Use a shared_ptr for Elf memory objects. am: 26ef69aabe am: 7c553de67b

Original change: https://android-review.googlesource.com/c/platform/system/unwinding/+/2825167

Change-Id: I985b4e75d4601d9464db6ca74008bd2db859d634
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: 45842e2fd1b434141588d664df6383532c7fc48d
  1. libunwindstack/
  2. OWNERS
  3. PREUPLOAD.cfg