Update Editor Activity to handle Content URI

This fixes a instance where the editor is an option
for a file uri, but then is no longer an option once the
uri is moved into an applications data storage.

Change-Id: Ie7a55137bdce2fa78ba7ae71b48ef2ba8e68d5ff
(cherry picked from commit 835447a2)
(cherry picked from commit 4f966182)
(cherry picked from commit cc9d4139)