Re-architecture of the Godot Android plugin.

platform/android/java/plugins/godotpayment/build.gradle

@@ -0,0 +1,31 @@
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion versions.compileSdk
+    buildToolsVersion versions.buildTools
+
+    defaultConfig {
+        minSdkVersion versions.minSdk
+        targetSdkVersion versions.targetSdk
+    }
+
+    libraryVariants.all { variant ->
+        variant.outputs.all { output ->
+            output.outputFileName = "GodotPayment.${variant.name}.aar"
+        }
+    }
+
+}
+
+dependencies {
+    implementation libraries.supportCoreUtils
+    implementation libraries.v4Support
+
+    if (rootProject.findProject(":lib")) {
+        compileOnly project(":lib")
+    } else if (rootProject.findProject(":godot:lib")) {
+        compileOnly project(":godot:lib")
+    } else {
+        compileOnly fileTree(dir: 'libs', include: ['godot-lib*.aar'])
+    }
+}