Reformat the WebRTC code base

Running clang-format with chromium's style guide.

The goal is n-fold:
 * providing consistency and readability (that's what code guidelines are for)
 * preventing noise with presubmit checks and git cl format
 * building on the previous point: making it easier to automatically fix format issues
 * you name it

Please consider using git-hyper-blame to ignore this commit.

Bug: webrtc:9340
Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87
Reviewed-on: https://webrtc-review.googlesource.com/81185
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23660}
diff --git a/rtc_tools/simple_command_line_parser_unittest.cc b/rtc_tools/simple_command_line_parser_unittest.cc
index d98868a..a94f992 100644
--- a/rtc_tools/simple_command_line_parser_unittest.cc
+++ b/rtc_tools/simple_command_line_parser_unittest.cc
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "test/gtest.h"
 #include "rtc_tools/simple_command_line_parser.h"
+#include "test/gtest.h"
 
 namespace webrtc {
 namespace test {