Add cooling device into thermal service

This is for statsd to log new metrics, as statsd has moved to use
thermal service in framework instead of connecting to HAL directly.

Bug: 119688911
Test: Build and dumpsys thermalservice
Test: atest $ANDROID_BUILD_TOP/frameworks/base/services/tests/servicestests/src/com/android/server/power/ThermalManagerServiceTest.java
Change-Id: Ib334c448c3615bf9d1cb0f1b6c2dd8a83d44f371
diff --git a/core/java/android/os/CoolingDevice.aidl b/core/java/android/os/CoolingDevice.aidl
new file mode 100644
index 0000000..478e4bd
--- /dev/null
+++ b/core/java/android/os/CoolingDevice.aidl
@@ -0,0 +1,19 @@
+/*
+** Copyright 2019, 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.
+*/
+
+package android.os;
+
+parcelable CoolingDevice;