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 am: fe2d54533c am: 94b793ebb0 am: 939c177324
am: dbe2eca2f8  -s ours

Change-Id: Ie5e7cd2137775eb80ba45240df34c1a419df595e