Add DEPS and libs to build on android
diff --git a/third_party/ashmem/BUILD.gn b/third_party/ashmem/BUILD.gn
new file mode 100644
index 0000000..a3f7e6a
--- /dev/null
+++ b/third_party/ashmem/BUILD.gn
@@ -0,0 +1,12 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+assert(is_android)
+
+source_set("ashmem") {
+  sources = [
+    "ashmem.h",
+    "ashmem-dev.c",
+  ]
+}