[SB][Chips] Small logging improvements for the call chip.

Bug: 364653005
Flag: com.android.systemui.status_bar_chips_modernization
Test: Dump `StatusBarChips` log buffer -> verify output (verify with
status_bar_chips_return_animation both off and on)
Test: atest CallChipViewModelTest

Change-Id: I4ad9c4fff999aad474e74e04da553631a01630e3

Change-Id: If761774251d0b4970800b31f2cf20ee24e76e259