simpleperf_cts_test: use libbacktrace_offline static library.

Device may not be built with libbacktrace_offline shared library,
so use libbacktrace_offline static library instead.

Bug: 28152982
Change-Id: I46fdb53e711dd60902dca7c9d46030c16eeb222a
(cherry picked from commit a6c24e4f5274c20743b4b52a5a7ae0cdfef81abd)
1 file changed