[RESTRICT AUTOMERGE] docs: Removing obsolee TODO am: b86df213a3 am: 9441161e17 am: 97b367c2d7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12663552

Change-Id: I479343e19cba63a8b68097d5c37321bf02ab32c6