Merge "Developer-facing document for quick affordances" into tm-qpr-dev am:...

Merge "Developer-facing document for quick affordances" into tm-qpr-dev am: 34c2839d am: 56188023

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19498708



Change-Id: I94d8dc3c5364d4fb86aa9140ced71b0b4d238402
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>