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: 719febf8

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



Change-Id: Ie3e76f0967824f6068a8ee4c85a0e8a99f2e82f4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>