Enable file path watcher for Android

base/base.gypi

Index: base/base.gypi
diff --git a/base/base.gypi b/base/base.gypi
index 7d2544443c8e65f0fe06143cdd484c33225ac2c4..b2adfb3f1aac914e7a3b09df8507b92474c31883 100644
--- a/base/base.gypi
+++ b/base/base.gypi
@@ -575,6 +575,7 @@
             'sources!': [
               'base_paths_posix.cc',
               'files/file_path_watcher_kqueue.cc',
+              'files/file_path_watcher_stub.cc',
               'system_monitor/system_monitor_posix.cc',
             ],
             'sources/': [
@@ -582,6 +583,7 @@
               ['include', '^sys_info_linux\\.cc$'],
               ['include', '^sys_string_conversions_posix\\.cc$'],
               ['include', '^worker_pool_linux\\.cc$'],
+              ['include', '^files/file_path_watcher_linux\\.cc$'],

[Mattias Nissler (ping if slow), 2012/08/27 12:53:02]

alphabetize

             ],
           }],
           ['OS == "ios"', {