Add cpu_features to hwasan-postsubmit

Test: Run tests under HWASan.
Bug: 193568145
Change-Id: I99fbe56b2daa33cada8e7adecc65397cb1c52eca
diff --git a/TEST_MAPPING b/TEST_MAPPING
index fbfe969..7066870 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -12,5 +12,19 @@
     {
       "name": "cpu_features-cpuinfo_test"
     }
+  ],
+  "hwasan-postsubmit": [
+    {
+      "name": "cpu_features-bit_utils_test"
+    },
+    {
+      "name": "cpu_features-string_view_test"
+    },
+    {
+      "name": "cpu_features-stack_line_reader_test"
+    },
+    {
+      "name": "cpu_features-cpuinfo_test"
+    }
   ]
 }