Add AUTHORS file.

Resolves https://github.com/bazelbuild/java_tools/issues/31
diff --git a/AUTHORS b/AUTHORS
new file mode 100644
index 0000000..8f95963
--- /dev/null
+++ b/AUTHORS
@@ -0,0 +1,9 @@
+# This the official list of Bazel authors for copyright purposes.
+# This file is distinct from the CONTRIBUTORS files.
+# See the latter for an explanation.
+
+# Names should be added to this file as:
+# Name or Organization <email address>
+# The email address is not required for organizations.
+
+Google Inc.