Merge branch 'stable-2.16' into stable-3.0 * stable-2.16: Upgrade bazlets to latest stable-2.16 to build with 2.16.8 API Upgrade bazlets to latest stable-2.15 to build with 2.15.13 API Upgrade bazlets to latest stable-2.14 to build with 2.14.20 API Change-Id: Ib95f4c41bd357d5ae97cad98f56e87750a59dffe