Merge "Change RequiresConstructorBarrier default to yes" into nyc-dev am: d42c845
am: b1fbde8

* commit 'b1fbde8044979945d49546552e7806bda38d636a':
  Change RequiresConstructorBarrier default to yes

Change-Id: I5b1a3f224b88d83be31e1cda90b5b02f10f5a4d3