* commit 'd81e103a12d2bf1e7f7b6098a7fce2d2feefcba6': cherrypick from mnc-preview-docs docs: Preview 3 permissions docs. Original Change-Id: I4eaf45d98846e2bf9456f5896da4ec3079f4ba18
* commit 'd81e103a12d2bf1e7f7b6098a7fce2d2feefcba6': cherrypick from mnc-preview-docs docs: Preview 3 permissions docs. Original Change-Id: I4eaf45d98846e2bf9456f5896da4ec3079f4ba18