Adding Bazel support for YANG models.

Change-Id: Icdb620bdb99ae9eeb042a84a8ca7563588c813c1
diff --git a/tools/build/bazel/BUILD b/tools/build/bazel/BUILD
index 09dd187..62534a0 100644
--- a/tools/build/bazel/BUILD
+++ b/tools/build/bazel/BUILD
@@ -18,3 +18,10 @@
     main = "onos_app_bundler.py",
     visibility = ["//visibility:public"],
 )
+
+java_binary(
+    name = "onos_yang_compiler",
+    main_class = "org.onosproject.yang.compiler.main.YangCompilerMain",
+    visibility = ["//visibility:public"],
+    runtime_deps = ["@onos_yang_compiler_main//jar"],
+)
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