Schematize Car system properties

Properties accessed across partitions are now schematized and will
become APIs to make explicit interfaces among partitions.

Bug: 117924132
Test: mma -j
Change-Id: Ie3a794ac071ff4a2612ebc89ba75926e3661a00a
Merged-In: Ie3a794ac071ff4a2612ebc89ba75926e3661a00a
diff --git a/srcs/android/sysprop/CarProperties.sysprop b/srcs/android/sysprop/CarProperties.sysprop
new file mode 100644
index 0000000..37e3153
--- /dev/null
+++ b/srcs/android/sysprop/CarProperties.sysprop
@@ -0,0 +1,32 @@
+# 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.
+
+owner: Platform
+module: "android.sysprop.CarProperties"
+
+prop {
+    api_name: "hvac_demo"
+    type: Boolean
+    scope: Internal
+    access: Readonly
+    prop_name: "android.car.hvac.demo"
+}
+
+prop {
+    api_name: "headless_system_user"
+    type: Boolean
+    scope: Internal
+    access: ReadWrite
+    prop_name: "android.car.systemuser.headless"
+}