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: I7c837594e8b86d68b5d38c67517afed46a26acd3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>