Guard potential bad clocks from moving backward

CLOCK_MONOTONIC isn't always monotonic in a guest VM with crosvm as its
hypervisor. That may lead to AppOpsService crashes.

Bug: 320389375
Test: Presubmit tests.
Change-Id: If064c3f186e67cca3f5dc2ee96d9bde2233264c7

parent de8b5d9a

services/core/java/com/android/server/appop/AttributedOp.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -649,7 +649,7 @@ final class AttributedOp {

		accessEvents.append(makeKey(event.getUidState(), event.getFlags()),
		new AppOpsManager.NoteOpEvent(event.getStartTime(),
		now - event.getStartElapsedTime(),
		Math.max(now - event.getStartElapsedTime(), 0),
		event.getProxy()));
		}
		}