Add an Android.bp file in guest/hals

Bug: 112001976
Test: m
Change-Id: I1ab76927bc90f3d6ccf9ff28fa43315889c20d1d
diff --git a/guest/Android.bp b/guest/Android.bp
index 331d526..6477029 100644
--- a/guest/Android.bp
+++ b/guest/Android.bp
@@ -15,9 +15,7 @@
 
 subdirs = [
     "commands",
-    "hals/health",
-    "hals/hwcomposer",
-    "hals/power",
+    "hals",
     "monitoring/dumpstate_ext",
     "vsoc/lib"
 ]
diff --git a/guest/hals/Android.bp b/guest/hals/Android.bp
new file mode 100644
index 0000000..af36c8d
--- /dev/null
+++ b/guest/hals/Android.bp
@@ -0,0 +1,20 @@
+//
+// Copyright (C) 2017 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.
+
+subdirs = [
+    "health",
+    "hwcomposer",
+    "power",
+]