Added licenses() to all BUILD files.

BUILD

@@ -1,7 +1,6 @@
 load(
     "//bazel:build_defs.bzl",
     "UPB_DEFAULT_COPTS",
-    "licenses",  # copybara:strip_for_google3
     "upb_amalgamation",
 )
 load(

bazel/build_defs.bzl

@@ -135,7 +135,3 @@ upb_amalgamation = rule(
     },
     implementation = _upb_amalgamation,
 )
-
-def licenses(*args):
-    # No-op (for Google-internal usage).
-    pass

benchmarks/BUILD

@@ -4,6 +4,8 @@ load(
     "upb_proto_reflection_library",
 )
 
+licenses(["notice"])  # BSD (Google-authored w/ possible external contributions)
+
 proto_library(
     name = "benchmark_descriptor_proto",
     srcs = ["descriptor.proto"],

cmake/BUILD

@@ -7,6 +7,8 @@ load(
     "make_shell_script",
 )
 
+licenses(["notice"])  # BSD (Google-authored w/ possible external contributions)
+
 exports_files(["staleness_test.py"])
 
 py_library(

examples/bazel/BUILD

@@ -1,6 +1,8 @@
 load("@rules_proto//proto:defs.bzl", "proto_library")
 load("@upb//bazel:upb_proto_library.bzl", "upb_proto_library")
 
+licenses(["notice"])  # BSD (Google-authored w/ possible external contributions)
+
 proto_library(
     name = "foo_proto",
     srcs = ["foo.proto"],

tests/BUILD

@@ -10,6 +10,8 @@ load(
     "upb_proto_reflection_library",
 )
 
+licenses(["notice"])  # BSD (Google-authored w/ possible external contributions)
+
 config_setting(
     name = "fuzz",
     values = {"define": "fuzz=true"},

tests/bindings/lua/BUILD

@@ -3,6 +3,8 @@ load(
     "lua_proto_library",
 )
 
+licenses(["notice"])  # BSD (Google-authored w/ possible external contributions)
+
 cc_test(
     name = "test_lua",
     srcs = ["main.c"],

upb/bindings/lua/BUILD

@@ -4,6 +4,8 @@ load(
     "UPB_DEFAULT_CPPOPTS",
 )
 
+licenses(["notice"])  # BSD (Google-authored w/ possible external contributions)
+
 cc_library(
     name = "lupb",
     srcs = [

upbc/BUILD

@@ -3,6 +3,8 @@ load(
     "UPB_DEFAULT_CPPOPTS",
 )
 
+licenses(["notice"])  # BSD (Google-authored w/ possible external contributions)
+
 cc_library(
     name = "upbc_generator",
     srcs = [