Add -bootclasspath argument to javac.

build/java_apk.gypi

 # Copyright (c) 2012 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.
 
 # This file is meant to be included into a target to provide a rule
 # to build Android APKs in a consistent manner.
 #
 # To use this, create a gyp target with the following form:
 # {
 #   'target_name': 'my_package_apk',
@@ skipping 842 matching lines @@
         ['native_lib_target != ""', {
           'inputs': [ '<(native_libraries_java_stamp)' ],
         }],
       ],
       'outputs': [
         '<(compile_stamp)',
         '<(javac_jar_path)',
       ],
       'action': [
         'python', '<(DEPTH)/build/android/gyp/javac.py',
+        '--bootclasspath=<(android_sdk_jar)',
         '--classpath=>(input_jars_paths) <(android_sdk_jar)',
         '--src-gendirs=>(gen_src_dirs)',
         '--javac-includes=<(javac_includes)',
         '--chromium-code=<(chromium_code)',
         '--jar-path=<(javac_jar_path)',
         '--jar-excluded-classes=<(jar_excluded_classes)',
         '--stamp=<(compile_stamp)',
         '<@(extra_args)',
         '>@(java_sources)',
       ],
@@ skipping 180 matching lines @@
             'native_libs_dir': '<(apk_package_native_libs_dir)',
           }, {
             'native_libs_dir': '<(DEPTH)/build/android/ant/empty/res',
           }],
         ],
       },
       'includes': ['android/apkbuilder_action.gypi'],
     },
   ],
 }