Add METADATA to OpenCL-CTS: Khronos proprietary=BY_EXCEPTION_ONLY

Bug: 68860345
Bug: 69058154
Bug: 151953481

Test: no code changes

Exempt-From-Owner-Approval: janitorial work
Change-Id: I4e411b05392a08b6ddb336808dff6c3f4238502e
1 file changed