tree 0c76a529e0593f4278e38eafc9a8cc72cb6d8db4
parent c372a778626dffdf6d1be5f98eafa966a95be082
author Yabin Cui <yabinc@google.com> 1439520552 -0700
committer Yabin Cui <yabinc@google.com> 1442450303 -0700

Add BacktraceOffline for offline backtracing.

It is used by simpeleprf for stack unwinding.

Bug: 22229391
Change-Id: I26d698610ccdc9545da837bc5a8a9ec787f27a6b