WM: Move WindowManagerPolicy, DisplayFrames and WindowManagerInternal into services

Splits WindowManagerPolicy into a framework and a services part, preventing concepts that are
internal to the window manager from leaking out into the framework.

Test: make droid
Change-Id: I7b6a54f55f76f6fbb5f27090981b8f1d4d8be88b
diff --git a/services/core/java/com/android/server/wm/AccessibilityController.java b/services/core/java/com/android/server/wm/AccessibilityController.java
index 88d1e55..95b139a 100644
--- a/services/core/java/com/android/server/wm/AccessibilityController.java
+++ b/services/core/java/com/android/server/wm/AccessibilityController.java
@@ -55,14 +55,14 @@
 import android.view.ViewConfiguration;
 import android.view.WindowInfo;
 import android.view.WindowManager;
-import android.view.WindowManagerInternal.MagnificationCallbacks;
-import android.view.WindowManagerInternal.WindowsForAccessibilityCallback;
-import android.view.WindowManagerPolicy;
 import android.view.animation.DecelerateInterpolator;
 import android.view.animation.Interpolator;
 
 import com.android.internal.R;
 import com.android.internal.os.SomeArgs;
+import com.android.server.policy.WindowManagerPolicy;
+import com.android.server.wm.WindowManagerInternal.MagnificationCallbacks;
+import com.android.server.wm.WindowManagerInternal.WindowsForAccessibilityCallback;
 
 import java.util.ArrayList;
 import java.util.HashSet;