[automerger skipped] Use upstream Vulkan headers from external/vulkan-headers am: c6882b4814 -s ours
am: 360f6e43f7 -s ours
am skip reason: change_id If4677d08a6891b18ce347e3fa3be393fc6111fc8 with SHA1 b9d7b81a3b is in history

Change-Id: Icc75b853e88fb704b7bc238658b407395eb1881c