[scudo] Add the record of number of attempted page release (#120497)

This also removes the `RangesReleased` which doesn't give much insight
to whether we should adjust the heuristic of doing page release.

GitOrigin-RevId: b71c44b9be17dc6295eb733d685b38e797f3c846
Change-Id: I9c0c74f3b05ea732fba6546af5cdd5f11d8f0f5b
3 files changed