Fix examples

Author: guw

examples/BUILD

@@ -1,6 +1,6 @@
 package(default_visibility = ["//visibility:public"])
 
-load("@rules_jdt_java_toolchain//jdt:defs.bzl", "default_jdt_toolchain")
+load("@rules_jdt//jdt:defs.bzl", "default_jdt_toolchain")
 load(
     "@bazel_tools//tools/jdk:default_java_toolchain.bzl",
     "PREBUILT_TOOLCHAIN_CONFIGURATION",

examples/source-target-toolchains/BUILD

@@ -15,7 +15,7 @@ RELEASES = [
     default_java_toolchain(
         name = "my_verbose_jdt_source_target_example%d" % (release[0]) ,
         configuration = PREBUILT_TOOLCHAIN_CONFIGURATION,
-        javabuilder = ["@rules_jdt_java_toolchain//compiler/export:JdtJavaBuilder"],
+        javabuilder = ["@rules_jdt//compiler/export:JdtJavaBuilder"],
         source_version = "%d" % release[0],
         target_version = "%d" % release[1],
         misc = [