sensorservice can now be ran standalone

Change-Id: I6e757f31f1e020046038e5ab84e71b8689a0aed3

cmds/sensorservice/Android.mk

@@ -0,0 +1,19 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+	main_sensorservice.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libsensorservice \
+	libbinder \
+	libutils
+
+LOCAL_C_INCLUDES := \
+	$(LOCAL_PATH)/../../services/sensorservice
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_MODULE:= sensorservice
+
+include $(BUILD_EXECUTABLE)

cmds/sensorservice/main_sensorservice.cpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#include <binder/BinderService.h>
+#include <SensorService.h>
+
+using namespace android;
+
+int main(int argc, char** argv) {
+    SensorService::publishAndJoinThreadPool();
+    return 0;
+}

cmds/system_server/library/system_init.cpp

@@ -70,8 +70,11 @@ extern "C" status_t system_init()
         SurfaceFlinger::instantiate();
     }
 
-    // Start the sensor service
-    SensorService::instantiate();
+    property_get("system_init.startsensorservice", propBuf, "1");
+    if (strcmp(propBuf, "1") == 0) {
+        // Start the sensor service
+        SensorService::instantiate();
+    }
 
     // On the simulator, audioflinger et al don't get started the
     // same way as on the device, and we need to start them here