Revert "Use @io_bazel to reference Bazel sources from local repositor…

…ies."

This reverts commit c7f2444.

third_party/googleapis/BUILD

@@ -4,8 +4,8 @@ licenses(["notice"])
 
 exports_files(["LICENSE"])
 
-load("@io_bazel//third_party/grpc:build_defs.bzl", "java_grpc_library")
-load("@io_bazel//tools/build_rules:utilities.bzl", "java_library_srcs")
+load("@//third_party/grpc:build_defs.bzl", "java_grpc_library")
+load("@//tools/build_rules:utilities.bzl", "java_library_srcs")
 
 filegroup(
     name = "srcs",
@@ -44,7 +44,7 @@ filegroup(
       ":google_devtools_remoteexecution_v1test_remote_execution_java_grpc_srcs",
       ":google_watch_v1_java_grpc_srcs",
     ],
-    visibility = ["@io_bazel//src:__pkg__"],
+    visibility = ["@//src:__pkg__"],
 )
 
 java_proto_library(

third_party/grpc/build_defs.bzl

@@ -52,7 +52,7 @@ _java_grpc_gensource = rule(
             single_file = True,
         ),
         "_java_plugin": attr.label(
-            default = Label("@io_bazel//third_party/grpc:grpc-java-plugin"),
+            default = Label("@//third_party/grpc:grpc-java-plugin"),
             executable = True,
             cfg = "host",
         ),
@@ -96,9 +96,9 @@ def java_grpc_library(name, srcs, deps, enable_deprecated=None, visibility=None,
       srcs = [gensource_name],
       visibility = visibility,
       deps = [
-          "@io_bazel//third_party:jsr305",
-          "@io_bazel//third_party/grpc:grpc-jar",
-          "@io_bazel//third_party:guava",
+          "@//third_party:jsr305",
+          "@//third_party/grpc:grpc-jar",
+          "@//third_party:guava",
           "@com_google_protobuf//:protobuf_java",
       ] + deps,
       **kwargs

third_party/protobuf/3.4.0/BUILD

@@ -30,7 +30,7 @@ java_import(
     jars = ["libprotobuf_java_util.jar"],
     visibility = ["//visibility:public"],
     exports = [
-        "@io_bazel//third_party:gson",
+        "@//third_party:gson",
     ],
 )