Merge "Add --logstats description for meminfo." into main am: 03c977c251

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3217540

Change-Id: Ibe0a859e2d214b894ba8830ddb1f00d6a10bef42
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>