Merge "dumpstate: notes on usage" into main am: cbd1764034

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3446594

Change-Id: I84be324af663196406a217a87cef2e0353fe3f34
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>