Fix libvlc aar naming

libvlc/build.gradle

@@ -28,9 +28,9 @@ android {
     libraryVariants.all { variant ->
         def vlcVersion = rootProject.ext.versionName
         //Custom APK name
-        variant.outputs.all { output ->
-            if (outputFileName != null && outputFileName.endsWith('.aar')) {
-                outputFileName = "libvlc-${vlcVersion}.aar"
+        variant.outputs.each { output ->
+            if (output.outputFileName != null && output.outputFileName.endsWith('.aar')) {
+                output.outputFileName = "libvlc-${vlcVersion}.aar"
             }
         }
     }