tools: Move to Soong.

Test: `mmma -j bootable/recovery/`
Test: Build and run RecoveryLocalizer on device.
Change-Id: I3359223c82bd670c94ad51296cb8b357b04f5349
diff --git a/tools/recovery_l10n/Android.bp b/tools/recovery_l10n/Android.bp
new file mode 100644
index 0000000..d0a6d4b
--- /dev/null
+++ b/tools/recovery_l10n/Android.bp
@@ -0,0 +1,23 @@
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+android_app {
+    name: "RecoveryLocalizer",
+
+    sdk_version: "current",
+
+    srcs: [
+        "src/**/*.java",
+    ],
+}