Create NetHttpTests target

This will hold Java classes for cronet's mts

Bug: 267353182
Test: atest NetHttpTests
Change-Id: Id2e2bbe2ce6a19c4fcabd25773d90eb0d0901437
diff --git a/TEST_MAPPING b/TEST_MAPPING
index a1e81c8..34646e2 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -102,6 +102,11 @@
     },
     {
       "name": "FrameworksNetDeflakeTest"
+    },
+    // Run in postsubmit to confirm test passes continously since this is a new test setup
+    // TODO: move tests to presubmit
+    {
+      "name": "NetHttpTests"
     }
   ],
   "mainline-presubmit": [