Rename upload_gtest_test_results.py to upload_test_results.py.

scripts/slave/recipes/findit/chromium/test.expected/all_test_passed.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[build]\\scripts\\slave\\kill_processes.py"
     ],
     "name": "taskkill"
   },
   {
@@ skipping 792 matching lines @@
     },
     "name": "test r1.gl_tests (r1) on Windows-7-SP1",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
-      "RECIPE_MODULE[build::test_results]\\resources\\upload_gtest_test_results.py",
-      "--input-gtest-json",
+      "RECIPE_MODULE[build::test_results]\\resources\\upload_test_results.py",
+      "--input-json",
       "{\"per_iteration_data\": [{\"Test.One\": [{\"elapsed_time_ms\": 0, \"output_snippet\": \"\", \"status\": \"SUCCESS\"}], \"Test.Three\": [{\"elapsed_time_ms\": 0, \"output_snippet\": \"\", \"status\": \"SUCCESS\"}], \"Test.Two\": [{\"elapsed_time_ms\": 0, \"output_snippet\": \"\", \"status\": \"SUCCESS\"}]}]}",
       "--master-name",
       "tryserver.chromium.win",
       "--builder-name",
       "win_chromium_variable",
       "--build-number",
       "1",
       "--test-type",
       "test r1.gl_tests (r1) on Windows-7-SP1",
       "--test-results-server",
@@ skipping 51 matching lines @@
       "@@@STEP_LOG_END@report@@@",
       "@@@SET_BUILD_PROPERTY@report@{\"metadata\": {\"regression_range_size\": 1}, \"result\": {\"r1\": {\"gl_tests\": {\"status\": \"passed\", \"valid\": true}}}}@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]