Merge "lint: update documentation on how to update the baseline" into main am:...

Merge "lint: update documentation on how to update the baseline" into main am: bc9d6797 am: 195230e0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2815153



Change-Id: I761e25bf2dcba7c2518205b234a8f369b7443705
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>