Block delegation escalation of privilege

Forbids doing the following with either a trust
  or oauth based token:
  creating a trust
  approving a request_token
  listing request tokens

Change-Id: I1528f9dd003f5e03cbc50b78e1b32dbbf85ffcc2
Closes-Bug:  1324592
(cherry picked from commit 9162837329665b4316afc2270a602dc8ae11f6d2)