Rename TransactionState to QueuedTransactionState

Clean up some of the logic tracking transaction state on the
client. This will help with some of the upcoming optimizations,
remove some duplicate parceling code and clean up the interface
into SF.

Flag: EXEMPT refactor
Bug: 385156191
Test: presubmit
Change-Id: I701138535000af921e8e026855cd420ff5c8aeea
22 files changed