Don't allow file attachment from /data through GET_CONTENT. am: 9edf71dbe4 am: 71d1064372 am: a75020d4c7  -s ours am: b3a12a7cdf am: 933e59d184 am: 3a9c3b091b
am: ec677ffff6

Change-Id: I661037bdbc971d116e386419672a97e6e9f1a165