Merge branch 'stable-3.0'

* stable-3.0:
  Bazel: Add fixes for --incompatible_load_java_rules_from_bzl
  Upgrade bazlets to latest stable-3.0 to build with 3.0.2 API
  Upgrade bazlets to latest stable-2.16 to build with 2.16.11.1 API
  Upgrade bazlets to latest stable-2.15 to build with 2.15.16 API

Change-Id: I253ae65bbed5c3d34374ae8ed799a9e5ba41c87a