Remove the libbacktrace references. am: d3c0e04407 am: cc362382dc am: 62ef10944d

Original change: https://android-review.googlesource.com/c/platform/system/libprocinfo/+/1806648

Change-Id: I9bc283c4bf4a23f1cfb9209782875ca886a28aa2
diff --git a/Android.bp b/Android.bp
index 2dd701d..a693452 100644
--- a/Android.bp
+++ b/Android.bp
@@ -117,7 +117,6 @@
         "process_map_benchmark.cpp",
     ],
     shared_libs: [
-        "libbacktrace",
         "libbase",
         "libprocinfo",
         "libunwindstack",
diff --git a/process_map_benchmark.cpp b/process_map_benchmark.cpp
index 5a26302..3602504 100644
--- a/process_map_benchmark.cpp
+++ b/process_map_benchmark.cpp
@@ -23,7 +23,6 @@
 
 #include <android-base/file.h>
 #include <android-base/logging.h>
-#include <backtrace/BacktraceMap.h>
 #include <unwindstack/Maps.h>
 
 #include <benchmark/benchmark.h>
@@ -61,14 +60,4 @@
 }
 BENCHMARK(BM_unwindstack_BufferMaps);
 
-static void BM_backtrace_BacktraceMap(benchmark::State& state) {
-  pid_t pid = getpid();
-  for (auto _ : state) {
-    BacktraceMap* map = BacktraceMap::Create(pid, true);
-    CHECK(map != nullptr);
-    delete map;
-  }
-}
-BENCHMARK(BM_backtrace_BacktraceMap);
-
 BENCHMARK_MAIN();