Rename upload_gtest_test_results.py to upload_test_results.py.

scripts/slave/recipes/chromium.expected/dynamic_instrumentation_test_with_timeout_scale.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--spec",
       "cache_dir = '[GIT_CACHE]'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'src', 'url': 'https://chromium.googlesource.com/chromium/src.git'}]\ntarget_os = ['android']",
       "--patch_root",
       "src",
@@ skipping 539 matching lines @@
     "~followup_annotations": [
       "step returned non-zero exit code: 1",
       "@@@STEP_TEXT@<br/>failures:<br/>Test.Two<br/>@@@",
       "@@@STEP_FAILURE@@@"
     ]
   },
   {
     "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\": \"FAILURE\"}]}]}",
       "--master-name",
       "chromium.android",
       "--builder-name",
       "Lollipop Low-end Tester",
       "--build-number",
       "571",
       "--test-type",
       "ChromePublicTest",
       "--test-results-server",
@@ skipping 129 matching lines @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "reason": "1 tests failed: ['ChromePublicTest']",
     "recipe_result": null,
     "status_code": 1
   }
 ]