docs: Typo fix (andorid -> android) am: 939d9a4c am: 2808995d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24670029



Change-Id: I6d08ad9b620fb0c2185e1c2c8d6ed4b11deb1a6a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>