Enabled gradle build.

Removed aar files.
Upgraded HMS kit versions.
Updated scripts due to hms kit upgrades.

Assets/Editor/HMSUnityPackageCreator.cs

@@ -0,0 +1,23 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+namespace HmsPlugin
+{
+    public static class HMSUnityPackageCreator
+    {
+        [MenuItem("Huawei/Prepare Packages")]
+        private static void PreparePackages()
+        {
+            string[] hmsFileNames =
+            {
+                "Assets/Huawei",
+                "Assets/Plugins",
+                "Assets/Resources",
+                "Assets/StreamingAssets"
+            };
+            AssetDatabase.ExportPackage(hmsFileNames, Application.dataPath + "/HMSUnityPackage.unitypackage", ExportPackageOptions.Recurse | ExportPackageOptions.Interactive);
+        }
+    }
+}