Merge branch 'stable-3.1' * stable-3.1: Upgrade bazlets to latest stable-3.1 Upgrade bazlets to latest stable-3.0 Upgrade bazlets to latest stable-2.16 Upgrade bazlets to latest stable-2.15 Upgrade bazlets to latest stable-2.14 Change-Id: I38077bf5f46d7531d14d5a23605eefc6a9bac01c