Merge "libbacktrace_offline: support unwinding of shared libraries in apk file."
am: d8c88fc

* commit 'd8c88fc5e339105cca3d207826675fdf95bfadc9':
  libbacktrace_offline: support unwinding of shared libraries in apk file.

Change-Id: I7228b3a902ebd1128fbae4cd754eb7f8945eedbd