Add new shutdown observer for MountService.
Use new observer before rebooting and shutting down.
Add some unit tests for unmount and shutdown code paths
Fix registering/unregistering part in MountService
Use ShutdownThread in PowerManager.reboot()
Add reboot support to ShutdownThread.
Remove MountService code from PowerManagerService.java and Power.java.
Clean shutdown/reboot is handled exclusively by ShutdownThread now.
Change-Id: Iefb157451d3d9c426cb431707b870a873c09123d
diff --git a/Android.mk b/Android.mk
index 35ee3fd..95f38c5 100644
--- a/Android.mk
+++ b/Android.mk
@@ -120,6 +120,7 @@
core/java/android/os/IMessenger.aidl \
core/java/android/os/storage/IMountService.aidl \
core/java/android/os/storage/IMountServiceListener.aidl \
+ core/java/android/os/storage/IMountShutdownObserver.aidl \
core/java/android/os/INetworkManagementService.aidl \
core/java/android/os/INetStatService.aidl \
core/java/android/os/IPermissionController.aidl \