Add a dependency on javax-annotations to java_grpc_library

to work around grpc/grpc-java#3633.

Change-Id: I7623a3d2a26f91cd37cad3c3446c37ce6fbd0706

Closes #5017.

third_party/grpc/build_defs.bzl

@@ -2,6 +2,7 @@
 You need to load the rules in your BUILD file for use, like:
 load("//third_party/grpc:build_defs.bzl", "java_grpc_library")
 """
+
 def _path_ignoring_repository(f):
   if (len(f.owner.workspace_root) == 0):
     return f.short_path
@@ -96,6 +97,7 @@ def java_grpc_library(name, srcs, deps, enable_deprecated=None, visibility=None,
       srcs = [gensource_name],
       visibility = visibility,
       deps = [
+          "@io_bazel//third_party:javax_annotations",
           "@io_bazel//third_party:jsr305",
           "@io_bazel//third_party/grpc:grpc-jar",
           "@io_bazel//third_party:guava",