user.eclass: localize $ACCOUNTS_DIRS

If this variable gets set in the global scope, it can break prebuilts
sharing between boards. Use a local variable and cache the result in
$T instead (which will be created everytime the package is built).

TEST=emerge chromeos-base
BUG=chromium:363404

Change-Id: I548f151e4c0ce20784bb3f7088c6902a9d44eba8
Reviewed-on: https://chromium-review.googlesource.com/194569
Reviewed-by: Michael Spang <spang@chromium.org>
Tested-by: Michael Spang <spang@chromium.org>
Commit-Queue: Michael Spang <spang@chromium.org>
1 file changed
tree: c77030ef016fa3696c4352977c2dcd76215c8b55
  1. eclass/
  2. metadata/
  3. profiles/