Merge branch 'stable-3.0'

* stable-3.0:
  Bump bazel version to 1.0.0
  Upgrade bazlets to latest stable-2.16 to build with 2.16.12 API
  Upgrade bazlets to latest stable-2.15 to build with 2.15.17 API
  Switch required bazel version to 0.29.1
  Upgrade bazlets to latest stable-2.16
  Upgrade bazlets to latest stable-2.15
  Bump required bazel version to 1.0.0rc2
  Upgrade bazlets to latest stable-2.14
  Upgrade bazlets to latest stable-2.15
  Upgrade bazlets to latest stable-2.14
  Bazel: Add fixes for --incompatible_load_java_rules_from_bzl
  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
  Upgrade bazlets to latest stable-2.15 to build with 2.15.15 API
  Upgrade bazlets to latest stable-2.16 to build with 2.16.10 API
  Upgrade bazlets to latest stable-2.16
  Upgrade bazlets to latest stable-2.15
  Upgrade bazlets to latest stable-2.14
  Upgrade bazlets to latest stable-2.15
  Upgrade bazlets to latest stable-2.14
  Upgrade bazlets to latest stable-2.16 to build with 2.16.9 API
  Upgrade bazlets to latest stable-2.15
  Upgrade bazlets to latest stable-2.14
  Upgrade bazlets to latest stable-2.15 to build with 2.15.14 API
  Upgrade mockito-core to 2.28.2
  Make transitive starlark loads explicit
  Make transitive starlark loads explicit
  Make transitive starlark loads explicit

Change-Id: I0cafd7abbb808b1fe0ccbd074aba78e2c03feca7