[FR] Allow custom attributes on built-in traces (#6664)#8228

jrodiz wants to merge 6 commits into

firebase:mainfirebase/firebase-android-sdk:mainfrom

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