Merge "Don't hide error by INVALID_MAP in speculative frame." am: d5c19e7992

Original change: https://android-review.googlesource.com/c/platform/system/unwinding/+/1956599

Change-Id: Ib3de5c3ff03c1ef2ea3d7f5470659e8425ed2933
tree: aef2354179b6faf267f7522024bc1fce518567ac
  1. libbacktrace/
  2. libunwindstack/
  3. OWNERS
  4. PREUPLOAD.cfg