shamu: Set default values for audio HAL.

The environmental variables used by audio HAL to select which voice call
audio devices are used in a given use case changed.

Set the default values for shamu properly.

Bug: 31113526
Change-Id: I1d1f5592e54f2e788546c93b89bed8f430ab496b
(cherry picked from commit 6fdd73459727fca39dda3fb9b428c854b59eadfc)
diff --git a/device.mk b/device.mk
index ddf6d08..55028fe 100644
--- a/device.mk
+++ b/device.mk
@@ -396,6 +396,16 @@
 PRODUCT_PROPERTY_OVERRIDES += \
     audio_hal.period_size=192
 
+# Set correct voice call audio property values
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.config.vc_call_vol_steps=6 \
+    persist.audio.dualmic.config=endfire \
+    ro.qc.sdk.audio.fluencetype=fluence \
+    persist.audio.fluence.voicecall=true \
+    persist.audio.fluence.voicecomm=false \
+    persist.audio.fluence.voicerec=false \
+    persist.audio.fluence.speaker=false
+
 # OEM Unlock reporting
 ADDITIONAL_DEFAULT_PROPERTIES += \
     ro.oem_unlock_supported=1