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

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



Change-Id: I757c35e74e78746f9f3cb5f6f1105ea0778d1015
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>