Synchronize window config updates (5/n)

ActivityToken is included in individual transaction item. Cleanup the
activityToken in ClientTransaction.

Bug: 260873529
Test: atest FrameworksCoreTests:ObjectPoolTests
Test: atest FrameworksCoreTests:TransactionExecutorTests
Change-Id: Ib6e953728b9886eee3d1223befd46b58a3cedbf5
40 files changed