gradleProperties 추가

Plugins/HuaweiSDK/Source/HuaweiSDK/HuaweiSDK_UPL.xml

@@ -23,7 +23,14 @@
         <copyDir src="$S(PluginDir)/Private/Android/Java"
                  dst="$S(BuildDir)/src/com/Plugins/HuaweiSDK"/>
     </prebuildCopies>
-    
+
+    <gradleProperties>
+        <insert>
+            android.useAndroidX=true
+            android.enableJetifier=true
+        </insert>
+    </gradleProperties>
+
     <!-- Android -->
     <resourceCopies>
         <log text="Copying Java files to staging"/>