Allow kernel to write to update_engine_data_file
This is needed to run update_engine unittests in cuttlefish. In the test,
the directory is mounted as R/W.
Denial:
avc: denied { write } for path="/data/misc/update_engine/tmp/a_img.NqUpaa" dev="dm-4" ino=3048 scontext=u:r:kernel:s0 tcontext=u:object_r:update_engine_data_file:s0 tclass=file permissive=0
strace:
mount("/dev/block/loop26", "/data/local/tmp/.org.chromium.Chromium.3s2KYE", "ext2", 0, "") = -1 EIO (I/O error)
Bug: 157594374
Test: unittests pass
Change-Id: I4658eb60240bd725bac2aef30305747ffe50aeb6
(cherry picked from commit 9f7947348f34e423141291dd276752186f419566)
2 files changed
