Update equals logic for LogEntry

The equals logic was depending on exact equality and that was flaky
because of float precision. Changed the logic so it'd accept points that
are closer than 1px as the same.

Bug: 294251061
Test: atest android.server.wm.DragDropCompatTest#testOverNowhere
Change-Id: Ibac168c3ddf39aa6c05eda2a879c30c0622abfdf