Merge branch 'stable-2.16' into stable-3.0 * stable-2.16: Bump Bazel version to 3.0.0 Upgrade bazlets to latest stable-2.16 to build with 2.16.17 API Upgrade bazlets to latest stable-2.16 Change-Id: Ice7e6fb0438f2f549803591e46f0c7fe2b94d3c1