Update cmake minimum requirement on deprecated cmake version (2.8.11) to non-deprecated version (3.5) Change-Id: Ib76d241babf475a26464e8b12b91d67e48f72b60
Update headers as of master https://github.com/KhronosGroup/OpenCL-Headers/ commit/9dde5da9c32cbd78656a5e2417c256922e851111 Change-Id: I698a3a1b92730c52b160b51af95469c2b54331c1