CameraHal: Add more Exif data for video snapshot

Fixes b/5582076.  Requires changes to Ducati and external/jhead.

1. Add API to get and set ancillary data metadata so
   we can use the values to fill in Exif data.
2. Add support for additional tags.

Change-Id: I537e683839c59e92a4a20ff62653b6d46e303f53
Signed-off-by: Tyler Luu <tluu@ti.com>
Signed-off-by: Iliyan Malchev <malchev@google.com>
7 files changed