Rename upload_gtest_test_results.py to upload_test_results.py.

scripts/slave/recipes/swarming/staging.expected/one_fails.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_PACKAGE_REPO[build]/scripts/tools/runit.py",
       "--show-path",
       "python",
       "RECIPE_PACKAGE_REPO[build]/scripts/slave/cleanup_temp.py"
     ],
@@ skipping 496 matching lines @@
       "step returned non-zero exit code: 1",
       "@@@STEP_TEXT@<br/>failures:<br/>Test.Two<br/>@@@",
       "@@@STEP_LINK@missing shard #1@https://chromium-swarm-dev.appspot.com/user/task/10100@@@",
       "@@@STEP_EXCEPTION@@@"
     ]
   },
   {
     "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",
       "{\"missing_shards\": [1], \"per_iteration_data\": [{\"Test.One\": [{\"elapsed_time_ms\": 0, \"output_snippet\": \"\", \"status\": \"SUCCESS\"}], \"Test.Two\": [{\"elapsed_time_ms\": 0, \"output_snippet\": \"\", \"status\": \"FAILURE\"}]}]}",
       "--master-name",
       "chromium.testing.master",
       "--builder-name",
       "TestBuilder",
       "--build-number",
       "571",
       "--test-type",
       "dummy_target_1",
       "--test-results-server",
@@ skipping 29 matching lines @@
     ],
     "name": "dummy_target_2 on Ubuntu",
     "~followup_annotations": [
       "@@@STEP_LINK@shard #0 isolated out@blah@@@"
     ]
   },
   {
     "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\"}]}], \"swarming_summary\": {\"shards\": [{\"outputs_ref\": {\"view_url\": \"blah\"}}]}}",
       "--master-name",
       "chromium.testing.master",
       "--builder-name",
       "TestBuilder",
       "--build-number",
       "571",
       "--test-type",
       "dummy_target_2",
       "--test-results-server",
       "test-results-test.appspot.com",
       "--chrome-revision",
       "0"
     ],
     "name": "Upload to test-results [dummy_target_2]"
   },
   {
     "name": "$result",
     "reason": "1 out of 4 aggregated steps failed. Failures: Step('dummy_target_1 on Ubuntu') failed with return_code 1",
     "recipe_result": null,
     "status_code": 1
   }
 ]