meminfo: Add memevents library am: f3190f4ca9

Original change: https://android-review.googlesource.com/c/platform/system/memory/libmeminfo/+/2450205

Change-Id: I7203e156c4bb585ac790cc4f09f62a9c758ea03b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>