Revert "Only export unwindstack:: functions." am: 64cbc6ccd1 am: 44249d6355

Original change: https://android-review.googlesource.com/c/platform/system/unwinding/+/2861747

Change-Id: I440033fa9d3961b400b73b67d6944d830d447b91
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: 4d8f7afe0de7c22c8381ebccae20fc54ab90cb21
  1. libunwindstack/
  2. OWNERS
  3. PREUPLOAD.cfg