docs: Inclusive language fix (whitelist -> allowlist) am: 648eb4f4 am: 09162474

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19792204



Change-Id: Ib2165c93d04a8c09852e6d2a0fa5c906daba06b5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>