Allow system to create sdcard symlink

[    7.646044] audit: type=1400 audit(90335.236:4): avc:  denied  { create } for  pid=1 comm="init" name="sdcard" scontext=u:r:init:s0 tcontext=u:object_r:tmpfs:s0 tclass=lnk_file permissive=0
[    7.646062] init: Command 'symlink /storage/self/primary /mnt/sdcard' action=init (/init.rc:127) took 0ms and failed: symlink() failed: Permission denied

Bug: 144399145
Test: Flash selinux modules, reboot, and find the symlink established
Change-Id: Ia408c9bfaeff777a6ce908e5bad40d8c5021fcdf
1 file changed
tree: 008435297e9299cbecb8df860d640584e4fd2c4b
  1. private/
  2. public/
  3. vendor/
  4. OWNERS
  5. sunfish-sepolicy.mk