Merge "Docs: Fixed typos in attribute descriptions." into udc-dev am: 838ba329 am: da90a29a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24363296



Change-Id: I7e6b6a25133f9fd645c2fd898a559ddbb5952458
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>