feat(android/sdk): fixed enterpictureinpicture method call

android/sdk/src/main/java/org/jitsi/meet/sdk/JitsiMeetActivity.java

@@ -294,8 +294,8 @@ public class JitsiMeetActivity extends AppCompatActivity
 
     @Override
     protected void onUserLeaveHint() {
-        if (this.jitsiView  != null) {
-            this.jitsiView .enterPictureInPicture();
+        if (this.jitsiView != null) {
+            this.jitsiView.enterPictureInPicture();
         }
     }