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 am: 0b4552fe46 am: 20eea1d7f5  -s ours am: 1a6f1e60f5 am: 032813be86 am: 346bf9ae7a am: 3f2a508ffe
am: c6782d0afe  -s ours

Change-Id: Ie41dc58a2b1471c5903f93bcdca64e2f61518576