Make generated bin/install_incremental_* script remember its own CHROMIUM_OUTPUT_DIR

build/android/gn/create_incremental_install_script.py

Index: build/android/gn/create_incremental_install_script.py
diff --git a/build/android/gn/create_incremental_install_script.py b/build/android/gn/create_incremental_install_script.py
index f12f9e5dc3d594156a57ccd127efc52b3e4e4f16..dd9e0d6cc77e43d6306f891a8872368ee88c6fc7 100755
--- a/build/android/gn/create_incremental_install_script.py
+++ b/build/android/gn/create_incremental_install_script.py
@@ -54,6 +54,9 @@ def main(args):
   parser.add_argument('--script-output-path',
                       help='Output path for executable script.',
                       required=True)
+  parser.add_argument('--output-directory',
+                      help='Path to the root build directory.',
+                      default='.')
   parser.add_argument('--apk-path',
                       help='Path to the .apk to install.',
                       required=True)
@@ -76,6 +79,7 @@ def main(args):
   incremental_install_path = relativize(incremental_install_path)
 
   incremental_install_path_args = [
+      ('--output-directory', relativize(options.output_directory)),
       (None, relativize(options.apk_path)),
   ]
   if options.lib_dir: