fix(flags): apply ktlint import order

Author: leoromanovsky

features/dd-sdk-android-flags/src/test/kotlin/com/datadog/android/flags/internal/ExposureEventsProcessorTest.kt

@@ -32,8 +32,8 @@ import org.mockito.kotlin.doReturn
 import org.mockito.kotlin.times
 import org.mockito.kotlin.verify
 import org.mockito.kotlin.whenever
-import java.util.concurrent.CountDownLatch
 import java.util.concurrent.CopyOnWriteArrayList
+import java.util.concurrent.CountDownLatch
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicInteger