Revert "Autotest: Increase run timeout granularity"

This causes autoupdate problems, see bug crosbug.com/36183

This reverts commit daffa57a6738c2a80caee1f311a527313ece1207

Change-Id: Iad65be9bf1b0ea329866bfdc764b0089c4f9b2a5
Reviewed-on: https://gerrit.chromium.org/gerrit/37657
Commit-Ready: Scott Zawalski <scottz@chromium.org>
Reviewed-by: Scott Zawalski <scottz@chromium.org>
Tested-by: Scott Zawalski <scottz@chromium.org>
diff --git a/server/frontend.py b/server/frontend.py
index b2b27c2..83d7a8e 100644
--- a/server/frontend.py
+++ b/server/frontend.py
@@ -355,7 +355,7 @@
     def run_test_suites(self, pairings, kernel, kernel_label=None,
                         priority='Medium', wait=True, poll_interval=10,
                         email_from=None, email_to=None, timeout=168,
-                        max_runtime_mins=10080, kernel_cmdline=None):
+                        max_runtime_hrs=168, kernel_cmdline=None):
         """
         Run a list of test suites on a particular kernel.
 
@@ -379,7 +379,7 @@
                 new_job = self.invoke_test(pairing, kernel, kernel_label,
                                            priority, timeout=timeout,
                                            kernel_cmdline=kernel_cmdline,
-                                           max_runtime_mins=max_runtime_mins)
+                                           max_runtime_hrs=max_runtime_hrs)
                 if not new_job:
                     continue
                 jobs.append(new_job)