docs: Typo fix (android.permissions -> android.permission) am: 449b1fa9ec am: 57550c8e5b am: cd2f761e00 am: 99c6f5bb25

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24811684

Change-Id: I74ba106ead9353f33e903f7d49102983f3dddd56
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>