Convert TaskFragmentOrganizer callbacks to a transaction callback

Before, we have several different callbacks, such as
onTaskFragmentAppeared, onTaskFragmentInfoChanged, etc. As migrating to
Shell transition, we need a new model to better sync between app
process, WM Core and Shell.

The flow will be:
1. WM Shell startTransition with a WindowContainerTransaction
2. After apply the WCT, notify TaskFragmentOrganizerController
3. TFOrganizerController pack the TF related events into one transaction
4. TFOrganizerController call deferTransitionReady and send the
   transaction to the TFOrganizer in app process
5. TFOrganizer update TFs based on the transaction and apply a WCT
6. When TFOrganizerController get that WCT, call continueTransitionReady

Bug: 240519866
Test: pass existing
Change-Id: I110953f7b73f565a2b1299ef5c3827eaa39e84b8