update_engine: Run clang-format on ./ (root directory)

BUG=none
TEST=unittest

Change-Id: Ibd075dc7ea9a18e798f612e35725f1c83c112809
Reviewed-on: https://chromium-review.googlesource.com/1409708
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
diff --git a/testrunner.cc b/testrunner.cc
index 81d4548..db0b347 100644
--- a/testrunner.cc
+++ b/testrunner.cc
@@ -26,7 +26,7 @@
 #include "update_engine/common/terminator.h"
 #include "update_engine/payload_generator/xz.h"
 
-int main(int argc, char **argv) {
+int main(int argc, char** argv) {
   LOG(INFO) << "started";
   base::AtExitManager exit_manager;
   // xz-embedded requires to initialize its CRC-32 table once on startup.