Format some imports using fix_imports.py

Unfortunately this tool isn't smart enough to deal with the assertThat
situation (which has two static imports of a function with the same name).

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=172000753

java/google/registry/keyring/api/DummyKeyringModule.java

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 package google.registry.keyring.api;
+
 import static com.google.common.io.Resources.getResource;
 import static google.registry.keyring.api.PgpHelper.KeyRequirement.ENCRYPT_SIGN;
 import static google.registry.keyring.api.PgpHelper.lookupKeyPair;