configs: Add libnbaio to PRODUCT_PACKAGES

libnbaio is not installed for system/lib/ for HY11
builds.
Add to PRODUCT_PACKAGES explicitly to acheive this.
diff --git a/configs/qssi/qssi.mk b/configs/qssi/qssi.mk
index 768e2b5..d8559a4 100644
--- a/configs/qssi/qssi.mk
+++ b/configs/qssi/qssi.mk
@@ -178,3 +178,4 @@
 PRODUCT_PACKAGES_DEBUG += \
     AudioSettings
 
+PRODUCT_PACKAGES += libnbaio