Ensure appliedTo and priority is required for ACNP

[abhiraut]

Update yaml to ensure appliedTo and Priority is required for ACNP as is the case with ANP. Add an e2e test to validate this
scenario.

[antrea-bot]

Thanks for your PR.
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[codecov-io]

Codecov Report

Merging #1359 into master will decrease coverage by 0.27%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1359      +/-   ##
==========================================
- Coverage   64.62%   64.35%   -0.28%     
==========================================
  Files         159      159              
  Lines       12674    12674              
==========================================
- Hits         8191     8156      -35     
- Misses       3630     3661      +31     
- Partials      853      857       +4     

Flag	Coverage Δ
#integration-tests	44.82% <ø> (-0.41%)	⬇️
#kind-e2e-tests	50.60% <ø> (+0.15%)	⬆️
#unit-tests	42.05% <ø> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/agent/cniserver/server.go	68.25% <0.00%> (-10.24%)	⬇️
pkg/controller/networkpolicy/tier.go	90.00% <0.00%> (-10.00%)	⬇️
pkg/monitor/controller.go	51.47% <0.00%> (-5.89%)	⬇️
pkg/apiserver/storage/ram/watch.go	90.38% <0.00%> (-3.85%)	⬇️
...kg/controller/networkpolicy/store/networkpolicy.go	77.96% <0.00%> (-3.39%)	⬇️
pkg/apiserver/storage/ram/store.go	78.94% <0.00%> (-1.51%)	⬇️
pkg/agent/cniserver/pod_configuration.go	57.25% <0.00%> (-0.81%)	⬇️
...ntroller/networkpolicy/networkpolicy_controller.go	80.69% <0.00%> (ø)
...ntroller/networkpolicy/networkpolicy_controller.go	68.14% <0.00%> (+2.22%)	⬆️
pkg/apis/controlplane/v1beta1/sets.go	44.11% <0.00%> (+4.41%)	⬆️

[abhiraut]

/test-all

[abhiraut]

/test-all

[antoninbas]

LGTM