Run clang-format on the entire repo

This patch clang-formats the entire repo. Third-party code is
excluded.

I needed to fix up the .clang-format file so that all the header
includes are ordered properly. I could have sworn that it used to work
without the extra modification, but I guess not.

Signed-off-by: Philipp Schrader <philipp.schrader@gmail.com>
Change-Id: I64bb9f2c795401393f9dfe2fefc4f04cb36b52f6
diff --git a/y2020/control_loops/drivetrain/drivetrain_base.cc b/y2020/control_loops/drivetrain/drivetrain_base.cc
index 952c3dc..7b42df5 100644
--- a/y2020/control_loops/drivetrain/drivetrain_base.cc
+++ b/y2020/control_loops/drivetrain/drivetrain_base.cc
@@ -60,7 +60,8 @@
           .finished() /*imu_transform*/,
   };
 
-  if (::aos::network::GetTeamNumber() != constants::Values::kCodingRobotTeamNumber) {
+  if (::aos::network::GetTeamNumber() !=
+      constants::Values::kCodingRobotTeamNumber) {
     // TODO(james): Check X/Y axis
     // transformations.
     kDrivetrainConfig.imu_transform = (Eigen::Matrix<double, 3, 3>() << 1.0,