Merge \\"Test RenderNode\\'s prepareTree when its DL is null and non-null\\"...
Merge \\"Test RenderNode\\'s prepareTree when its DL is null and non-null\\" into nyc-mr1-dev am: 3d66bdb5
am: 33b9430e
Change-Id: I7da03063523bd731b83a8a412592dec4b30b2fd9