Revert "Revert "audio: add support for routing to/from voice TX/RX paths""

This reverts commit 55a1293b422d181281cf0f7d37c6c15c5d921ef3.

Bug: 15520724.

Change-Id: I46c2402bedd513c148b2c309c6f18a7ef3aa4d2a
diff --git a/hal/msm8960/platform.h b/hal/msm8960/platform.h
index 4d137aa..0201772 100644
--- a/hal/msm8960/platform.h
+++ b/hal/msm8960/platform.h
@@ -120,4 +120,8 @@
 #define LOW_LATENCY_CAPTURE_PERIOD_SIZE 240
 #define LOW_LATENCY_CAPTURE_USE_CASE 0
 
+#define AFE_PROXY_PLAYBACK_PCM_DEVICE 7
+#define AFE_PROXY_RECORD_PCM_DEVICE 8
+
+
 #endif // QCOM_AUDIO_PLATFORM_H