Turn on output filtering for Xcode 4.x and 5.x.
Turn on output filtering for Xcode 4.x and 5.x.

The output format hasn't changed since 3.2 as far as I can tell.

This will hopefully make the build output of
http://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Mac/
a bit smaller than 75MB.

Review URL: https://chromiumcodereview.appspot.com/18725002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@210228 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build