1. Huawei Nexus 6P
2. Android 6.0.1 (Stock+OTA Updates)
3. (Step 15 Qualcomm WCD9330 Audio Codec) https://www.ifixit.com/Teardown/Nexus+6P+Teardown/51660,
Snapdragon 810 features (http://www.anandtech.com/show/8933/snapdragon-810-performance-preview),
specs - http://consumer.huawei.com/minisite/worldwide/nexus6p/specifications.htm
Hope it will work
audio_policy.conf