docs: Inclusive language fix (whitelist -> allowlist) am: 648eb4f4aa am: 4e65fbd71a

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

Change-Id: I96bf73b1fe970b31e1fc03eefddf2602912bae41
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>