camera_metadata: Mark enum snprint with non-hidden visibility

Since by default our build system assumes everything has hidden visibility,
the symbols for the enum snprint function were not being exported.

Change-Id: I6c0b36067052aceca9ccd56a1b073fd96b35f6ef
3 files changed
tree: ee06b9ecca8859b2ce74e0cb8902ab95cf8b1b66
  1. audio_effects/
  2. audio_route/
  3. audio_utils/
  4. camera/
  5. CleanSpec.mk