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/fake_filesystem.cc b/payload_generator/fake_filesystem.cc
index 234e2f6..7448286 100644
--- a/payload_generator/fake_filesystem.cc
+++ b/payload_generator/fake_filesystem.cc
@@ -20,10 +20,8 @@
 
 namespace chromeos_update_engine {
 
-FakeFilesystem::FakeFilesystem(uint64_t block_size, uint64_t block_count) :
-    block_size_(block_size),
-    block_count_(block_count) {
-}
+FakeFilesystem::FakeFilesystem(uint64_t block_size, uint64_t block_count)
+    : block_size_(block_size), block_count_(block_count) {}
 
 size_t FakeFilesystem::GetBlockSize() const {
   return block_size_;