Tell _incremental targets to fail fast when load_library_from_apk=true

build/android/incremental_install/installer.py

 #!/usr/bin/env python
 #
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Install *_incremental.apk targets as well as their dependent files."""
 
 import argparse
 import glob
@@ skipping 244 matching lines @@
   parser.add_argument('--no-cache',
                       action='store_false',
                       default=True,
                       dest='cache',
                       help='Do not use cached information about what files are '
                            'currently on the target device.')
   parser.add_argument('--show-proguard-warning',
                       action='store_true',
                       default=False,
                       help='Print a warning about proguard being disabled')
+  parser.add_argument('--dont-even-try',
+                      help='Prints this message and exits.')
   parser.add_argument('-v',
                       '--verbose',
                       dest='verbose_count',
                       default=0,
                       action='count',
                       help='Verbose level (multiple times for more)')
 
   args = parser.parse_args()
 
   run_tests_helper.SetLogLevel(args.verbose_count)
   constants.SetBuildType('Debug')
   if args.output_directory:
     constants.SetOutputDirectory(args.output_directory)
 
   devil_chromium.Initialize(output_directory=constants.GetOutDirectory())
 
+  if args.dont_even_try:
+    logging.fatal(args.dont_even_try)
+    return 1
+
   if args.device:
     # Retries are annoying when commands fail for legitimate reasons. Might want
     # to enable them if this is ever used on bots though.
     device = device_utils.DeviceUtils(
         args.device, default_retries=0, enable_device_files_cache=True)
   else:
     devices = device_utils.DeviceUtils.HealthyDevices(
         default_retries=0, enable_device_files_cache=True)
     if not devices:
       raise device_errors.NoDevicesError()
@@ skipping 14 matching lines @@
     Uninstall(device, apk.GetPackageName(), enable_device_cache=args.cache)
   else:
     Install(device, apk, split_globs=args.splits, native_libs=args.native_libs,
             dex_files=args.dex_files, enable_device_cache=args.cache,
             use_concurrency=args.threading,
             show_proguard_warning=args.show_proguard_warning)
 
 
 if __name__ == '__main__':
   sys.exit(main())