Fix wrong Nullable import

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I5d2919c46d5e5303fa0c5e7e447bfbc1e662cd5c

javatests/com/google/gerrit/plugins/codeowners/acceptance/testsuite/TestPathExpressionsTest.java

diff --git a/javatests/com/google/gerrit/plugins/codeowners/acceptance/testsuite/TestPathExpressionsTest.java b/javatests/com/google/gerrit/plugins/codeowners/acceptance/testsuite/TestPathExpressionsTest.java
index 0557da3..cd155ba 100644
--- a/javatests/com/google/gerrit/plugins/codeowners/acceptance/testsuite/TestPathExpressionsTest.java
+++ b/javatests/com/google/gerrit/plugins/codeowners/acceptance/testsuite/TestPathExpressionsTest.java
@@ -18,6 +18,7 @@
 import static com.google.gerrit.testing.GerritJUnit.assertThrows;
 
 import com.google.gerrit.acceptance.config.GerritConfig;
+import com.google.gerrit.common.Nullable;
 import com.google.gerrit.entities.Project.NameKey;
 import com.google.gerrit.extensions.registration.DynamicMap;
 import com.google.gerrit.extensions.registration.PrivateInternals_DynamicMapImpl;
@@ -33,7 +34,6 @@
 import com.google.inject.util.Providers;
 import java.nio.file.Path;
 import java.util.Optional;
-import javax.annotation.Nullable;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.revwalk.RevWalk;
 import org.junit.Before;