AOSP/Email - bug fix: do not allow composing message with hidden private data attachments - Switch intent filtering to be blacklist based rather than whitelist based. am: a03ee3224e am: d2d5b27546 am: 3a9ee1e815 am: 59ab14265a am: f299b00120 am: 335b153bdd
am: 42ba94acfd

Change-Id: I0d2cd37704e8c64401791d6a5485350406b44d06