Camera: add trace for request buffer am: 46657cd770

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/google/camera/+/12295610

Change-Id: Ibcdcf4afc6407f41a986cae5c0ff59247561683e
tree: 527ff8a7c5bb9d1ba97c64512bdb0838958936e4
  1. common/
  2. devices/
  3. .clang-format
  4. Android.bp
  5. PREUPLOAD.cfg