Prevent information disclosure in rw_i93.cc

Bug: 143109193
Bug: 143155861
Bug: 143106535
Test: R/W i93 tags
Change-Id: I1d33d80760be986af9905304c17ce05cc0f9ce63
Exempt-From-Owner-Approval: get +2 from new owner
(cherry picked from commit 712dcda25084434ffd3e1e0df6c0f7e65441b7f1)
1 file changed