Add bc to hwasan-postsubmit am: abfa4be6db am: b4ea1f42c7 am: c0e682dd50

Original change: https://android-review.googlesource.com/c/platform/external/bc/+/2032923

Change-Id: I9a1a8b81b3147cdb1ab4f0238d29b1a132e4ebb6
diff --git a/TEST_MAPPING b/TEST_MAPPING
index c05ac95..1e38f3c 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -3,5 +3,10 @@
     {
       "name": "bc-tests"
     }
+  ],
+  "hwasan-postsubmit": [
+    {
+      "name": "bc-tests"
+    }
   ]
 }