30481342: Security Vulnerability - TOCTOU in MmsProvider allows access to files as phone (radio) uid - DO NOT MERGE am: fd9be3377f am: a8ae137579 am: b028c61f44  -s ours am: 7153a8830c  -s ours
am: 6af147887d

Change-Id: I2381e0136b57168691710ebf43d333c108e72583