Merge tag 'android-security-10.0.0_r53' into int/10/fp2

Android security 10.0.0 release 53

* tag 'android-security-10.0.0_r53':
  audio_utils: test SPDIFEncoder
  spdif: fix possible buffer overflow

Change-Id: Ib5155d3053c587486a1a4000f3ceb51eaf9cba0a