zenfone6: move some property to device.mk

Change-Id: I17fe1a03094ac31de428e8ab205aabe2d2945233
diff --git a/device.mk b/device.mk
index 4ff65f9..d313e3f 100755
--- a/device.mk
+++ b/device.mk
@@ -35,6 +35,8 @@
     $(LOCAL_PATH)/overlay
 
 # A/B
+AB_OTA_UPDATER := true
+
 AB_OTA_PARTITIONS += \
     boot \
     dtbo \
@@ -51,6 +53,9 @@
 PRODUCT_PACKAGES += \
     AntHalService
 
+# Api
+PRODUCT_SHIPPING_API_LEVEL := 28
+
 # audio
 PRODUCT_PACKAGES += \
     audio.a2dp.default
@@ -143,6 +148,9 @@
 PRODUCT_AAPT_CONFIG := xxhdpi
 PRODUCT_AAPT_PREF_CONFIG := xxhdpi
 
+# Properties
+BOARD_PROPERTY_OVERRIDES_SPLIT_ENABLED := true
+
 # Rootdir
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/recovery.fstab:system/etc/fstab.qcom