Merge "Create window decors for leaf tasks & skip non-leafs" into tm-qpr-dev

                // This logic relies on 2 assumptions: 1 is that child tasks will be visited before

                // parents (due to how z-order works). 2 is that no non-tasks are interleaved

                // between tasks (hierarchically).

                taskParents.add(change.getContainer());

                taskParents.add(change.getParent());

            }

            if (taskParents.contains(change.getContainer())) {

                continue;