Format 2

Author: mrober

firebase-crashlytics/src/main/java/com/google/firebase/crashlytics/internal/common/Utils.java

@@ -20,7 +20,6 @@
 import com.google.android.gms.tasks.Task;
 import com.google.android.gms.tasks.TaskCompletionSource;
 import com.google.errorprone.annotations.CanIgnoreReturnValue;
-import java.util.concurrent.Callable;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.Executor;