docs: Inclusive language fix (whitelist -> allowlist) am: 648eb4f4 am: 4e7679a0

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



Change-Id: I99601b89418c1217dfbda67bf3e28252326430a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>