Update other-requirements.txt

Add chromium-browser which is used for testing by the experimental
patch.

Update entries for xenial.

Mark some packages as only needed during test setup. This needs bindep
2.0 to work.

Change-Id: Ieca8577f6900d1ab6e74d6116afffc7f7c00cc73

other-requirements.txt

@@ -1,22 +1,23 @@
 # This is a cross-platform list tracking distribution packages needed by tests;
 # see http://docs.openstack.org/infra/bindep/ for additional information.
 
-apt-transport-https
+apt-transport-https [platform:dpkg test]
 build-essential [platform:dpkg]
+chromium-browser [platform:dpkg test]
 curl
 cyrus-sasl-devel [platform:rpm]
 dbus
-firefox [!platform:debian]
+firefox [!platform:debian test]
 gawk
-gettext
-iceweasel [platform:debian]
+gettext [test]
+iceweasel [platform:debian test]
 language-pack-en [platform:ubuntu]
 libcurl-devel [platform:rpm]
 libcurl4-gnutls-dev [platform:dpkg]
 libmysqlclient-dev [platform:dpkg]
 libpq-dev [platform:dpkg]
 locales [platform:debian]
-lsb-release
+lsb-release [test]
 mariadb [platform:rpm]
 mariadb-devel [platform:rpm]
 mariadb-server [platform:rpm]
@@ -33,16 +34,17 @@ python-dev [platform:dpkg]
 python-devel [platform:rpm]
 python-lxml
 python-zmq
-python3-all-dev [platform:ubuntu-trusty]
+python3-all-dev [platform:ubuntu !platform:ubuntu-precise]
 python3-dev [platform:dpkg]
 python3-devel [platform:fedora]
 python3.4 [platform:ubuntu-trusty]
+python3.5 [platform:ubuntu-xenial]
 python34-devel [platform:centos]
 sqlite [platform:rpm]
 sqlite-devel [platform:rpm]
 sqlite3 [platform:dpkg]
 uuid-dev [platform:dpkg]
-xorg-x11-server-Xvfb [platform:rpm]
-xvfb [platform:dpkg]
+xorg-x11-server-Xvfb [platform:rpm test]
+xvfb [platform:dpkg test]
 zlib-devel [platform:rpm]
 zlib1g-dev [platform:dpkg]