[android] Bump dependencies

Signed-off-by: Jean-Baptiste Charron <jeanbaptiste.charron@outlook.fr>

android/app/src/main/java/org/chromium/base/ObserverList.java

@@ -12,8 +12,6 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.NoSuchElementException;
 
-import javax.annotation.concurrent.NotThreadSafe;
-
 /**
  * A container for a list of observers.
  * <p/>
@@ -31,7 +29,6 @@ import javax.annotation.concurrent.NotThreadSafe;
  *
  * @param <E> The type of observers that this list should hold.
  */
-@NotThreadSafe
 public class ObserverList<E> implements Iterable<E> {
     /** Extended iterator interface that provides rewind functionality. */
     public interface RewindableIterator<E> extends Iterator<E> {