Camera: Add ZSL result dispatcher

ZSL result dispatcher supports two instances of dispatcher to treat ZSL requests and normal requests separately.
Only create ZSL result dispatcher in ZslSnapshotCaptureSession.

Bug: 189539315
Test: P21 camera checklist, IG, Snapchat
Change-Id: I4d2d7e960ab8932e3ec7494b53fc166f0c997ee6
6 files changed
tree: 7b09b2954a1ee2e5049f0624a2e66a59336f1115
  1. common/
  2. devices/
  3. .clang-format
  4. Android.bp
  5. METADATA
  6. OWNERS
  7. PREUPLOAD.cfg