OpenAL Soft is licensed with LGPL which requires users to add a notice about its license under their open source notices screen. Change-Id: Ic3c3bcc4a38896508b19d54a8c526bcd1fa9d5b3 Reviewed-on: https://go-review.googlesource.com/8868 Reviewed-by: David Crawshaw <crawshaw@golang.org>