[Android] Abandon bundling DevTools frontends for mobile apps

content/shell/shell_devtools_delegate.cc

Index: content/shell/shell_devtools_delegate.cc
diff --git a/content/shell/shell_devtools_delegate.cc b/content/shell/shell_devtools_delegate.cc
index 2d7b15ef30b5c0c654e9a97e9f41738a434da5d3..d6fe39cc6436d8fc5b07670d7f6a9927a20b8f30 100644
--- a/content/shell/shell_devtools_delegate.cc
+++ b/content/shell/shell_devtools_delegate.cc
@@ -59,6 +59,8 @@ namespace content {
 
 ShellDevToolsDelegate::ShellDevToolsDelegate(BrowserContext* browser_context)
     : browser_context_(browser_context) {
+  // Note that Content Shell always used bundled DevTools frontend,
+  // even on Android, because the shell is used for running layout tests.
   devtools_http_handler_ =
       DevToolsHttpHandler::Start(CreateSocketFactory(), std::string(), this);
 }