🏆 Allow Android test wrapper scripts to specify their timeouts in GN/GYP

build/android/test_runner.gypi

Index: build/android/test_runner.gypi
diff --git a/build/android/test_runner.gypi b/build/android/test_runner.gypi
index 50e3ffa10d0ef5e0f1e39ce0cd7e505fece9b66f..5127e2a54a70fef6293166971984c24121eb76a5 100644
--- a/build/android/test_runner.gypi
+++ b/build/android/test_runner.gypi
@@ -43,6 +43,7 @@
     'variables': {
       'additional_apks%': [],
       'isolate_file%': '',
+      'shard_timeout%': '',
       'test_runner_path%': '',
     },
     'test_runner_args': ['--output-directory', '<(PRODUCT_DIR)'],
@@ -75,6 +76,9 @@
       ['isolate_file != ""', {
         'test_runner_args': ['--isolate-file-path', '<(isolate_file)']
       }],
+      ['shard_timeout != ""', {
+        'test_runner_args': ['--shard-timeout', '<(shard_timeout)']
+      }],
       ['test_runner_path != ""', {
         'test_runner_args': ['--test-runner-path', '<(test_runner_path)']
       }],