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 am: 2fe0b17cb1 am: fae6fcbf0f  -s ours am: f0694fe108 am: 02506d63a6 am: 138308b649 am: dd8ccb5662  -s ours am: 6e30cd12b3
am: 12a78410d6

Change-Id: I2a03d30a2a2a359b93601c52418bc14609237a14