Do not use imports inside included task

It appears that usage of static imports is not allowed inside dynamicaly
included task. This results in ansible error which hasn't been catched
by CI for some reason.

Currently setup ends up with the following error for LXC deployments [1]

[1] http://paste.openstack.org/show/803922/

Change-Id: Id5081f204e168056c6588d21c71f5cf28afb214d

tasks/drivers/kvm/nova_compute_kvm.yml

@@ -13,9 +13,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-- import_tasks: nova_compute_kvm_install.yml
+- include_tasks: nova_compute_kvm_install.yml
+  args:
+    apply:
+      tags:
+        - nova-install
   tags:
-    - nova-install
+    - always
 
 - name: Check libvirtd version
   command: "libvirtd --version"
@@ -204,9 +208,13 @@
   tags:
     - always
 
-- import_tasks: nova_compute_kvm_virsh_net_remove.yml
+- include_tasks: nova_compute_kvm_virsh_net_remove.yml
+  args:
+    apply:
+      tags:
+        - nova-config
+        - nova-kvm
+        - nova-libvirt
+        - nova-kvm-virsh-net
   tags:
-    - nova-config
-    - nova-kvm
-    - nova-libvirt
-    - nova-kvm-virsh-net
+    - always