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
am: 2c60f729f2

Change-Id: I18137424c97445ba88487258336ffbf1545572a1