Convert to Android.bp build file

Support is equivalent to Android.mk file built with
TARGET_BUILD_VARIANT of 'user'.
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..a2dc388
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,43 @@
+//
+// ANT Stack
+//
+// Copyright 2019 Garmin Canada
+//
+// 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: "AntHalService",
+
+    //
+    // ANT java system service
+    //
+
+    srcs: [
+        "src/**/*.java",
+        "src/com/dsi/ant/server/IAntHal.aidl",
+        "src/com/dsi/ant/server/IAntHalCallback.aidl",
+    ],
+
+    static_libs: ["com.dsi.ant-V1.0-java"],
+
+    optimize: {
+        // Remove all verbose and debug logging when building release
+	proguard_flags_files: ["proguard.flags", "proguard.nolog.flags"], 
+    },
+
+    certificate: "platform",
+
+    platform_apis: true,
+
+}