Merge "docs: Adjusted language to avoid gender-specific terminology. am: ad19ed2577 am: 2739d9f03a am: 6da6baaa6b" into rvc-qpr-dev-plus-aosp am: 89bcd710e4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12347127

Change-Id: I34c621672156ee1f1cec7a469dcc26bcff98ddfa