Migrating test options From TEST_MAPPING -> Android.bp

See parent cl: aosp/3028633

Test: atest -p cmds/locksettings:postsubmit
Test: atest -p services/core/java/com/android/server/locksettings:postsubmit
Test: atest -p services/devicepolicy:postsubmit
Change-Id: I6d0d0320e0bf8927f9b8b27b471ae58ace56124a
diff --git a/cmds/locksettings/TEST_MAPPING b/cmds/locksettings/TEST_MAPPING
index 7a449ef..af54a2d 100644
--- a/cmds/locksettings/TEST_MAPPING
+++ b/cmds/locksettings/TEST_MAPPING
@@ -11,5 +11,10 @@
                 }
             ]
         }
+    ],
+    "postsubmit": [
+        {
+            "name": "CtsDevicePolicyManagerTestCases_LockSettings_NoFlakes"
+        }
     ]
 }