Add GWP-ASan CTS to bionic TEST_MAPPING

Bug: N/A
Change-Id: Ia9aac40965ba77823cd3824b0508d4e48c07f43f
Test: presubmit should pick up the new test in TEST_MAPPING.
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 8b01c4e..65fc12b 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -13,6 +13,9 @@
       "name": "CtsBionicTestCases"
     },
     {
+      "name": "CtsGwpAsanTestCases"
+    },
+    {
       "name": "CtsTaggingHostTestCases"
     },
     {