Add xxhdpi; fix ActivityManager.getLauncherLargeIconSize() etc.

Change-Id: I519d6cdc527a402d93b98df17a64fc1da52ad598
diff --git a/include/utils/ResourceTypes.h b/include/utils/ResourceTypes.h
index 70bb6b9..c496da6 100644
--- a/include/utils/ResourceTypes.h
+++ b/include/utils/ResourceTypes.h
@@ -853,6 +853,8 @@
         DENSITY_MEDIUM = ACONFIGURATION_DENSITY_MEDIUM,
         DENSITY_TV = ACONFIGURATION_DENSITY_TV,
         DENSITY_HIGH = ACONFIGURATION_DENSITY_HIGH,
+        DENSITY_XHIGH = ACONFIGURATION_DENSITY_XHIGH,
+        DENSITY_XXHIGH = ACONFIGURATION_DENSITY_XXHIGH,
         DENSITY_NONE = ACONFIGURATION_DENSITY_NONE
     };