Update language to comply with Android's inclusive language guidance am: a9997f0474 am: c94fc38a66 am: 60f05272a0

Original change: https://android-review.googlesource.com/c/platform/system/update_engine/+/1375858

Change-Id: I38a66b4792a9c1ffb06f4a73b90764ad2d469ab9