Remove unused layout file and specify removed lottie listener

Remove layout file from deleted screenshot test, and change
removeAllLottieOnCompositionLoadedListeners call to remove
specific listener in order to prevent removing IdlingResource
compositionLoaded listeners used in screenshot tests

Flag: NONE
Bug: 287311775
Test: N/A
Change-Id: Ie2fc5b304f79cc11925fe61f0363170327a6ef6f