Garfield Tan ce1d0e9459 Add flags for quick viewer to indicate capabilities of a document.
Replace the QUICK_VIEW_ADVANCED extra.

Also restrict quick viewers not to send file content out of the device.

Test: It builds.
Bug: 36484539
Bug: 36755024
Change-Id: I921230eac6e497a615624202c741ef03432b2690
2017-03-30 17:50:53 -07:00
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