Merge remote branch 'cros/upstream' into master

Merged to upstream autotest @4749~@5215.

The entire change list description is too big to enlist here. Please refer to upstream (http://autotest.kernel.org/browser) for more details.

BUG=
TEST=emerged both x86 and arm build.
Tested emerged x86 build bvt against a chromeos device.

Review URL: http://codereview.chromium.org/6246035

Change-Id: I8455f2135c87c321c6efc232e2869dc8f675395e
diff --git a/server/tests/netperf2/netperf2.py b/server/tests/netperf2/netperf2.py
index 604e4c8..108dab8 100644
--- a/server/tests/netperf2/netperf2.py
+++ b/server/tests/netperf2/netperf2.py
@@ -33,7 +33,7 @@
                             "test_time=%d, stream_list=%s, tag='%s', ",
                             "iterations=%d)"])
 
-        server_control_file = template % (server.ip, client.ip, 'server', test, 
+        server_control_file = template % (server.ip, client.ip, 'server', test,
                                           time, stream_list, test, cycles)
         client_control_file = template % (server.ip, client.ip, 'client', test,
                                           time, stream_list, test, cycles)