App: add permissions to read symlinks from dalvik cache.

Bug: 18035729

(cherry picked from commit 6f201ddc79f5badfbe0e0a6c5d9d9c4a94f4e8a4)

Change-Id: I9865932ca87acefe0ab7feb3e6dc875f3d64276d
diff --git a/app.te b/app.te
index 2e0a9ee..5742431 100644
--- a/app.te
+++ b/app.te
@@ -142,6 +142,7 @@
 
 # For art.
 allow appdomain dalvikcache_data_file:file execute;
+allow appdomain dalvikcache_data_file:lnk_file r_file_perms;
 
 # /data/dalvik-cache/profiles
 allow appdomain dalvikcache_profiles_data_file:dir { search getattr };