Refactor instance inner classes to static to fix SpotBugs warnings.

Author: google-labs-jules[bot]

maven/core-unittests/src/test/java/com/codename1/components/RSSReaderCoverageTest.java

@@ -22,7 +22,7 @@ public void testBackCommand() {
         Assertions.assertEquals("Current", Display.getInstance().getCurrent().getTitle());
 
         RSSReader reader = new RSSReader();
-        RSSReader.BackCommand backCmd = reader.new BackCommand(previousForm);
+        RSSReader.BackCommand backCmd = new RSSReader.BackCommand(previousForm);
 
         backCmd.actionPerformed(new ActionEvent(backCmd));
 
@@ -35,7 +35,7 @@ public void testBackCommand() {
     public void testListener() {
         RSSReader reader = new RSSReader();
         String testUrl = "https://www.example.com";
-        RSSReader.Listener listener = reader.new Listener(testUrl);
+        RSSReader.Listener listener = new RSSReader.Listener(testUrl);
 
         listener.actionPerformed(new ActionEvent(reader));
 

maven/core-unittests/src/test/java/com/codename1/components/WebBrowserTest.java

@@ -41,7 +41,7 @@ void testPropertyTypes() {
     void testLoadingInnerClass() {
         WebBrowser browser = new WebBrowser();
         com.codename1.ui.Form f = new com.codename1.ui.Form();
-        WebBrowser.Loading loading = browser.new Loading(f);
+        WebBrowser.Loading loading = new WebBrowser.Loading(f);
 
         assertTrue(loading.animate());
 

maven/core-unittests/src/test/java/com/codename1/io/Oauth2RefreshTokenRequestTest.java

@@ -9,7 +9,7 @@ public class Oauth2RefreshTokenRequestTest extends UITestBase {
     @FormTest
     public void testRefreshTokenRequest() {
         // Just instantiate to cover the class definition
-        Oauth2.RefreshTokenRequest req = new Oauth2("url", "id", "uri").new RefreshTokenRequest();
+        Oauth2.RefreshTokenRequest req = new Oauth2.RefreshTokenRequest();
         Assertions.assertNotNull(req);
     }
 }