Resetting some settings on starting a new demo session

Muting ringer and media volume and turning off the flashlight
before starting a new session. Also, resetting the configuration of any
new demo user to the configuration of user 0 on the device. Moved
RetailDemoModeService and RetailDemoModeServiceInternal to more
appropriate new packages

Bug: 29519612
Change-Id: Ib65f89ce61afab2d2f1b2dd0c761f5d35a466181
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 8f8ba1d..76424d8 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -57,7 +57,6 @@
 import com.android.internal.widget.ILockSettings;
 import com.android.server.accessibility.AccessibilityManagerService;
 import com.android.server.am.ActivityManagerService;
-import com.android.server.am.RetailDemoModeService;
 import com.android.server.audio.AudioService;
 import com.android.server.camera.CameraService;
 import com.android.server.clipboard.ClipboardService;
@@ -88,6 +87,7 @@
 import com.android.server.power.PowerManagerService;
 import com.android.server.power.ShutdownThread;
 import com.android.server.restrictions.RestrictionsManagerService;
+import com.android.server.retaildemo.RetailDemoModeService;
 import com.android.server.soundtrigger.SoundTriggerService;
 import com.android.server.statusbar.StatusBarManagerService;
 import com.android.server.storage.DeviceStorageMonitorService;