Add logging for Onboarding

Bug: 73784423

* Discovery bounce, homescreen, hotseat
UserEvent: action:TIP
UserEvent:  Source child:HOTSEAT id=0 BOUNCE

* Discovery bounce, overview, prediction
UserEvent: action:TIP
UserEvent:  Source child:PREDICTION BOUNCE

* Swipe up from navbar text (visibility, cancel target)
UserEvent: action:TIP
UserEvent:  Source child:TIP SWIPE_UP_TEXT

UserEvent: action:TAP
UserEvent:  Source child:CANCEL_TARGET SWIPE_UP_TEXT

* Quickscrub text (visibility, cancel target)
UserEvent: action:TIP
UserEvent:  Source child:TIP QUICK_SCRUB_TEXT

UserEvent: action:TAP
UserEvent:  Source child:CANCEL_TARGET QUICK_SCRUB_TEXT

* Prediction apps text (visibility, cancel target)
UserEvent: action:TAP
UserEvent:  Source child:TIP PREDICTION_TEXT

UserEvent: action:TAP
UserEvent:  Source child:CANCEL_TARGET PREDICTION_TEXT

Change-Id: I94710b5ed3d00e3599985b154eb660af4a958288