Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/runtime/class_linker.h b/runtime/class_linker.h
index 3993cb2..fdf75c2 100644
--- a/runtime/class_linker.h
+++ b/runtime/class_linker.h
@@ -328,8 +328,8 @@
   const void* GetOatCodeFor(const DexFile& dex_file, uint32_t method_idx)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
-  pid_t GetClassesLockOwner(); // For SignalCatcher.
-  pid_t GetDexLockOwner(); // For SignalCatcher.
+  pid_t GetClassesLockOwner();  // For SignalCatcher.
+  pid_t GetDexLockOwner();  // For SignalCatcher.
 
   bool IsDirty() const {
     return is_dirty_;