Move CtsWifiTestCases to group presubmit-large

The test config takes longer than 15mins to run. Move it to a dedicated
group for running slow presubmit Test Mapping test.

Bug: 174654670
Bug: 174495337
Change-Id: Ieba1abc50fb0d08b6b299a732885bdaecc1229d6
Test: none
diff --git a/framework/TEST_MAPPING b/framework/TEST_MAPPING
index 8c51510..4a8c152 100644
--- a/framework/TEST_MAPPING
+++ b/framework/TEST_MAPPING
@@ -1,5 +1,5 @@
 {
-  "presubmit": [
+  "presubmit-large": [
     {
       "name": "CtsWifiTestCases",
       "options": [