update_engine: Run clang-format on payload_generator/

BUG=none
TEST=unittest

Change-Id: I00cafb1fc709d8f02119cb0058cfcb0b573ef25d
Reviewed-on: https://chromium-review.googlesource.com/1409927
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
diff --git a/payload_generator/raw_filesystem.h b/payload_generator/raw_filesystem.h
index 0aecd81..0ecbc9c 100644
--- a/payload_generator/raw_filesystem.h
+++ b/payload_generator/raw_filesystem.h
@@ -22,6 +22,7 @@
 
 #include "update_engine/payload_generator/filesystem_interface.h"
 
+#include <memory>
 #include <string>
 #include <vector>
 
@@ -29,8 +30,9 @@
 
 class RawFilesystem : public FilesystemInterface {
  public:
-  static std::unique_ptr<RawFilesystem> Create(
-      const std::string& filename, uint64_t block_size, uint64_t block_count);
+  static std::unique_ptr<RawFilesystem> Create(const std::string& filename,
+                                               uint64_t block_size,
+                                               uint64_t block_count);
   virtual ~RawFilesystem() = default;
 
   // FilesystemInterface overrides.