30481342: Security Vulnerability - TOCTOU in MmsProvider allows access to files as phone (radio) uid - DO NOT MERGE am: 53ff7691e0 am: 20903846d5 am: 37e2a4dca9  -s ours am: 8c659fb296 am: 916c01a5f9 am: d379a7958f am: f393a8dd36  -s ours
am: 412f2f6089

Change-Id: I5eddf8b0e0738436febb5f09cdefea901700e709