Implement simpleperf record/dumprecord subcommands.

(cherry picked from commit 9759e1b1ce76185aa539aeea2fb1cbd8382156e7)

Bug: 19483574

Change-Id: Id879713a75c2d3a6289d8847b95ee0bb4a2cc8a0
diff --git a/simpleperf/workload_test.cpp b/simpleperf/workload_test.cpp
index 5f0645f..0cc67b8 100644
--- a/simpleperf/workload_test.cpp
+++ b/simpleperf/workload_test.cpp
@@ -26,7 +26,7 @@
   auto workload = Workload::CreateWorkload({"sleep", "1"});
   ASSERT_TRUE(workload != nullptr);
   ASSERT_FALSE(workload->IsFinished());
-  ASSERT_TRUE(workload->GetWorkPid() != 0);
+  ASSERT_TRUE(workload->GetPid() != 0);
   auto start_time = steady_clock::now();
   ASSERT_TRUE(workload->Start());
   ASSERT_FALSE(workload->IsFinished());