libunwindstack: add simpleperf presumit test.

Bug: none
Test: run `atest --test-mapping system/core/libunwindstack`.
Change-Id: I62521f63ca748bb1980282ed6399328573d4de41
diff --git a/libunwindstack/TEST_MAPPING b/libunwindstack/TEST_MAPPING
index 55771c0..909f897 100644
--- a/libunwindstack/TEST_MAPPING
+++ b/libunwindstack/TEST_MAPPING
@@ -2,6 +2,9 @@
   "presubmit": [
     {
       "name": "libunwindstack_unit_test"
+    },
+    {
+      "name": "CtsSimpleperfTestCases"
     }
   ]
 }