Fix audio on adhd master.

Compilation broke sometimes after build 5511, because of an added timespec.

Upstream commit: https://chromium.googlesource.com/chromiumos/third_party/adhd/+/6d785f2e9175478aac2cdd4962b6175f8dee5b34.
audio: Print Chromium OS version to ease debugging during tests.
Merge branch 'fix-audio-master-5512' of https://github.com/drinkcat/chroagh
Fix encryption test when run from /