Merge branch 'stable-2.16' * stable-2.16: Upgrade bazlets to latest stable-2.16 to build with 2.16.7 API Upgrade bazlets to latest stable-2.15 to build with 2.15.12 API Upgrade bazlets to latest stable-2.14 to build with 2.14.19 API Change-Id: I35ef0419e0a85d13014f8daca0dbb78745ef3c99