docs: Fixed summary fragment and removed typo am: 8167356f3d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20835757

Change-Id: I2999c56859b27039e31448f7f2607c030f041b57
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>