30481342: Security Vulnerability - TOCTOU in MmsProvider allows access to files as phone (radio) uid - DO NOT MERGE am: 8ce0cad150  -s ours am: c4cded1767 am: ba689bea2f am: e3615f85c6  -s ours am: e7918d5944
am: 7f07953f8f

Change-Id: I375321ae463028e6153414c8e9b724cb05566503