Merge "Looper: Use sequence numbers in epoll_event to track requests" am: 663c692a2d am: 7dc38fe273 am: cf90434fe6 am: 6bf0ea23fd am: 32df321051

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1795650

Change-Id: I1c830749b6c6999363c29c11f9cdb34749446b8d