Move CompanionDeviceManagerService to a place of its own

Fixes: 37473452
Test: Ensure companion devi9ce functionality still works
Change-Id: I89624217373b3e77296c71f9429387d99d15e236
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 42a9232..978803d 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -159,7 +159,7 @@
     private static final String PRINT_MANAGER_SERVICE_CLASS =
             "com.android.server.print.PrintManagerService";
     private static final String COMPANION_DEVICE_MANAGER_SERVICE_CLASS =
-            "com.android.server.print.CompanionDeviceManagerService";
+            "com.android.server.companion.CompanionDeviceManagerService";
     private static final String USB_SERVICE_CLASS =
             "com.android.server.usb.UsbService$Lifecycle";
     private static final String MIDI_SERVICE_CLASS =