zenfone8: Build Power qti from source

Change-Id: I32319bd53a3f772e7e466e835af63924c87a4f18
diff --git a/device.mk b/device.mk
index 3d10544..4acb25a 100755
--- a/device.mk
+++ b/device.mk
@@ -255,7 +255,7 @@
 # Power
 PRODUCT_PACKAGES += \
     android.hardware.power@1.2.vendor \
-    android.hardware.power-V1-ndk_platform.vendor
+    android.hardware.power-service-qti
 
 # Prebuilt
 PRODUCT_COPY_FILES += \