[Cronet] Added NetHttpCoverageTests to presubmit

Removes CtsNetHttpTestCases and NetHttpTests from TEST_MAPPING
since these are part of NetHttpCoverageTests.

Test: atest NetHttpCoverageTests
Bug: 267353182
Change-Id: Idfa6db0fdce254e4552c2541b2471f1c71fe248b

TEST_MAPPING

@@ -74,9 +74,6 @@
     {
       "name": "connectivity_native_test"
     },
-    {
-      "name": "CtsNetHttpTestCases"
-    },
     {
       "name": "libclat_test"
     },
@@ -97,6 +94,10 @@
     },
     {
       "name": "FrameworksNetIntegrationTests"
+    },
+    // Runs both NetHttpTests and CtsNetHttpTestCases
+    {
+      "name": "NetHttpCoverageTests"
     }
   ],
   "postsubmit": [
@@ -113,11 +114,6 @@
     },
     {
       "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": [