Add keymint to hwasan-postsubmit

Test: Run tests under HWASan.
Bug: 193568145
Change-Id: Ica324e3eb495bc3c95ae9f892c744a3204d2d072
diff --git a/trusty/keymaster/keymint/TEST_MAPPING b/trusty/keymaster/keymint/TEST_MAPPING
index 2400ccd..ae24fb4 100644
--- a/trusty/keymaster/keymint/TEST_MAPPING
+++ b/trusty/keymaster/keymint/TEST_MAPPING
@@ -3,5 +3,10 @@
     {
       "name" : "vts_treble_vintf_framework_test"
     }
+  ],
+  "hwasan-postsubmit" : [
+    {
+      "name" : "vts_treble_vintf_framework_test"
+    }
   ]
 }
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