Make text for recovery larger on angler

Change the link for 560dpi to xxxhdpi from xxhdpi.

Bug: 22465983
Change-Id: I7141ee568cf3e73cdc7e0de986d705c19ac53b1f
diff --git a/res-560dpi b/res-560dpi
index 8576a9b..1db3a2e 120000
--- a/res-560dpi
+++ b/res-560dpi
@@ -1 +1 @@
-res-xxhdpi
\ No newline at end of file
+res-xxxhdpi
\ No newline at end of file