Make generated bin/install_incremental_* script remember its own CHROMIUM_OUTPUT_DIR

build/android/incremental_install.py

Index: build/android/incremental_install.py
diff --git a/build/android/incremental_install.py b/build/android/incremental_install.py
index d1581b513ace87f97c00163b010d3846baf92d46..d88a04d6d7680bcc2419e631af7a71d2608c2c69 100755
--- a/build/android/incremental_install.py
+++ b/build/android/incremental_install.py
@@ -39,6 +39,8 @@ def main():
                       action='store_true',
                       default=False,
                       help='Remove the app and all side-loaded files.')
+  parser.add_argument('--output-directory',
+                      help='Path to the root build directory.')
   parser.add_argument('--no-threading',
                       action='store_true',
                       default=False,
@@ -55,6 +57,8 @@ def main():
   logging.basicConfig(format='%(asctime)s (%(thread)d) %(message)s')
   run_tests_helper.SetLogLevel(args.verbose_count)
   constants.SetBuildType('Debug')
+  if args.output_directory:
+    constants.SetOutputDirectory(args.output_directory)
 
   if args.device:
     # Retries are annoying when commands fail for legitimate reasons. Might want