Fix ABI split configuration for updated Gradle plugin API (#3449)

* Fix ABI split configuration for updated Gradle plugin API

Updated the ABI split configuration in the build.gradle file to use the new syntax.
Replaced deprecated `reset()` method with the updated `splits.abi` configuration block and added `universalApk = true` to include a universal APK.

* Unresolved reference: universalApk

Unresolved reference: universalApk

V2rayNG/app/build.gradle.kts

@@ -14,15 +14,19 @@ android {
         versionCode = 580
         versionName = "1.8.36"
         multiDexEnabled = true
-        splits.abi {
-            reset()
-            include(
-                "arm64-v8a",
-                "armeabi-v7a",
-                "x86_64",
-                "x86"
-            )
+        splits {
+            abi {
+                isEnable = true
+                include(
+                    "arm64-v8a",
+                    "armeabi-v7a",
+                    "x86_64",
+                    "x86"
+                )
+                isUniversalApk = true
+            }
         }
+
     }
 
     compileOptions {
@@ -50,13 +54,6 @@ android {
         jvmTarget = JavaVersion.VERSION_1_8.toString()
     }
 
-    splits {
-        abi {
-            isEnable = true
-            isUniversalApk = true
-        }
-    }
-
     applicationVariants.all {
         val variant = this
         val versionCodes =