Add NetworkStackModuleTest annotation on the specific test case.

EthernetTetheringTest#testTetherZeroLengthDhcpPacket requires the latest
NetworkStack module, otherwise, the test will fail due to the loss of
the fix. Apply @NetworkStackModuleTest to exclude this testcase from
target test suite CtsTetheringTestLatestSdk.

Bug: 283200648
Test: atest CtsTetheringTestLatestSdk
Change-Id: Iebfb043e2b71427a6feaf90788fe79b6ab6b678d
diff --git a/TEST_MAPPING b/TEST_MAPPING
index c1d6a89..0326bf2 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -226,7 +226,12 @@
       ]
     },
     {
-        "name": "CtsTetheringTestLatestSdk[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]"
+      "name": "CtsTetheringTestLatestSdk[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]",
+      "options": [
+        {
+          "exclude-annotation": "com.android.testutils.NetworkStackModuleTest"
+        }
+      ]
     }
   ],
   "mainline-postsubmit": [
@@ -236,8 +241,13 @@
       "keywords": ["sim"]
     },
     {
-        "name": "CtsTetheringTestLatestSdk[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]",
-        "keywords": ["sim"]
+      "name": "CtsTetheringTestLatestSdk[CaptivePortalLoginGoogle.apk+NetworkStackGoogle.apk+com.google.android.resolv.apex+com.google.android.tethering.apex]",
+      "keywords": ["sim"],
+      "options": [
+        {
+          "exclude-annotation": "com.android.testutils.NetworkStackModuleTest"
+        }
+      ]
     }
   ],
   "imports": [