Camera: Populate ZOOM_METHOD in CaptureResult

The tag is now stripped before sending to the HAL. So on the return
path, it needs to be put back in CaptureResult.

Flag: EXEMPT bug fix
Test: atest CaptureResultTest
Bug: 379333302
Change-Id: Ic4086157db466ebac14f66f65e3a17bf76b4629f
4 files changed