docs: Added note on disabling debugging for WebView apps. Bug: 16232761

added to your code, such as {@link android.os.Debug#startMethodTracing()} and

{@link android.os.Debug#stopMethodTracing()} method calls.</p>

<p class="caution"><strong>Important:</strong> Ensure that you disable debugging for

your app if using {@link android.webkit.WebView} to display paid for content or if using JavaScript

interfaces, since debugging allows users to inject scripts and extract content using Chrome

DevTools. To disable debugging, use the

{@link android.webkit.WebView#setWebContentsDebuggingEnabled(boolean) WebView.setWebContentsDebuggingEnabled()}

method.</p>

<h4>Clean up your project directories</h4>

<p>Clean up your project and make sure it conforms to the directory structure described in <a