Fix path for Android build dir in sizes.py
Fix path for Android build dir in sizes.py

BUG=159848


Review URL: https://chromiumcodereview.appspot.com/11316033

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@168244 0039d316-1c4b-4281-b951-d872f2087c98

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