sapphire: Declare shipping API level

Change-Id: I1d2bf1c5b5c8b3e4adf4c8d93293768323ed59ff
Signed-off-by: ReStranger <restranger@disroot.org>
diff --git a/device.mk b/device.mk
index 288caaf..ed06422 100644
--- a/device.mk
+++ b/device.mk
@@ -10,6 +10,9 @@
 # Inherit the proprietary files
 $(call inherit-product, vendor/xiaomi/sapphire/sapphire-vendor.mk)
 
+# Shipping API Level
+PRODUCT_SHIPPING_API_LEVEL := 33
+
 # Soong namespaces
 PRODUCT_SOONG_NAMESPACES += \
     $(LOCAL_PATH)