Grant 'w' rights to for-system subdirectory for root.

This is basically a no-op since the apex/fs is r/o anyway,
but it appears like it might help the emulator build...

Test: N/A
Bug: 217565060
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I5e9c9fb41687aa5a4b15ff2bf21eafecada726a8
1 file changed