sepolicy: support fuse external exfat sdcard

also missing for renderscript filters in gallery2

Change-Id: I2217bb473e6878b26e8b0e234025f8be8f1953a4
diff --git a/sepolicy/platform_app.te b/sepolicy/platform_app.te
index 8457c6f..7c7392f 100644
--- a/sepolicy/platform_app.te
+++ b/sepolicy/platform_app.te
@@ -9,6 +9,9 @@
 # gallery2 crop avatar
 allow platform_app system_app_data_file:file { create_file_perms rw_file_perms };
 
+# gallery2 renderscript
+allow platform_app app_data_file:file { execute };
+
 #exfat/ntfs OTG
 allow platform_app fuse_device:dir { rw_dir_perms create_dir_perms };
 allow platform_app fuse_device:file { rw_file_perms create_file_perms };