Rename ConfigMetadataClient to ConfigSharedPrefsClient#6440

tusharkhandelwal8 merged 2 commits intotushar-khandelwal/rc-custom-targetingfirebase/firebase-android-sdk:tushar-khandelwal/rc-custom-targetingfrom

tushar-khandelwal/rename-configmetadataclientfirebase/firebase-android-sdk:tushar-khandelwal/rename-configmetadataclientCopy head branch name to clipboard