Package the assets as part of the build (thanks to @MuadDib)

Projects/Android/build.gradle

@@ -63,4 +63,20 @@ buildscript {
     repositories {
         google()
     }
-}
+}
+
+task packJOResources(type: Zip) {
+    from "../../z_vr_assets/"
+    destinationDir file("../../assets/")
+    archiveName "z_vr_assets.pk3"
+}
+
+task packJAResources(type: Zip) {
+    from "../../z_vr_assets_jka/"
+    destinationDir file("../../assets/")
+    archiveName "z_vr_assets_jka.pk3"
+}
+
+tasks.matching {it.name.startsWith("assemble")}.all { Task task ->
+    task.dependsOn([packJOResources, packJAResources])
+}