docs: Inclusive language fix (whitelist -> allowlist) am: 648eb4f4 am: 09162474 am: b5f7c4a9

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



Change-Id: I7b448d82c3e4d766c1e0540c110740f9afc87aa4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>