Modify install script for java/ant based on trying on first upstream bot.
Modify install script for java/ant based on trying on first upstream bot.

Upstream bots had errors installing from debian packages.  I changed to download
and install the same packages with sudo apt-get.  Tested locally and on the
upstream bot, and it seems to work.  Need to test on "fresh" bot with no java
or ant already installed.

BUG=http://code.google.com/p/chromium/issues/detail?id=117023

TEST=


Review URL: http://codereview.chromium.org/9655010

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@126604 0039d316-1c4b-4281-b951-d872f2087c98

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