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

Change-Id: I150d7f2ec8085673fd36d64deae1fa1e2ac18839