Remove build-type arg from Chromedriver tests.

scripts/slave/recipe_modules/chromedriver/example.expected/Android_ChromeDriver_basic.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "chromium.testing.master",
       "--builder",
       "Android ChromeDriver Tests Example",
@@ skipping 164 matching lines @@
     "cmd": [
       "xvfb-run",
       "-a",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/test/run_py_tests.py",
       "--chromedriver",
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_2/server_log",
       "--reference-chromedriver",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/third_party/java_tests/reference_builds/chromedriver_linux64",
-      "--build-type",
-      "Release",
       "--android-package",
       "chrome_shell"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
     "name": "python_tests(chrome_shell)"
   },
   {
     "cmd": [
@@ skipping 23 matching lines @@
   },
   {
     "cmd": [
       "xvfb-run",
       "-a",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/test/run_java_tests.py",
       "--chromedriver",
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_3/server_log",
-      "--build-type",
-      "Release",
       "--verbose",
       "--android-package",
       "chrome_shell"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
     "name": "java_tests(chrome_shell)"
   },
   {
@@ skipping 26 matching lines @@
     "cmd": [
       "xvfb-run",
       "-a",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/test/run_py_tests.py",
       "--chromedriver",
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_4/server_log",
       "--reference-chromedriver",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/third_party/java_tests/reference_builds/chromedriver_linux64",
-      "--build-type",
-      "Release",
       "--android-package",
       "chrome_stable"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
     "name": "python_tests(chrome_stable)"
   },
   {
     "cmd": [
@@ skipping 23 matching lines @@
   },
   {
     "cmd": [
       "xvfb-run",
       "-a",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/test/run_java_tests.py",
       "--chromedriver",
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_5/server_log",
-      "--build-type",
-      "Release",
       "--verbose",
       "--android-package",
       "chrome_stable"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
     "name": "java_tests(chrome_stable)"
   },
   {
@@ skipping 26 matching lines @@
     "cmd": [
       "xvfb-run",
       "-a",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/test/run_py_tests.py",
       "--chromedriver",
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_6/server_log",
       "--reference-chromedriver",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/third_party/java_tests/reference_builds/chromedriver_linux64",
-      "--build-type",
-      "Release",
       "--android-package",
       "chrome_beta"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
     "name": "python_tests(chrome_beta)"
   },
   {
     "cmd": [
@@ skipping 23 matching lines @@
   },
   {
     "cmd": [
       "xvfb-run",
       "-a",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/test/run_java_tests.py",
       "--chromedriver",
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_7/server_log",
-      "--build-type",
-      "Release",
       "--verbose",
       "--android-package",
       "chrome_beta"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
     "name": "java_tests(chrome_beta)"
   },
   {
@@ skipping 26 matching lines @@
     "cmd": [
       "xvfb-run",
       "-a",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/test/run_py_tests.py",
       "--chromedriver",
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_8/server_log",
       "--reference-chromedriver",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/third_party/java_tests/reference_builds/chromedriver_linux64",
-      "--build-type",
-      "Release",
       "--android-package",
       "chromedriver_webview_shell"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
     "name": "python_tests(chromedriver_webview_shell)"
   },
   {
     "cmd": [
@@ skipping 23 matching lines @@
   },
   {
     "cmd": [
       "xvfb-run",
       "-a",
       "[SLAVE_BUILD]/src/chrome/test/chromedriver/test/run_java_tests.py",
       "--chromedriver",
       "[SLAVE_BUILD]/src/out/Release/chromedriver",
       "--log-path",
       "[TMP_BASE]/server_log_tmp_9/server_log",
-      "--build-type",
-      "Release",
       "--verbose",
       "--android-package",
       "chromedriver_webview_shell"
     ],
     "env": {
       "PATH": "%(PATH)s:[SLAVE_BUILD]/src/chrome/test/chromedriver/chrome"
     },
     "name": "java_tests(chromedriver_webview_shell)"
   },
   {
@@ skipping 130 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@  chromium_utils.RemoveDirectory(sys.argv[1])@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]