sepolicy: f2fs: Allow fs_use_xattr

Change-Id: I458d464598777fa06751dad0aa9cfd4d903a4de1
sepolicy: treat fuseblk as sdcard_external

Allow fuse-mounted NTFS/exFAT file systems to be written to

Change-Id: I1492914dd269a305e27aba58e61064d853adf2bc