Build sepolicy tools with Android.bp.

Bug: 33691272
Test: make clean && mmma system/sepolicy
Change-Id: I6bbd6271c375338e7d24cd6089c6f826080c98b6
diff --git a/tools/Android.bp b/tools/Android.bp
new file mode 100644
index 0000000..8184302
--- /dev/null
+++ b/tools/Android.bp
@@ -0,0 +1,60 @@
+/*
+ * 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.
+ */
+
+cc_defaults {
+    name: "sepolicy_tools_defaults",
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+    static_libs: ["libsepol"],
+    stl: "none",
+    tags: ["optional"],
+}
+
+cc_binary_host {
+    name: "checkseapp",
+    defaults: ["sepolicy_tools_defaults"],
+    srcs: ["check_seapp.c"],
+    whole_static_libs: ["libpcre2"],
+    cflags: ["-DLINK_SEPOL_STATIC"],
+}
+
+cc_binary_host {
+    name: "checkfc",
+    defaults: ["sepolicy_tools_defaults"],
+    srcs: ["checkfc.c"],
+    static_libs: ["libselinux"],
+}
+
+cc_binary_host {
+    name: "sepolicy-check",
+    defaults: ["sepolicy_tools_defaults"],
+    srcs: ["sepolicy-check.c"],
+}
+
+cc_binary_host {
+    name: "version_policy",
+    defaults: ["sepolicy_tools_defaults"],
+    srcs: ["version_policy.c"],
+}
+
+cc_prebuilt_binary {
+    name: "insertkeys.py",
+    srcs: ["insertkeys.py"],
+    tags: ["optional"],
+    host_supported: true,
+}