sepolicy: fix renderscript usage for Gallery2

Change-Id: I50e56201cab88397775e56c9995024a9c4f94db4
diff --git a/sepolicy/platform_app.te b/sepolicy/platform_app.te
index db8647d..18ca1e3 100644
--- a/sepolicy/platform_app.te
+++ b/sepolicy/platform_app.te
@@ -2,3 +2,6 @@
 # This is a performance optimization that allows platform apps to bypass the FUSE layer
 allow platform_app sdcard_posix:dir create_dir_perms;
 allow platform_app sdcard_posix:file create_file_perms;
+
+# e.g. renderscript in Gallery2 wants execute perms
+allow platform_app app_data_file:file execute;