Expose PolicyService through API package

Change-Id: I2166e14a0dd256b3f8ab680c8f2ad59cce8a3678
diff --git a/web/pom.xml b/web/pom.xml
index 1cf8ee1..910e5f1 100644
--- a/web/pom.xml
+++ b/web/pom.xml
@@ -42,13 +42,19 @@
     </properties>
 
     <dependencies>
-        <!-- Trellis impl -->
+        <!-- Trellis -->
         <dependency>
             <groupId>org.onosproject</groupId>
             <artifactId>segmentrouting-impl</artifactId>
             <version>${project.parent.version}</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>segmentrouting-api</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>provided</scope>
+        </dependency>
 
         <!-- ONOS core -->
         <dependency>