Merge branch 'stable-2.16'

* stable-2.16:
  Set version to 2.16.11.1
  Set version to 2.16.11
  Set Gerrit to 2.15.16
  Set Gerrit to 2.15.15
  Set version to 2.16.10

Change-Id: Iaa7abc476998c5ec2477395c94cc2a1850031001