Add tensorflow to hwasan-postsubmit am: 90701c6568 am: 8167453f91 am: a747919e9d

Original change: https://android-review.googlesource.com/c/platform/external/tensorflow/+/2032730

Change-Id: Ie6225f48274ac37943318ad3c06d72f2f8a114c3
diff --git a/tensorflow/lite/delegates/nnapi/TEST_MAPPING b/tensorflow/lite/delegates/nnapi/TEST_MAPPING
index e304f92..ca9065e 100644
--- a/tensorflow/lite/delegates/nnapi/TEST_MAPPING
+++ b/tensorflow/lite/delegates/nnapi/TEST_MAPPING
@@ -3,5 +3,10 @@
     {
       "name": "CtsTfliteNnapiDelegateTestCases"
     }
+  ],
+  "hwasan-postsubmit": [
+    {
+      "name": "CtsTfliteNnapiDelegateTestCases"
+    }
   ]
 }