Change wm commands to return size and density info.

Change-Id: Id25722fe5f0cd9470d04d657f067e5ad29927c98
diff --git a/core/java/android/view/IWindowManager.aidl b/core/java/android/view/IWindowManager.aidl
index f0c6241..a85a558 100644
--- a/core/java/android/view/IWindowManager.aidl
+++ b/core/java/android/view/IWindowManager.aidl
@@ -60,8 +60,12 @@
             in IInputContext inputContext);
     boolean inputMethodClientHasFocus(IInputMethodClient client);
 
+    void getInitialDisplaySize(int displayId, out Point size);
+    void getBaseDisplaySize(int displayId, out Point size);
     void setForcedDisplaySize(int displayId, int width, int height);
     void clearForcedDisplaySize(int displayId);
+    int getInitialDisplayDensity(int displayId);
+    int getBaseDisplayDensity(int displayId);
     void setForcedDisplayDensity(int displayId, int density);
     void clearForcedDisplayDensity(int displayId);