Promote Wifi S-on-R tests to presubmit

Bug: 179512200
Test: Presubmit
Change-Id: I603c8863100867f563adae9c97eec24e5f1eaa5e
diff --git a/tests/tests/wifi/TEST_MAPPING b/tests/tests/wifi/TEST_MAPPING
index e80f848..7ddc308 100644
--- a/tests/tests/wifi/TEST_MAPPING
+++ b/tests/tests/wifi/TEST_MAPPING
@@ -9,8 +9,7 @@
       ]
     }
   ],
-  // TODO(b/179512200): move to mainline-presubmit once passing
-  "mainline-postsubmit": [
+  "mainline-presubmit": [
     {
       "name": "CtsWifiTestCases[com.google.android.wifi.apex]",
       "options": [