update_engine: Sort headers alphabetically (build/include_alpha)
We are going to enable build/include_alpha linter warning soon,
so in preparation for this, fixed the warnings in update_engine.
BUG=None
TEST=cpplint.py --filter=-build/include_order,+build/include_alpha update_engine/*
CQ-DEPEND=CL:209472
Change-Id: I261ea04681599a68ec7cb899f2f881cbe228ff7b
Reviewed-on: https://chromium-review.googlesource.com/209631
Reviewed-by: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Vakulenko <avakulenko@chromium.org>
Commit-Queue: Alex Vakulenko <avakulenko@chromium.org>
diff --git a/metrics.cc b/metrics.cc
index 2522159..deb445b 100644
--- a/metrics.cc
+++ b/metrics.cc
@@ -8,8 +8,8 @@
#include <base/logging.h>
-#include "update_engine/constants.h"
#include "update_engine/clock_interface.h"
+#include "update_engine/constants.h"
#include "update_engine/prefs_interface.h"
#include "update_engine/system_state.h"
#include "update_engine/utils.h"