This makes all temporary work be done in temporary directories.
This change is particularly helpful for 2 reasons: first, it makes it
more difficult to accidentally include stale, unwanted files during an
incremental build. Second, it is easier to trigger dependent actions
(zip file timestamps should be updated when their contents change, while
the same is not true for directories).
Makes the output of build/java_strings_grd.gypi be a zipfile containing
the resources.
BUG=359249,375431
Review URL: https://codereview.chromium.org/321463002
git-svn-id: http://src.chromium.org/svn/trunk/src/build@276226 4ff67af0-8c30-449e-8e8b-ad334ec8d88c