MapInfo: Add set accessors for the fields am: 5150e1292e am: ff7370a8ac

Original change: https://android-review.googlesource.com/c/platform/system/unwinding/+/1705382

Change-Id: I28762333287b663f1be2222f925bb46e23c06fcc
tree: a3b39c1f399f4984d1bffd72cdab21bda6833730
  1. libbacktrace/
  2. libunwindstack/
  3. Android.bp
  4. OWNERS
  5. PREUPLOAD.cfg