Merge "Relax validation of HTTP header values to retain L/M behavior" am: 3de4140e89 am: 7d9cdef69f
am: a71173b01f

* commit 'a71173b01fbb2e6d6d0a8032427e362c1bba649c':
  Relax validation of HTTP header values to retain L/M behavior

Change-Id: If456f341aa351bfb12bb399a36f7a4e1b9e788f1