AI 147845: Compatibility mode support. Part 1
  Adding supports-density tag to manifest file/ApplicationInfo.
  BUG=1752478

Automated import of CL 147845
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index b87cc42..34e65ad 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -953,7 +953,20 @@
             sb.append('}');
             return sb.toString();
         }
-    
+
+        void scaleUp(float scale) {
+            if (scale != 1.0f) {
+                x *= scale;
+                y *= scale;
+                if (width > 0) {
+                    width *= scale;
+                }
+                if (height > 0) {
+                    height *= scale;
+                }
+            }
+        }
+
         private CharSequence mTitle = "";
     }
 }