audio: deep buffer path

audio_policy.conf commented out; see bug for details

Bug: 6993218
Change-Id: I01272fab446f0ad7d92b3a3a9ae573edc166bfd6
diff --git a/audio_policy.conf b/audio_policy.conf
index 514944c..57a9ba7 100644
--- a/audio_policy.conf
+++ b/audio_policy.conf
@@ -29,6 +29,13 @@
         devices AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE|AUDIO_DEVICE_OUT_ALL_SCO|AUDIO_DEVICE_OUT_AUX_DIGITAL|AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET
         flags AUDIO_OUTPUT_FLAG_PRIMARY
       }
+#     deep_buffer {
+#       sampling_rates 44100
+#       channel_masks AUDIO_CHANNEL_OUT_STEREO
+#       formats AUDIO_FORMAT_PCM_16_BIT
+#       devices AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE
+#       flags AUDIO_OUTPUT_FLAG_DEEP_BUFFER
+#     }
     }
     inputs {
       primary {