audio:config: enable audio HIDL component

- add audio HIDL component.

Change-Id: I4cb2891a3f241ac54830d5e76392ec7219912993
diff --git a/configs/msm8998/msm8998.mk b/configs/msm8998/msm8998.mk
index 400f941..c32ddb9 100644
--- a/configs/msm8998/msm8998.mk
+++ b/configs/msm8998/msm8998.mk
@@ -230,3 +230,10 @@
 #offload pausetime out duration to 3 secs to inline with other outputs
 PRODUCT_PROPERTY_OVERRIDES += \
 audio.offload.pstimeout.secs=3
+
+# for HIDL related packages
+PRODUCT_PACKAGES += \
+    android.hardware.audio@2.0-service \
+    android.hardware.audio@2.0-impl \
+    android.hardware.audio.effect@2.0-impl \
+    android.hardware.soundtrigger@2.0-impl