Some devices don't support bubbles by configuring config_supportsBubble
value. When the value is set false, it doesn't make sense to show bubble
related preferences.
This CL disables showing bubble preferences when device doesn't support
it.
Bug: 274711609
Test: Set config_supportsBubble false, and check UI.
Test: m -j80 RunSettingsRoboTests ROBOTEST_FILTER="Bubble"
Change-Id: I670ad2a9e243819ea014e5e1ddb9d62ad76d2168