Merge changes Ifeba21da,Ie7982790,I02bb34b7 into nyc-dev
am: 2ee735c97c

* commit '2ee735c97c760cec76c1385f1896b822ff45cba5':
  vulkan: silence a warning when layers are enabled
  vulkan: fix "vkinfo -validate"
  vulkan: fix vkinfo with layer extensions

Change-Id: If22805ef70cac2ce978980a157dc252cf7e9226e