zenfone9: Add prebuilt libsystemhelper_jni lib

Change-Id: I4bbef7dd11936148110a07a79c1a8f13679af0c4
diff --git a/proprietary-files.txt b/proprietary-files.txt
index bf048e3..65c1388 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -149,6 +149,7 @@
 # Device
 -system_ext/app/DeviceInfo/DeviceInfo.apk
 -system_ext/app/DeviceStatisticsService/DeviceStatisticsService.apk
+system_ext/lib64/libsystemhelper_jni.so
 
 # Display
 product/etc/permissions/com.qti.snapdragon.sdk.display.xml