apache2: rename apache2_test_config => apache2_test_config_and_restart

The current name is misleading, because it does not communicate the fact that a
successful config test will lead to an Apache 2 restart.

Change-Id: Idcce8723d83b2a0fc231c005d94c6a099ab484a2
Merge "apache2: rename apache2_test_config => apache2_test_config_and_restart" into production