Camera: Documentation updates for calibration and distortion correction

- Add more notes on coordinate axes
- Add more text on metadata when distortion correction is active
- Note that poseTranslation needs to be negated in many use cases
- Fix coordinate system references for OIS reporting, add more information
- Note that pixel centers at half-integers for the camera API metadata
  such as lens intrinsics

Bug: 79371566
Bug: 74434422
Bug: 109742048
Bug: 109834325
Bug: 109817371
Bug: 112107924
Test: Manual reading of added text
Change-Id: I450e80b79ef66ce8d82a4dee835db6abd1e598a3