Send cancelation on Lifetime Extension action

Sends a cancellation message when a lifetime extended action has an
action pressed on it. The cancellation is delayed by 200 ms to give the
app a chance to update in response.

Test: atest NotificationManagersServiceTest
Bug: 329961485
Flag: ACONFIG android.app.lifetime_extension_refactor STAGING
Change-Id: Ifed6727645b3bc5244b085ecc03220d9f32d94c2