Add first java source code and gyp/ant changes to build java code.
Introduce the first java source for chrome on android to base/android/java.
Also add new target to build the java source in the directory. Currently
there is a dummy java file called DeleteStaging.java that should be replaced
when real base java source code is upstreamed. This will be the java files
from this patch: https://chromiumcodereview.appspot.com/
9443018/. The
DeleteStaging.java file should be removed once real java code is checked in.
BUG=
TEST=
Review URL: http://codereview.chromium.org/
9514018
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@124134 0039d316-1c4b-4281-b951-d872f2087c98