style: update & resolve doc block warnings (#1774)

* style: resolve throw symbols (except InvalidArgumentException)
* style: resolve unknown symbol & reduce indention for PluginEntry
* fix: define IllegalArgumentException not InvalidArgumentException

test/androidx/app/src/main/java/org/apache/cordova/unittests/EmbeddedWebViewActivity.java

@@ -44,7 +44,7 @@ public class EmbeddedWebViewActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        //Set up the webview
+        // Set up the WebView
         ConfigXmlParser parser = new ConfigXmlParser();
         parser.parse(this);