Allow only public-readable to ro.secure and ro.adb.secure

Bug: 74866333
Test: succeeded building and tested with taimen
Change-Id: Id19fec168ab266e386ea4c710a4c5cedfc4df33c
Merged-In: Id19fec168ab266e386ea4c710a4c5cedfc4df33c
(cherry picked from commit 62acbce4a2b7b95a58cbd3d7dddf94870405192b)
5 files changed