Merge "ART: Flush ostream less frequently in GraphVisualizer" am: 15a605e am: 9049d07
am: 3c3a933

* commit '3c3a93307f98b91c1abda266b79bc093deef043a':
  ART: Flush ostream less frequently in GraphVisualizer

Change-Id: I26dae4e2e6f2f4d4487d59ca5cec18f5f62dd34d