config: add dynamic feature flag for auto hal

Add dynamic feature flag for auto hal prop.

Change-Id: I60e853395f66d89667628d807dfed0c64864f140
diff --git a/configs/msmnile_au/msmnile_au.mk b/configs/msmnile_au/msmnile_au.mk
index 52fe4aa..731144f 100644
--- a/configs/msmnile_au/msmnile_au.mk
+++ b/configs/msmnile_au/msmnile_au.mk
@@ -362,7 +362,8 @@
 vendor.audio.feature.vbat.enable=false \
 vendor.audio.feature.wsa.enable=false \
 vendor.audio.feature.audiozoom.enable=false \
-vendor.audio.feature.snd_mon.enable=false
+vendor.audio.feature.snd_mon.enable=false \
+vendor.audio.feature.auto_hal.enable=true
 else
 # Non-Generic ODM varient related
 PRODUCT_ODM_PROPERTIES += \
@@ -406,7 +407,8 @@
 vendor.audio.feature.vbat.enable=true \
 vendor.audio.feature.wsa.enable=false \
 vendor.audio.feature.audiozoom.enable=false \
-vendor.audio.feature.snd_mon.enable=false
+vendor.audio.feature.snd_mon.enable=false \
+vendor.audio.feature.auto_hal.enable=true
 endif
 
 # for HIDL related packages