Update power_LoadTest password

This updates the password for power_LoadTest and login_GaiaLogin

BUG=chromium:475198
TEST=run power_LoadTest and login_GaiaLogin

Change-Id: I70b1a6d64f666534ff3b8a8cc6897918707ba9f5
Reviewed-on: https://chromium-review.googlesource.com/264785
Reviewed-by: Sameer Nanda <snanda@chromium.org>
Commit-Queue: Derek Basehore <dbasehore@chromium.org>
Tested-by: Derek Basehore <dbasehore@chromium.org>
(cherry picked from commit e26cce9fe237a268bff9208edf37fef353ce7f52)
Reviewed-on: https://chromium-review.googlesource.com/265061
Reviewed-by: Derek Basehore <dbasehore@chromium.org>
diff --git a/client/site_tests/login_GaiaLogin/login_GaiaLogin.py b/client/site_tests/login_GaiaLogin/login_GaiaLogin.py
index 6cbd143..485ce3d 100644
--- a/client/site_tests/login_GaiaLogin/login_GaiaLogin.py
+++ b/client/site_tests/login_GaiaLogin/login_GaiaLogin.py
@@ -16,7 +16,7 @@
     _USERNAME = 'powerloadtest@gmail.com'
     # TODO(achuith): Get rid of this when crbug.com/358427 is fixed.
     _USERNAME_DISPLAY = 'power.loadtest@gmail.com'
-    _PASSWORD = 'power_LoadTest3'
+    _PASSWORD = 'power_LoadTest4'
 
     def run_once(self):
         with chrome.Chrome(gaia_login=True, username=self._USERNAME,
diff --git a/client/site_tests/power_LoadTest/power_LoadTest.py b/client/site_tests/power_LoadTest/power_LoadTest.py
index 3e1ff6b..64061b0 100755
--- a/client/site_tests/power_LoadTest/power_LoadTest.py
+++ b/client/site_tests/power_LoadTest/power_LoadTest.py
@@ -29,7 +29,7 @@
     """test class"""
     version = 2
     _username = 'powerloadtest@gmail.com'
-    _password = 'power_LoadTest3'
+    _password = 'power_LoadTest4'
 
 
     def initialize(self, percent_initial_charge_min=None,