Fix lint and compilation issue

Author: jamesnrokt

android-core/src/test/kotlin/com/mparticle/RoktTest.kt

@@ -23,8 +23,8 @@ import org.mockito.MockitoAnnotations
 import org.powermock.core.classloader.annotations.PrepareForTest
 import org.powermock.modules.junit4.PowerMockRunner
 import java.lang.ref.WeakReference
-import kotlin.test.assertNull
 import kotlin.test.assertEquals
+import kotlin.test.assertNull
 import kotlin.test.assertTrue
 
 @RunWith(PowerMockRunner::class)

android-kit-base/src/test/kotlin/com/mparticle/kits/KitManagerImplTest.kt

@@ -2292,6 +2292,15 @@ class KitManagerImplTest {
         override fun close() {
             Logger.info("close called")
         }
+
+        override fun setSessionId(sessionId: String) {
+            Logger.info("setSessionId called with $sessionId")
+        }
+
+        override fun getSessionId(): String? {
+            Logger.info("getSessionId called")
+            return null
+        }
     }
 
     internal inner class KitManagerEventCounter : MockKitManagerImpl() {