Fix bug 5159736 - Make DeviceDefault the default

Have the framework refer to the DeviceDefault themes for ICS apps that
don't explicitly request another theme.

Change-Id: I27dd0bbaa60f71df4f36e47d260f556d923ba075
diff --git a/core/java/android/app/ContextImpl.java b/core/java/android/app/ContextImpl.java
index b4bdb2f..2139704 100644
--- a/core/java/android/app/ContextImpl.java
+++ b/core/java/android/app/ContextImpl.java
@@ -364,7 +364,8 @@
                                 Resources.selectSystemTheme(0,
                                         outerContext.getApplicationInfo().targetSdkVersion,
                                         com.android.internal.R.style.Theme_Dialog,
-                                        com.android.internal.R.style.Theme_Holo_Dialog)),
+                                        com.android.internal.R.style.Theme_Holo_Dialog,
+                                        com.android.internal.R.style.Theme_DeviceDefault_Dialog)),
                         ctx.mMainThread.getHandler());
                 }});