Reland of Split iOS sdk in to separate targets

tools_webrtc/ios/build_ios_libs.py

 #!/usr/bin/env python
 
 # Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
@@ skipping 102 matching lines @@
                  ('true' if libvpx_build_vp9 else 'false'))
 
   gn_args.append('enable_ios_bitcode=' +
                  ('true' if use_bitcode else 'false'))
   gn_args.append('use_goma=' + ('true' if use_goma else 'false'))
 
   # Generate static or dynamic.
   if build_type == 'static_only':
     gn_target_name = 'rtc_sdk_objc'
   elif build_type == 'framework':
-    gn_target_name = 'rtc_sdk_framework_objc'
+    gn_target_name = 'objc_framework'
     if not use_bitcode:
       gn_args.append('enable_dsyms=true')
     gn_args.append('enable_stripping=true')
   else:
     raise ValueError('Build type "%s" is not supported.' % build_type)
 
   args_string = ' '.join(gn_args + extra_gn_args)
   logging.info('Building WebRTC with args: %s', args_string)
 
   cmd = ['gn', 'gen', output_dir, '--args=' + args_string]
@@ skipping 110 matching lines @@
            'Set :CFBundleVersion ' + version_number, infoplist_path]
     _RunCommand(cmd)
     _RunCommand(['plutil', '-convert', 'binary1', infoplist_path])
 
   logging.info('Done.')
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())