[FR] Allow custom attributes on built-in traces (#6664)#8167

jrodiz wants to merge 5 commits into

mainfirebase/firebase-android-sdk:mainfrom

feature/jrc--6664.3.Support.custom.attributes.in.fireperffirebase/firebase-android-sdk:feature/jrc--6664.3.Support.custom.attributes.in.fireperfCopy head branch name to clipboard