Merge "Add flag for retrievable bubbles" into main

    description: "Hides the bubble overflow if there aren't any overflowed bubbles"

    bug: "334175587"

}

flag {

    name: "enable_retrievable_bubbles"

    namespace: "multitasking"

    description: "Allow opening bubbles overflow UI without bubbles being visible"

    bug: "340337839"

}