the mapped memory reclaim limit for the renderer compositor on Android

cc/trees/layer_tree_host_unittest_occlusion.cc

Index: cc/trees/layer_tree_host_unittest_occlusion.cc
diff --git a/cc/trees/layer_tree_host_unittest_occlusion.cc b/cc/trees/layer_tree_host_unittest_occlusion.cc
index 155b8428dd8a38f3d22bac0eedf3072a694a66fe..e585da11265fa21d8e99eeaef77853b40681b2bf 100644
--- a/cc/trees/layer_tree_host_unittest_occlusion.cc
+++ b/cc/trees/layer_tree_host_unittest_occlusion.cc
@@ -98,6 +98,10 @@ class LayerTreeHostOcclusionTest : public LayerTreeTest {
     layer->SetAnchorPoint(gfx::PointF());
   }
 
+  virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
+    settings->max_bytes_pending_upload = 16 * 1024 * 1024;
+  }
+
  protected:
   scoped_refptr<TestLayer> root_;
   scoped_refptr<TestLayer> child_;