Move power manager to a new package.

Change-Id: I5f5a6435e64354b7d6535e8e9a63934ba7a3f448
diff --git a/services/java/com/android/server/DockObserver.java b/services/java/com/android/server/DockObserver.java
index 64789d3..72c0767 100644
--- a/services/java/com/android/server/DockObserver.java
+++ b/services/java/com/android/server/DockObserver.java
@@ -16,6 +16,8 @@
 
 package com.android.server;
 
+import com.android.server.power.PowerManagerService;
+
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.ContentResolver;