Add mcts tags
This is cherry-pick of aosp/2882146 aosp/2880548

Change-Id: Ib4471351be0c72ca680679cc49c1b26e50c1e003
Test: N/A
Bug: 348121429
diff --git a/Cronet/tests/cts/Android.bp b/Cronet/tests/cts/Android.bp
index a0b2434..7b52694 100644
--- a/Cronet/tests/cts/Android.bp
+++ b/Cronet/tests/cts/Android.bp
@@ -62,6 +62,7 @@
     test_suites: [
         "cts",
         "general-tests",
-        "mts-tethering"
+        "mts-tethering",
+        "mcts-tethering",
     ],
 }