This CL fixes the issue with login using alternative e-mails.

tools/telemetry/telemetry/internal/backends/chrome/oobe.py

Index: tools/telemetry/telemetry/internal/backends/chrome/oobe.py
diff --git a/tools/telemetry/telemetry/internal/backends/chrome/oobe.py b/tools/telemetry/telemetry/internal/backends/chrome/oobe.py
index 9e989d9a250bcfc03212a89ccb5de2e1205c5443..381ed641146e0cf1ee0027e69cb333f691dd8e26 100644
--- a/tools/telemetry/telemetry/internal/backends/chrome/oobe.py
+++ b/tools/telemetry/telemetry/internal/backends/chrome/oobe.py
@@ -48,9 +48,9 @@ class Oobe(web_contents.WebContents):
     """Logs in as guest."""
     self._ExecuteOobeApi('Oobe.guestLoginForTesting')
 
-  def NavigateFakeLogin(self, username, password):
+  def NavigateFakeLogin(self, username, password, gaia_id):
     """Fake user login."""
-    self._ExecuteOobeApi('Oobe.loginForTesting', username, password)
+    self._ExecuteOobeApi('Oobe.loginForTesting', username, password, gaia_id)
 
   def NavigateGaiaLogin(self, username, password,
                         enterprise_enroll=False,