Start adding IPC calls to retrieve proc stat data.

Also fix a bug where we were not correctly unparcelling service
duration data.

Change-Id: Ie9113b2e3a747622441b1939ffc45edb5803a10f
diff --git a/Android.mk b/Android.mk
index 8f62777..4b1fa58 100644
--- a/Android.mk
+++ b/Android.mk
@@ -197,6 +197,7 @@
 	core/java/com/android/internal/app/IAppOpsCallback.aidl \
 	core/java/com/android/internal/app/IAppOpsService.aidl \
 	core/java/com/android/internal/app/IBatteryStats.aidl \
+	core/java/com/android/internal/app/IProcessStats.aidl \
 	core/java/com/android/internal/app/IUsageStats.aidl \
 	core/java/com/android/internal/app/IMediaContainerService.aidl \
 	core/java/com/android/internal/appwidget/IAppWidgetService.aidl \