hal: enable support for AEC on Voice Recognition path

- enable AEC for VR path for multi mic

Bug: 27906575

Change-Id: I21bf7247bed93b200169f2cb60d3ddff8631fd6e
diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index 53474f6..7a27359 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -128,6 +128,7 @@
 
     SND_DEVICE_IN_VOICE_REC_MIC,
     SND_DEVICE_IN_VOICE_REC_MIC_NS,
+    SND_DEVICE_IN_VOICE_REC_MIC_AEC,
     SND_DEVICE_IN_VOICE_REC_DMIC_STEREO,
     SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE,
     SND_DEVICE_IN_VOICE_REC_HEADSET_MIC,
@@ -143,6 +144,8 @@
 
     SND_DEVICE_IN_HANDSET_TMIC,
     SND_DEVICE_IN_HANDSET_QMIC,
+    SND_DEVICE_IN_HANDSET_TMIC_AEC,
+    SND_DEVICE_IN_HANDSET_QMIC_AEC,
     SND_DEVICE_IN_END,
 
     SND_DEVICE_MAX = SND_DEVICE_IN_END,