[fbsource] Fix BUCK load paths to use package form

Summary: This diff rewrites `load("//foo/bar.bzl")` to `load("//foo:bar.bzl")`.

Test Plan: Visual inspection and CI

Reviewed By: mzlee

Differential Revision: D67465782

fbshipit-source-id: f7c802ff1b46945d172477d69a5c03c1e83a8031

antlir/antlir2/bzl/feature/feature.bzl

@@ -78,9 +78,9 @@ load("//antlir/antlir2/features/tarball:tarball.bzl", "tarball_rule")
 load("//antlir/antlir2/features/test_only_features/trace:trace.bzl", "trace_rule")
 load("//antlir/antlir2/features/user:user.bzl", "user_rule")
 load("//antlir/antlir2/features/usermod:usermod.bzl", "usermod_rule")
+load("//antlir/bzl:build_defs.bzl", "config")
 load("//antlir/bzl:flatten.bzl", "flatten")
 load("//antlir/bzl:types.bzl", "types")
-load("//antlir/bzl/build_defs.bzl", "config")
 load(":cfg.bzl", "feature_cfg")
 
 _ANTLIR_STRICT_TYPE_CHECKS = native.read_config("antlir", "strict-type-checks")

antlir/antlir2/bzl/image/layer.bzl

@@ -26,10 +26,10 @@ load(
 load("//antlir/antlir2/os:package.bzl", "get_default_os_for_package", "should_all_images_in_package_use_default_os")
 # @oss-disable
 load("//antlir/antlir2/package_managers/dnf/rules:repo.bzl", "RepoInfo", "RepoSetInfo")
+load("//antlir/bzl:build_defs.bzl", "config", "get_visibility")
 load("//antlir/bzl:constants.bzl", "REPO_CFG")
 load("//antlir/bzl:internal_external.bzl", "is_facebook")
 load("//antlir/bzl:types.bzl", "types")
-load("//antlir/bzl/build_defs.bzl", "config", "get_visibility")
 load(":cfg.bzl", "attrs_selected_by_cfg", "cfg_attrs", "layer_cfg")
 load(":depgraph.bzl", "build_depgraph")
 load(":facts.bzl", "facts")

antlir/antlir2/bzl/package/macro.bzl

@@ -9,7 +9,7 @@ load("//antlir/antlir2/antlir2_rootless:package.bzl", "get_antlir2_rootless")
 load("//antlir/antlir2/bzl:platform.bzl", "default_target_platform_kwargs")
 load("//antlir/antlir2/bzl:selects.bzl", "selects")
 load("//antlir/antlir2/os:package.bzl", "get_default_os_for_package", "should_all_images_in_package_use_default_os")
-load("//antlir/bzl/build_defs.bzl", "get_visibility")
+load("//antlir/bzl:build_defs.bzl", "get_visibility")
 
 def package_macro(
         buck_rule,

antlir/antlir2/bzl/platform.bzl

@@ -3,7 +3,7 @@
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
 
-load("//antlir/bzl/build_defs.bzl", "config")
+load("//antlir/bzl:build_defs.bzl", "config")
 
 def rule_with_default_target_platform(rule_fn):
     def _wrapped(**kwargs):