am 37ea7112: Merge change 6338 into donut

Merge commit '37ea71122579e9e2ad1f91b3eca5e4d436b54ea9'

* commit '37ea71122579e9e2ad1f91b3eca5e4d436b54ea9':
  septet-align UD after any UDH for GSM-7bit coding