Refactor: Snackbar Manager #459

Job	Run time
setup / setup	30s
build	8m 2s
upload-to-firebase (x86)	39s
upload-to-firebase (arm64-v8a)	35s
upload-to-firebase (x86_64)	32s
upload-to-firebase (armeabi-v7a)	39s
	10m 57s

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