Merge "lint: update documentation on how to update the baseline" into main am: bc9d6797ec am: 195230e096 am: 55b93b2bf9

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

Change-Id: I7ed48f73d14c10f780a3430d1931ec398a5619b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>