Camera2: ZSL: Do regular capture if AE is not satisfied.

- Check the AE state of the selected ZSL buffer; if it's not reporting
  as CONVERGED or LOCKED, fall back to normal capture sequence
- Add more debugging for the ZSL queue.

Bug: 6910087
Change-Id: I77a4287580aa9ddbd58438477c40ce829555d0ca
4 files changed