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

Change-Id: I454baf13231d47c1958b52e89ed76ca932c1ea2b