Minor, rename codegen tests on platformName and platformStatic

compiler/testData/codegen/boxWithJava/jvmName/FakePlatformName.java

@@ -0,0 +1,12 @@
+import kotlin.jvm.JvmName;
+
+public class FakePlatformName {
+    @JvmName(name = "fake")
+    public String foo() {
+        return "foo";
+    }
+
+    public String fake() {
+        return "fake";
+    }
+}