[iOS] 여정 드로잉에 필요한 filter를 평균값을 활용하도록 수정 #578

Job	Run time
prepare-test-matrix	20s
prepare-matrix	24s
xcode-test (MSCacheStorageTests)	3m 6s
xcode-test (MSDataTests)	2m 54s
xcode-test (MSLoggerTests)	3m 38s
xcode-test (MSNetworkingTests)	3m 14s
xcode-test (MSPersistentStorageTests)	3m 13s
xcode-test (MSUserDefaultsTests)	3m 9s
xcode-test (RepositoryTests)	3m 34s
xcode-build (Home)	1m 8s
xcode-build (JourneyList)	1m 19s
xcode-build (MSCacheStorage)	39s
xcode-build (MSConstants)	34s
xcode-build (MSData)	58s
xcode-build (MSDomain)	35s
xcode-build (MSExtension)	31s
xcode-build (MSImageFetcher)	40s
xcode-build (MSKeychainStorage)	58s
xcode-build (MSLogger)	32s
xcode-build (MSNetworking)	45s
xcode-build (MSPersistentStorage)	1m 20s
xcode-build (MSUIKit)	1m 36s
xcode-build (MSUserDefaults)	34s
xcode-build (MusicSpot-Debug)	1m 54s
xcode-build (MusicSpot-Mock)	2m 33s
xcode-build (MusicSpot-Release)	2m 3s
xcode-build (NavigateMap)	51s
xcode-build (RewindJourney)	1m 2s
xcode-build (SaveJourney)	46s
xcode-build (SelectSong)	1m 57s
xcode-build (Spot)	58s
	47m 45s

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