Automated cherry pick of #5413: Always initialize ovs_meter_packet_dropped_count metrics #27623

Job	Run time
Check whether tests need to be run based on diff	23s
Build Antrea image to be used for Kind e2e tests	20m 59s
Build Flow Aggregator image to be used for Kind e2e tests	7m 38s
E2e tests on a Kind cluster on Linux	54m 0s
E2e tests on a Kind cluster on Linux with non default values (proxyAll=true, LoadBalancerMode=DSR...	54m 20s
E2e tests on a Kind cluster on Linux with all features enabled	1h 8m 4s
E2e tests on a Kind cluster on Linux for Flow Visibility	23m 52s
E2e tests on a Kind cluster on Linux (hybrid)	49m 29s
E2e tests on a Kind cluster on Linux (noEncap)	46m 21s
NetworkPolicy conformance tests on a Kind cluster on Linux	9m 54s
Upgrade from Antrea version N-1	13m 9s
API compatible with client version N-1	11m 40s
API compatible with client version N-2	13m 31s
Upgrade from Antrea version N-2	13m 48s
Validate metrics in Prometheus document match running deployment's	2m 36s
Delete uploaded images	3s
	6h 29m 47s

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