ANDROID: kvm: arm64: start hypervisor event IDs from 1

IDs of tracing events are expected to be positive integers, hence this
patch. This is a quick fix to make sure that hypervisor tracing works,
while the proper solution that avoids ID collision is being worked on.

Bug: 428904926
Test: presubmit
Change-Id: I95459cbf32466351b6a539ea2111e8d091291c2b
Signed-off-by: Nikita Ioffe <ioffe@google.com>