skip permission check for TelephonyManager API getMmsUserAgent

Bug: 133637995
Test: Manual test
Change-Id: I4d41e96de6662e9d16825554192114d74afb8551
(cherry picked from commit d5ca2d5418cd4e4cdbc268f8b8579e80cd89efce)
Merged-in: I4d41e96de6662e9d16825554192114d74afb8551
1 file changed