Move Android compiler plugin tests to android-compiler-plugin module

plugins/android-compiler-plugin/testData/codegen/androidPersistence/multiFile/multiFile.kt

@@ -0,0 +1,13 @@
+package com.myapp
+
+import android.app.Activity
+
+
+class MyActivity: Activity() {
+    val button = this.login
+    val button1 = this.loginButton
+}
+
+// 2 GETSTATIC
+// 2 INVOKEVIRTUAL
+// 2 CHECKCAST