Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/runtime/thread_list.h b/runtime/thread_list.h
index 87abbda..d95f191 100644
--- a/runtime/thread_list.h
+++ b/runtime/thread_list.h
@@ -43,7 +43,7 @@
   void DumpLocked(std::ostream& os)  // For thread suspend timeout dumps.
       EXCLUSIVE_LOCKS_REQUIRED(Locks::thread_list_lock_)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
-  pid_t GetLockOwner(); // For SignalCatcher.
+  pid_t GetLockOwner();  // For SignalCatcher.
 
   // Thread suspension support.
   void ResumeAll()
@@ -102,7 +102,7 @@
   Thread* FindThreadByThinLockId(uint32_t thin_lock_id);
 
  private:
-  typedef std::list<Thread*>::const_iterator It; // TODO: C++0x auto
+  typedef std::list<Thread*>::const_iterator It;  // TODO: C++0x auto
 
   uint32_t AllocThreadId(Thread* self);
   void ReleaseThreadId(Thread* self, uint32_t id) LOCKS_EXCLUDED(allocated_ids_lock_);