[chromedriver] Accept and ignore "loadAsync" for android.

chrome/test/chromedriver/capabilities.cc

Index: chrome/test/chromedriver/capabilities.cc
diff --git a/chrome/test/chromedriver/capabilities.cc b/chrome/test/chromedriver/capabilities.cc
index 3c561b6d0d990327633dac0821fcad9e3ff1c2d1..518af52734a45f9c3537650db4f25ebdcaa5986d 100644
--- a/chrome/test/chromedriver/capabilities.cc
+++ b/chrome/test/chromedriver/capabilities.cc
@@ -265,6 +265,7 @@ Status ParseChromeOptions(
     parser_map["androidUseRunningApp"] =
         base::Bind(&ParseBoolean, &capabilities->android_use_running_app);
     parser_map["args"] = base::Bind(&ParseSwitches);
+    parser_map["loadAsync"] = base::Bind(&IgnoreDeprecatedOption, "loadAsync");
   } else if (is_existing) {
     parser_map["debuggerAddress"] = base::Bind(&ParseUseExistingBrowser);
   } else {