Allow shell to write to /sdcard/Android/data and /sdcard/Android/obb.

On devices without sdcardfs, these are only writable by the owning UID,
and/or the ext_data_rw/ext_obb_rw groups respectively.

Bug: 161134565
Bug: 162810387
Test: try to write to /sdcard/Android/data/ from shell uid
Change-Id: Idb4e07f967c8e888d95afa6c4a71595e0910ba0e
1 file changed