logit logstash filters: change `alb_access` log type to `aws_lb_access` #2476

Job	Run time
tests (lint)	3m 32s
tests (config_spec)	1m 28s
tests (tools_spec)	2m 11s
tests (concourse_spec)	1m 51s
tests (manifests_spec)	5m 2s
tests (terraform_spec)	2m 11s
tests (platform_tests_spec)	1m 54s
tests (compile_platform_tests)	1m 37s
	19m 46s

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